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| 19-3948; Rev 0; 1/06 ILABLE N KIT AVA VALUATIO E High-Linearity, 1700MHz to 3000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch General Description The MAX2041 high-linearity passive upconverter or downconverter mixer is designed to provide 7.4dB NF and a 7.2dB conversion loss for an RF frequency range of 1700MHz to 3000MHz to support UMTS/WCDMA, DCS, PCS, and WiMAX base-station transmitter or receiver applications. The IIP3 is typically +33.5dBm for both downconversion and upconversion operation. With an LO frequency range of 1900MHz to 3000MHz, this particular mixer is ideal for high-side LO injection architectures. (For a pin-compatible mixer meant for low-side LO injection, refer to the MAX2039.) In addition to offering excellent linearity and noise performance, the MAX2041 also yields a high level of component integration. This device includes a double-balanced passive mixer core, a dual-input LO selectable switch, and an LO buffer. On-chip baluns are also integrated to allow for a single-ended RF input for downconversion (or RF output for upconversion), and single-ended LO inputs. The MAX2041 requires a nominal LO drive of 0dBm, and supply current is guaranteed to be below 145mA. The MAX2041 is pin compatible with the MAX2031 815MHz to 995MHz mixer, making this family of passive upconverters and downconverters ideal for applications where a common PC board layout is used for both frequency bands. The MAX2041 is available in a compact 20-pin thin QFN package (5mm x 5mm) with an exposed paddle. Electrical performance is guaranteed over the extended -40C to +85C temperature range. Features o 1700MHz to 3000MHz RF Frequency Range o 1900MHz to 3000MHz LO Frequency Range o 1500MHz to 2000MHz LO Frequency Range (MAX2039) o DC to 350MHz IF Frequency Range o 7.2dB Conversion Loss o +33.5dBm Input IP3 o o o o o +23.3dBm Input 1dB Compression Point 7.4dB Noise Figure Integrated LO Buffer Integrated RF and LO Baluns Low -3dBm to +3dBm LO Drive MAX2041 o Built-In SPDT LO Switch with 43dB LO1 to LO2 Isolation and 50ns Switching Time o Pin Compatible with the MAX2031 815MHz to 995MHz Mixer o External Current-Setting Resistor Provides Option for Operating Mixer in Reduced-Power/ReducedPerformance Mode o Lead-Free Package Available Ordering Information PART TEMP RANGE PIN-PACKAGE PKG CODE Applications UMTS/WCDMA Base Stations DCS 1800/PCS 1900 EDGE Base Stations cdmaOneTM and cdma2000(R) Base Stations WiMAX Base Stations and Customer Premise Equipment PHS/PAS Base Stations Predistortion Receivers Fixed Broadband Wireless Access Wireless Local Loop Private Mobile Radio Military Systems Microwave Links Digital and Spread-Spectrum Communication Systems cdmaOne is a trademark of CDMA Development Group. cdma2000 is a registered trademark of Telecommunications Industry Association. MAX2041ETP 20 Thin QFN-EP* -40C to +85C (5mm x 5mm) T2055-3 bulk 20 Thin QFN-EP* -40C to +85C (5mm x 5mm) T2055-3 T/R 20 Thin QFN-EP* (5mm x 5mm) -40C to +85C T2055-3 lead-free bulk 20 Thin QFN-EP* (5mm x 5mm) -40C to +85C T2055-3 lead-free T/R MAX2041ETP-T MAX2041ETP+ MAX2041ETP+T *EP = Exposed paddle. T = Tape-and-reel package. + = Lead free. Pin Configuration and Typical Application Circuit appear at end of data sheet. 1 ________________________________________________________________ Maxim Integrated Products For pricing delivery, and ordering information please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com. High-Linearity, 1700MHz to 3000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch MAX2041 ABSOLUTE MAXIMUM RATINGS VCC to GND ...........................................................-0.3V to +5.5V TAP, LOBIAS, LOSEL to GND ....................-0.3V to (VCC + 0.3V) LO1, LO2, IF+, IF- to GND ....................................-0.3V to +0.3V IF, LO1, LO2 Input Power...............................................+15dBm RF Input Power .................................................................20dBm RF (RF is DC shorted to GND through a balun) .................50mA Continuous Power Dissipation (TA = +70C) 20-Pin QFN-EP (derated 20mW/C above +70C) ..........2.2W JA .................................................................................+33C/W JC ...................................................................................+8C/W Operating Temperature Range (Note A) ....TC = -40C to +85C Junction Temperature ......................................................+150C Storage Temperature Range .............................-65C to +165C Lead Temperature (soldering, 10s) .................................+300C Note A: TC is the temperature on the exposed paddle of the package. Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. DC ELECTRICAL CHARACTERISTICS (MAX2041 Typical Application Circuit, VCC = +4.75V to +5.25V, no RF signals applied, IF+ and IF- DC grounded through a transformer, TC = -40C to +85C. Typical values are at VCC = +5V, TC = +25C, unless otherwise noted.) PARAMETER Supply Voltage Supply Current LO_SEL Input Logic Low LO_SEL Input Logic High SYMBOL VCC ICC VIL VIH 2 CONDITIONS MIN 4.75 TYP 5.00 104 MAX 5.25 145 0.8 UNITS V mA V V AC ELECTRICAL CHARACTERISTICS (DOWNCONVERTER OPERATION) (MAX2041 Typical Application Circuit, VCC = +4.75V to +5.25V, RF and LO ports are driven from 50 sources, PLO = -3dBm to +3dBm, PRF = 0dBm, fRF = 1700MHz to 3000MHz, fLO = 1900MHz to 3000MHz, fIF = 200MHz, fLO > fRF, TC = -40C to +85C, unless otherwise noted. Typical values are at VCC = +5V, PRF = 0dBm, PLO = 0dBm, fRF = 1900MHz, fLO = 2100MHz, fIF = 200MHz, TC = +25C, unless otherwise noted.) (Note 1) PARAMETER RF Frequency Range LO Frequency Range IF Frequency Range Conversion Loss Loss Variation Over Temperature Input Compression Point P1dB SYMBOL fRF fLO fIF LC MAX2041 MAX2039 External IF transformer dependent PRF < +2dBm TC = -40C to +85C (Note 2) Two tones: fRF1 = 1900MHz, fRF2 = 1901MHz, PRF = 0dBm/tone, fLO = 2100MHz, PLO = 0dBm TC = -40C to +85C NF Single sideband PRF = 5dBm, fRF = 2000MHz, fLO = 2190MHz, fBLOCK = 2100MHz (Note 3) CONDITIONS MIN 1700 1900 1500 DC 7.2 0.0075 23.3 TYP MAX 3000 3000 2000 350 UNITS MHz MHz MHz dB dB/C dBm Input Third-Order Intercept Point IIP3 33.5 dBm Input IP3 Variation Over Temperature Noise Figure Noise Figure Under-Blocking 0.75 7.4 19 dB dB dB 2 _______________________________________________________________________________________ High-Linearity, 1700MHz to 3000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch AC ELECTRICAL CHARACTERISTICS (DOWNCONVERTER OPERATION) (continued) (MAX2041 Typical Application Circuit, VCC = +4.75V to +5.25V, RF and LO ports are driven from 50 sources, PLO = -3dBm to +3dBm, PRF = 0dBm, fRF = 1700MHz to 3000MHz, fLO = 1900MHz to 3000MHz, fIF = 200MHz, fLO > fRF, TC = -40C to +85C, unless otherwise noted. Typical values are at VCC = +5V, PRF = 0dBm, PLO = 0dBm, fRF = 1900MHz, fLO = 2100MHz, fIF = 200MHz, TC = +25C, unless otherwise noted.) (Note 1) PARAMETER LO Drive Spurious Response at IF LO1 to LO2 Isolation Maximum LO Leakage at RF Port Maximum LO Leakage at IF Port Minimum RF-to-IF Isolation LO Switching Time RF Port Return Loss LO Port Return Loss IF Port Return Loss LO port selected, LO and IF terminated LO port unselected, LO and IF terminated LO driven at 0dBm, RF terminated into 50 50% of LOSEL to IF settled to within 2 2x2 3x3 2LO - 2RF, PRF = 0dBm 3LO - 3RF, PRF = 0dBm LO2 selected, 1900MHz < fLO < 2100MHz LO1 selected, 1900MHz < fLO < 2100MHz PLO = +3dBm (Note 4) PLO = +3dBm SYMBOL CONDITIONS MIN -3 63 69 49 43 -18.5 -30 35 50 18 16 26 20 TYP MAX +3 UNITS dBm dBc dB dBm dBm dB ns dB dB dB MAX2041 AC ELECTRICAL CHARACTERISTICS (UPCONVERTER OPERATION) (MAX2041 Typical Application Circuit, VCC = +4.75V to +5.25V, PLO = -3dBm to +3dBm, PIF = 0dBm, fRF = 1700MHz to 3000MHz, fLO = 1900MHz to 3000MHz, fIF = 200MHz, fRF = fLO - fIF, TC = -40C to +85C, unless otherwise noted. Typical values are at VCC = +5V, PIF = 0dBm, PLO = 0dBm, fRF = 1900MHz, fLO = 2100MHz, fIF = 200MHz, TC = +25C, unless otherwise noted.) (Note 1) PARAMETER Input Compression Point SYMBOL P1dB (Note 2) Two tones: fIF1 = 200MHz, fIF2 = 201MHz, PIF = 0dBm/tone, fLO = 1900MHz, PLO = 0dBm LO - 2IF LO + 2IF LO - 3IF LO + 3IF POUT = 0dBm CONDITIONS MIN TYP 23.3 MAX UNITS dBm Input Third-Order Intercept Point IIP3 33.5 dBm LO 2IF Spur LO 3IF Spur Output Noise Floor 67 65 75 72 -160 dBc dBc dBm/ Hz Note 1: All limits include external component losses. Output measurements taken at IF port for downconverter and RF port for upconverter from the Typical Application Circuit. Note 2: Compression point characterized. It is advisable not to continuously operate the mixer RF or IF input above +15dBm. Note 3: Measured with external LO source noise filtered so the noise floor is -174dBm/Hz. This specification reflects the effects of all SNR degradations in the mixer, including the LO noise as defined in Maxim Application Note 2021. Note 4: Refer to the MAX2043 for improved LO leakage of -52dBm typical. _______________________________________________________________________________________ 3 High-Linearity, 1700MHz to 3000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch MAX2041 Typical Operating Characteristics (MAX2041 Typical Application Circuit, VCC = +5.0V, PLO = 0dBm, PRF = 0dBm, fLO > fRF , fIF = 200MHz, R1 = 549, unless otherwise noted.) Downconverter Curves CONVERSION LOSS vs. RF FREQUENCY MAX2041 toc01 CONVERSION LOSS vs. RF FREQUENCY MAX2041 toc02 CONVERSION LOSS vs. RF FREQUENCY MAX2041 toc03 9 TC = +85C 8 CONVERSION LOSS (dB) 9 9 8 CONVERSION LOSS (dB) 8 CONVERSION LOSS (dB) 7 TC = +25C TC = -40C 5 7 PLO = -3dBm, 0dBm, +3dBm 6 7 VCC = 4.75V, 5.0V, 5.25V 6 6 5 4 1500 1700 1900 2100 2300 1500 1700 1900 2100 2300 RF FREQUENCY (MHz) RF FREQUENCY (MHz) 5 4 1500 1700 1900 2100 2300 RF FREQUENCY (MHz) 4 INPUT IP3 vs. RF FREQUENCY MAX2041 toc04 INPUT IP3 vs. RF FREQUENCY MAX2041 toc05 INPUT IP3 vs. RF FREQUENCY MAX2041 toc06 39 TC = +25C 37 35 33 31 TC = -40C 29 27 25 1500 1700 1900 2100 TC = +85C 39 37 35 33 PLO = -3dBm 31 PLO = +3dBm 29 27 25 PLO = 0dBm 39 37 VCC = 5.25V INPUT IP3 (dBm) 35 33 31 VCC = 5.0V 29 27 25 VCC = 4.75V INPUT IP3 (dBm) INPUT IP3 (dBm) 2300 1500 1700 1900 2100 2300 1500 1700 1900 2100 2300 RF FREQUENCY (MHz) RF FREQUENCY (MHz) RF FREQUENCY (MHz) NOISE FIGURE vs. RF FREQUENCY MAX2041 toc07 NOISE FIGURE vs. RF FREQUENCY MAX2041 toc08 NOISE FIGURE vs. RF FREQUENCY MAX2041 toc09 10 TC = +85C 10 PLO = -3dBm 10 9 NOISE FIGURE (dB) 9 NOISE FIGURE (dB) 9 NOISE FIGURE (dB) 8 8 8 7 TC = +25C 6 TC = -40C 5 1600 1750 1900 2050 2200 2350 2500 RF FREQUENCY (MHz) 7 PLO = 0dBm, +3dBm 7 VCC = 4.75V, 5.0V, 5.25V 6 6 5 1600 1750 1900 2050 2200 2350 2500 RF FREQUENCY (MHz) 5 1600 1750 1900 2050 2200 2350 2500 RF FREQUENCY (MHz) 4 _______________________________________________________________________________________ High-Linearity, 1700MHz to 3000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch MAX2041 Typical Operating Characteristics (continued) (MAX2041 Typical Application Circuit, VCC = +5.0V, PLO = 0dBm, PRF = 0dBm, fLO > fRF , fIF = 200MHz, R1 = 549, unless otherwise noted.) Downconverter Curves 2LO - 2RF RESPONSE vs. RF FREQUENCY (LO1 SELECTED) MAX2041 toc10 2LO - 2RF RESPONSE vs. RF FREQUENCY (LO1 SELECTED) MAX2041 toc11 2LO - 2RF RESPONSE vs. RF FREQUENCY (LO1 SELECTED) PRF = 0dBm VCC = 5.25V MAX2041 toc12 MAX2041 toc18 MAX2041 toc15 80 75 2LO - 2RF RESPONSE (dBc) 70 65 60 55 50 45 1500 1700 1900 TC = -40C TC = +85C PRF = 0dBm 80 75 2LO - 2RF RESPONSE (dBc) 70 65 60 55 PLO = 0dBm PRF = 0dBm PLO = -3dBm 80 75 2LO - 2RF RESPONSE (dBc) 70 65 60 55 VCC = 4.75V 50 45 TC = +25C PLO = +3dBm 50 45 2100 2300 1500 1700 1900 2100 2300 VCC = 5.0V 1500 1700 1900 2100 2300 FUNDAMENTAL RF FREQUENCY (MHz) FUNDAMENTAL RF FREQUENCY (MHz) FUNDAMENTAL RF FREQUENCY (MHz) 2LO - 2RF RESPONSE vs. RF FREQUENCY (LO2 SELECTED) MAX2041 toc13 2LO - 2RF RESPONSE vs. RF FREQUENCY (LO2 SELECTED) PRF = 0dBm PLO = -3dBm MAX2041 toc14 2LO - 2RF RESPONSE vs. RF FREQUENCY (LO2 SELECTED) 85 80 2LO - 2RF RESPONSE (dBc) 75 70 65 60 VCC = 4.75V 55 50 45 VCC = 5.0V VCC = 5.25V PRF = 0dBm 85 80 2LO - 2RF RESPONSE (dBc) 75 70 65 60 55 50 45 1500 1700 1900 TC = -40C PRF = 0dBm 85 80 2LO - 2RF RESPONSE (dBc) 75 70 65 60 55 50 45 PLO = +3dBm TC = +85C TC = +25C PLO = 0dBm 2100 2300 1500 1700 1900 2100 2300 1500 1700 1900 2100 2300 FUNDAMENTAL RF FREQUENCY (MHz) FUNDAMENTAL RF FREQUENCY (MHz) FUNDAMENTAL RF FREQUENCY (MHz) 3LO - 3RF RESPONSE vs. RF FREQUENCY MAX2041 toc16 3LO - 3RF RESPONSE vs. RF FREQUENCY MAX2041 toc17 3LO - 3RF RESPONSE vs. RF FREQUENCY 85 80 3LO - 3RF RESPONSE (dBc) 75 70 65 60 55 50 45 VCC = 5.0V VCC = 4.75V VCC = 5.25V PRF = 0dBm 85 80 3LO - 3RF RESPONSE (dBc) 75 70 65 60 55 50 45 1500 1700 1900 TC = -40C TC = +85C TC = +25C PRF = 0dBm 85 PRF = 0dBm 80 3LO - 3RF RESPONSE (dBc) 75 70 65 60 55 50 45 1500 1700 1900 2100 PLO = -3dBm, 0dBm, +3dBm 2100 2300 2300 1500 1700 1900 2100 2300 FUNDAMENTAL RF FREQUENCY (MHz) FUNDAMENTAL RF FREQUENCY (MHz) FUNDAMENTAL RF FREQUENCY (MHz) _______________________________________________________________________________________ 5 High-Linearity, 1700MHz to 3000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch MAX2041 Typical Operating Characteristics (continued) (MAX2041 Typical Application Circuit, VCC = +5.0V, PLO = 0dBm, PRF = 0dBm, fLO > fRF , fIF = 200MHz, R1 = 549, unless otherwise noted.) Downconverter Curves INPUT P1dB vs. RF FREQUENCY MAX2041 toc19 INPUT P1dB vs. RF FREQUENCY MAX2041 toc20 INPUT P1dB vs. RF FREQUENCY 26 25 INPUT P1dB (dBm) 24 23 22 21 20 19 18 17 VCC = 4.75V VCC = 5.0V VCC = 5.25V MAX2041 toc21 27 26 25 INPUT P1dB (dBm) 24 23 22 21 20 19 18 17 1500 1700 1900 2100 TC = -40C TC = +85C TC = +25C 27 26 25 INPUT P1dB (dBm) 24 23 22 21 20 19 18 17 PLO = -3dBm PLO = 0dBm PLO = +3dBm 27 2300 1500 1700 1900 2100 2300 1500 1700 1900 2100 2300 RF FREQUENCY (MHz) RF FREQUENCY (MHz) RF FREQUENCY (MHz) LO SWITCH ISOLATION vs. LO FREQUENCY MAX2041 toc22 LO SWITCH ISOLATION vs. LO FREQUENCY MAX2041 toc23 LO SWITCH ISOLATION vs. LO FREQUENCY MAX2041 toc24 55 55 55 LO SWITCH ISOLATION (dB) LO SWITCH ISOLATION (dB) 50 TC = -40C 45 50 PLO = +3dBm 45 LO SWITCH ISOLATION (dB) 50 45 40 TC = +85C TC = +25C 40 PLO = -3dBm PLO = 0dBm 40 VCC = 4.75V, 5.0V, 5.25V 35 35 1500 1700 1900 2100 2300 2500 LO FREQUENCY (MHz) 35 1500 1700 1900 2100 2300 2500 LO FREQUENCY (MHz) 1500 1700 1900 2100 2300 2500 LO FREQUENCY (MHz) LO LEAKAGE AT IF PORT vs. LO FREQUENCY MAX2041 toc25 LO LEAKAGE AT IF PORT vs. LO FREQUENCY MAX2041 toc26 LO LEAKAGE AT IF PORT vs. LO FREQUENCY MAX2041 toc27 -10 -15 LO LEAKAGE (dBm) -20 -25 -30 -35 -40 -45 1700 TC = -40C TC = +85C TC = +25C -10 -15 LO LEAKAGE (dBm) -20 PLO = +3dBm -25 -30 -35 -40 -45 PLO = 0dBm PLO = -3dBm -10 -15 LO LEAKAGE (dBm) -20 -25 -30 -35 -40 -45 VCC = 5.0V VCC = 4.75V VCC = 5.25V 1900 2100 2300 2500 1700 1900 2100 2300 2500 1700 1900 2100 2300 2500 LO FREQUENCY (MHz) LO FREQUENCY (MHz) LO FREQUENCY (MHz) 6 _______________________________________________________________________________________ High-Linearity, 1700MHz to 3000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch MAX2041 Typical Operating Characteristics (continued) (MAX2041 Typical Application Circuit, VCC = +5.0V, PLO = 0dBm, PRF = 0dBm, fLO > fRF , fIF = 200MHz, R1 = 549, unless otherwise noted.) Downconverter Curves LO LEAKAGE AT RF PORT vs. LO FREQUENCY MAX2041 toc28 LO LEAKAGE AT RF PORT vs. LO FREQUENCY MAX2041 toc29 LO LEAKAGE AT RF PORT vs. LO FREQUENCY MAX2041 toc30 -10 TC = +85C LO LEAKAGE RF PORT (dBm) -15 -10 -10 LO LEAKAGE RF PORT (dBm) LO LEAKAGE RF PORT (dBm) -15 -15 VCC = 5.25V -20 TC = +25C -25 TC = -40C -20 PLO = -3dBm, 0dBm, +3dBm -25 -20 VCC = 5.0V VCC = 4.75V -25 -30 1500 1700 1900 2100 2300 2500 LO FREQUENCY (MHz) -30 1500 1700 1900 2100 2300 2500 LO FREQUENCY (MHz) -30 1500 1700 1900 2100 2300 2500 LO FREQUENCY (MHz) RF-TO-IF ISOLATION vs. RF FREQUENCY MAX2041 toc31 RF-TO-IF ISOLATION vs. RF FREQUENCY MAX2041 toc32 RF-TO-IF ISOLATION vs. RF FREQUENCY MAX2041 toc33 50 45 RF-TO-IF ISOLATION (dB) 40 35 TC = -40C 30 TC = +25C 25 20 1500 1700 1900 2100 TC = +85C 50 45 RF-TO-IF ISOLATION (dB) 40 35 30 PLO = -3dBm, 0dBm, +3dBm 25 20 50 45 40 35 30 VCC = 4.75V, 5.0V, 5.25V 25 20 2300 1500 1700 1900 2100 2300 RF-TO-IF ISOLATION (dB) 1500 1700 1900 2100 2300 RF FREQUENCY (MHz) RF FREQUENCY (MHz) RF FREQUENCY (MHz) RF PORT RETURN LOSS vs. RF FREQUENCY MAX2041 toc34 IF PORT RETURN LOSS vs. IF FREQUENCY 5 IF PORT RETURN LOSS (dB) 10 15 20 25 30 35 40 VCC = 4.75V, 5.0V, 5.25V MAX2041 toc35 0 5 RF PORT RETURN LOSS (dB) 10 15 20 25 30 35 40 1000 1500 2000 2500 PLO = -3dBm, 0dBm, +3dBm 0 45 50 3000 50 100 150 200 250 300 350 RF FREQUENCY (MHz) IF FREQUENCY (MHz) _______________________________________________________________________________________ 7 High-Linearity, 1700MHz to 3000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch MAX2041 Typical Operating Characteristics (continued) (MAX2041 Typical Application Circuit, VCC = +5.0V, PLO = 0dBm, PRF = 0dBm, fLO > fRF , fIF = 200MHz, R1 = 549, unless otherwise noted.) Downconverter Curves LO SELECTED RETURN LOSS vs. LO FREQUENCY MAX2041 toc36 LO UNSELECTED RETURN LOSS vs. RF FREQUENCY MAX2041 toc37 SUPPLY CURRENT vs. TEMPERATURE (TC) MAX2041 toc38 0 LO SELECTED RETURN LOSS (dB) 5 10 15 20 25 30 35 PLO = -3dBm 40 1000 1500 2000 2500 PLO = 0dBm PLO = +3dBm 0 LO UNSELECTED RETURN LOSS (dB) 10 20 30 40 PLO = -3dBm, 0dBm, +3dBm 50 60 130 120 SUPPLY CURRENT (mA) 110 100 90 VCC = 5.0V 80 70 VCC = 4.75V VCC = 5.25V 3000 1000 1500 2000 2500 3000 -40 -15 10 35 60 85 LO FREQUENCY (MHz) LO FREQUENCY (MHz) TEMPERATURE (C) Typical Operating Characteristics (MAX2041 Typical Application Circuit, VCC = +5.0V, PLO = 0dBm, PIF = 0dBm, fRF = fLO - fIF, fIF = 200MHz, R1 = 549, unless otherwise noted.) Upconverter Curves CONVERSION LOSS vs. RF FREQUENCY MAX2041 toc39 CONVERSION LOSS vs. RF FREQUENCY MAX2041 toc40 CONVERSION LOSS vs. RF FREQUENCY MAX2041 toc41 9 TC = +85C 8 CONVERSION LOSS (dB) 9 9 8 CONVERSION LOSS (dB) 8 CONVERSION LOSS (dB) 7 7 PLO = -3dBm, 0dBm, +3dBm 6 7 VCC = 4.75V, 5.0V, 5.25V 6 6 TC = -40C TC = +25C 5 5 4 1500 1600 1700 1800 1900 2000 2100 2200 RF FREQUENCY (MHz) 1500 1600 1700 1800 1900 2000 2100 2200 RF FREQUENCY (MHz) 5 4 1500 1600 1700 1800 1900 2000 2100 2200 RF FREQUENCY (MHz) 4 8 _______________________________________________________________________________________ High-Linearity, 1700MHz to 3000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch MAX2041 Typical Operating Characteristics (continued) (MAX2041 Typical Application Circuit, VCC = +5.0V, PLO = 0dBm, PIF = 0dBm, fRF = fLO - fIF, fIF = 200MHz, R1 = 549, unless otherwise noted.) Upconverter Curves INPUT IP3 vs. RF FREQUENCY MAX2041 toc42 INPUT IP3 vs. RF FREQUENCY MAX2041 toc43 INPUT IP3 vs. RF FREQUENCY VCC = 5.25V MAX2041 toc44 39 37 35 INPUT IP3 (dBm) 33 31 TC = -40C 29 27 25 TC = +85C TC = +25C 39 37 35 INPUT IP3 (dBm) 33 31 29 27 25 PLO = -3dBm, 0dBm, +3dBm 39 37 35 INPUT IP3 (dBm) 33 31 29 27 25 VCC = 5.0V VCC = 4.75V 1500 1600 1700 1800 1900 2000 2100 2200 RF FREQUENCY (MHz) 1500 1600 1700 1800 1900 2000 2100 2200 RF FREQUENCY (MHz) 1500 1600 1700 1800 1900 2000 2100 2200 RF FREQUENCY (MHz) LO + 2IF REJECTION vs. RF FREQUENCY (LO1 SELECTED) MAX2041 toc45 LO + 2IF REJECTION vs. RF FREQUENCY (LO1 SELECTED) PLO = 0dBm PIF = 0dBm PLO = +3dBm 70 65 60 55 50 45 MAX2041 toc46 LO + 2IF REJECTION vs. RF FREQUENCY (LO1 SELECTED) PIF = 0dBm 75 LO + 2IF REJECTION (dBc) 70 65 60 55 VCC = 4.75V, 5.0V, 5.25V 50 45 MAX2041 toc47 MAX2041 toc50 85 80 LO + 2IF REJECTION (dBc) 75 70 65 60 55 50 45 TC = +85C TC = -40C PIF = 0dBm 80 75 LO + 2IF REJECTION (dBc) 80 TC = +25C PLO = -3dBm 1500 1600 1700 1800 1900 2000 2100 2200 FUNDAMENTAL RF FREQUENCY (MHz) 1500 1600 1700 1800 1900 2000 2100 2200 FUNDAMENTAL RF FREQUENCY (MHz) 1500 1600 1700 1800 1900 2000 2100 2200 FUNDAMENTAL RF FREQUENCY (MHz) LO + 2IF REJECTION vs. RF FREQUENCY (LO2 SELECTED) MAX2041 toc48 LO + 2IF REJECTION vs. RF FREQUENCY (LO2 SELECTED) PLO = -3dBm 75 LO + 2IF REJECTION (dBc) 70 65 60 55 50 45 PLO = 0dBm PLO = +3dBm PIF = 0dBm MAX2041 toc49 LO + 2IF REJECTION vs. RF FREQUENCY (LO2 SELECTED) 80 75 LO + 2IF REJECTION (dBc) 70 65 60 55 50 45 VCC = 4.75V, 5.0V, 5.25V PIF = 0dBm 80 TC = -40C 75 LO + 2IF REJECTION (dBc) 70 65 60 TC = +25C 55 50 45 PIF = 0dBm TC = +85C 80 1500 1600 1700 1800 1900 2000 2100 2200 FUNDAMENTAL RF FREQUENCY (MHz) 1500 1600 1700 1800 1900 2000 2100 2200 FUNDAMENTAL RF FREQUENCY (MHz) 1500 1600 1700 1800 1900 2000 2100 2200 FUNDAMENTAL RF FREQUENCY (MHz) _______________________________________________________________________________________ 9 High-Linearity, 1700MHz to 3000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch MAX2041 Typical Operating Characteristics (continued) (MAX2041 Typical Application Circuit, VCC = +5.0V, PLO = 0dBm, PIF = 0dBm, fRF = fLO - fIF, fIF = 200MHz, R1 = 549, unless otherwise noted.) Upconverter Curves LO - 2IF REJECTION vs. RF FREQUENCY (LO1 SELECTED) MAX2041 toc51 LO - 2IF REJECTION vs. RF FREQUENCY (LO1 SELECTED) MAX2041 toc52 LO - 2IF REJECTION vs. RF FREQUENCY (LO1 SELECTED) VCC = 5.25V PIF = 0dBm VCC = 4.75V 70 65 60 55 VCC = 4.75V, 5.0V, 5.25V 50 45 MAX2041 toc53 MAX2041 toc59 MAX2041 toc56 80 TC = +25C 75 LO - 2IF REJECTION (dBc) 70 65 60 55 50 45 TC = -40C PIF = 0dBm 85 80 LO - 2IF REJECTION (dBc) 75 70 65 60 55 50 45 PLO = -3dBm PLO = +3dBm PIF = 0dBm 80 75 LO - 2IF REJECTION (dBc) TC = +85C PLO = 0dBm 1500 1600 1700 1800 1900 2000 2100 2200 FUNDAMENTAL RF FREQUENCY (MHz) 1500 1600 1700 1800 1900 2000 2100 2200 FUNDAMENTAL RF FREQUENCY (MHz) 1500 1600 1700 1800 1900 2000 2100 2200 FUNDAMENTAL RF FREQUENCY (MHz) LO - 2IF REJECTION vs. RF FREQUENCY (LO2 SELECTED) MAX2041 toc54 LO - 2IF REJECTION vs. RF FREQUENCY (LO2 SELECTED) PIF = 0dBm PLO = +3dBm MAX2041 toc55 LO - 2IF REJECTION vs. RF FREQUENCY (LO2 SELECTED) 80 75 LO - 2IF REJECTION (dBc) 70 65 60 55 50 45 VCC = 5.0V VCC = 4.75V VCC = 5.25V PIF = 0dBm 85 80 LO - 2IF REJECTION (dBc) 75 70 65 60 55 TC = -40C 50 45 TC = +25C TC = +85C PIF = 0dBm 85 80 LO - 2IF REJECTION (dBc) 75 70 65 60 55 PLO = 0dBm PLO = -3dBm 50 45 1500 1600 1700 1800 1900 2000 2100 2200 FUNDAMENTAL RF FREQUENCY (MHz) 1500 1600 1700 1800 1900 2000 2100 2200 FUNDAMENTAL RF FREQUENCY (MHz) 1500 1600 1700 1800 1900 2000 2100 2200 FUNDAMENTAL RF FREQUENCY (MHz) LO + 3IF REJECTION vs. RF FREQUENCY MAX2041 toc57 LO + 3IF REJECTION vs. RF FREQUENCY 85 LO + 3IF REJECTION (dBc) 80 75 70 65 60 55 50 PLO = 0dBm PLO = -3dBm PLO = +3dBm PIF = 0dBm MAX2041 toc58 LO + 3IF REJECTION vs. RF FREQUENCY 90 85 LO + 3IF REJECTION (dBc) 80 75 70 65 60 55 50 VCC = 5.0V VCC = 4.75V VCC = 5.25V PIF = 0dBm 90 85 LO + 3IF REJECTION (dBc) 80 75 70 65 60 55 50 TC = -40C TC = +25C TC = +85C PIF = 0dBm 90 1500 1600 1700 1800 1900 2000 2100 2200 FUNDAMENTAL RF FREQUENCY (MHz) 1500 1600 1700 1800 1900 2000 2100 2200 FUNDAMENTAL RF FREQUENCY (MHz) 1500 1600 1700 1800 1900 2000 2100 2200 FUNDAMENTAL RF FREQUENCY (MHz) 10 ______________________________________________________________________________________ High-Linearity, 1700MHz to 3000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch MAX2041 Typical Operating Characteristics (continued) (MAX2041 Typical Application Circuit, VCC = +5.0V, PLO = 0dBm, PIF = 0dBm, fRF = fLO - fIF, fIF = 200MHz, R1 = 549, unless otherwise noted.) Upconverter Curves LO - 3IF REJECTION vs. RF FREQUENCY MAX2041 toc60 LO - 3IF REJECTION vs. RF FREQUENCY MAX2041 toc61 LO - 3IF REJECTION vs. RF FREQUENCY PIF = 0dBm VCC = 5.25V VCC = 5.0V 85 LO - 3IF REJECTION (dBc) 80 75 70 65 60 55 50 VCC = 4.75V MAX2041 toc62 90 85 LO - 3IF REJECTION (dBc) 80 75 70 65 60 55 50 TC = -40C TC = +25C PIF = 0dBm 90 85 LO - 3IF REJECTION (dBc) 80 75 70 65 60 55 50 PLO = -3dBm PIF = 0dBm PLO = +3dBm 90 TC = +85C PLO = 0dBm 1500 1600 1700 1800 1900 2000 2100 2200 FUNDAMENTAL RF FREQUENCY (MHz) 1500 1600 1700 1800 1900 2000 2100 2200 FUNDAMENTAL RF FREQUENCY (MHz) 1500 1600 1700 1800 1900 2000 2100 2200 FUNDAMENTAL RF FREQUENCY (MHz) LO LEAKAGE AT RF PORT vs. LO FREQUENCY MAX2041 toc63 LO LEAKAGE AT RF PORT vs. LO FREQUENCY MAX2041 toc64 LO LEAKAGE AT RF PORT vs. LO FREQUENCY MAX2041 toc65 -10 LO LEAKAGE AT RF PORT (dBm) -10 LO LEAKAGE AT RF PORT (dBm) -10 LO LEAKAGE AT RF PORT (dBm) -15 -15 -15 VCC = 5.25V -20 -20 PLO = -3dBm, 0dBm, +3dBm -25 -20 VCC = 4.75V -25 VCC = 5.0V TC = -40C, +25C, +85C -25 -30 1700 1800 1900 2000 2100 2200 2300 2400 LO FREQUENCY (MHz) -30 1700 1800 1900 2000 2100 2200 2300 2400 LO FREQUENCY (MHz) -30 1700 1800 1900 2000 2100 2200 2300 2400 LO FREQUENCY (MHz) IF LEAKAGE AT RF vs. LO FREQUENCY MAX2041 toc66 IF LEAKAGE AT RF vs. LO FREQUENCY MAX2041 toc67 IF LEAKAGE AT RF vs. LO FREQUENCY MAX2041 toc68 -40 -40 -40 -50 IF LEAKAGE (dBm) -50 IF LEAKAGE (dBm) -50 IF LEAKAGE (dBm) -60 TC = -40C -70 -60 PLO = -3dBm, 0dBm, +3dBm -60 VCC = 4.75V -70 -70 -80 TC = +85C -90 1700 1800 1900 2000 2100 2200 2300 2400 LO FREQUENCY (MHz) TC = +25C -80 -80 VCC = 5.25V VCC = 5.0V 1700 1800 1900 2000 2100 2200 2300 2400 LO FREQUENCY (MHz) -90 1700 1800 1900 2000 2100 2200 2300 2400 LO FREQUENCY (MHz) -90 ______________________________________________________________________________________ 11 High-Linearity, 1700MHz to 3000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch MAX2041 Pin Description PIN 1, 6, 8, 14 2 3 4, 5, 10, 12, 13, 16, 17, 20 7 9 11 15 18, 19 EP NAME VCC RF TAP FUNCTION Power-Supply Connection. Bypass each VCC pin to GND with capacitors as shown in the Typical Application Circuit. Single-Ended 50 RF Input/Output. This port is internally matched and DC shorted to GND through a balun. Center Tap of the Internal RF Balun. Bypass to GND with capacitors close to the IC, as shown in the Typical Application Circuit. Ground Bias Resistor for Internal LO Buffer. Connect a 549 1% resistor from LOBIAS to the power supply. Local Oscillator Select. Logic control input for selecting LO1 or LO2. Local Oscillator Input 1. Drive LOSEL low to select LO1. Local Oscillator Input 2. Drive LOSEL high to select LO2. Differential IF Input/Outputs Exposed Ground Paddle. Solder the exposed paddle to the ground plane using multiple vias. GND LOBIAS LOSEL LO1 LO2 IF-, IF+ GND Detailed Description The MAX2041 can operate either as a downconverter or an upconverter mixer that provides 7.2dB of conversion loss with a typical 7.4dB noise figure. IIP3 is +33.5dBm for both upconversion and downconversion operation. The integrated baluns and matching circuitry allow for 50 single-ended interfaces to the RF port and two LO ports. The RF port can be used as an input for downconversion or an output for upconversion. A single-pole, double-throw (SPDT) switch provides 50ns switching time between the two LO inputs with 43dB of LO-to-LO isolation. Furthermore, the integrated LO buffer provides a high drive level to the mixer core, reducing the LO drive required at the MAX2041's inputs to a range of -3dBm to +3dBm. The IF port incorporates a differential output for downconversion, which is ideal for providing enhanced IIP2 performance. For upconversion, the IF port is a differential input. Specifications are guaranteed over broad frequency ranges to allow for use in UMTS, cdma2000, 2G/2.5G/3G DCS 1800, PCS 1900, and WiMAX base stations. The MAX2041 is specified to operate over an RF frequency range of 1700MHz to 3000MHz, an LO frequency range of 1900MHz to 3000MHz, and an IF frequency range of DC to 350MHz. Operation beyond these ranges is possible; see the Typical Operating Characteristics for additional details. This device can operate equally well in low-side LO injection applications as long as the LO frequency range is between 1900MHz and 3000MHz. If an LO frequency range below 1900MHz is desired, refer to the MAX2039. RF Port and Balun For using the MAX2041 as a downconverter, the RF input is internally matched to 50, requiring no external matching components. A DC-blocking capacitor is required since the input is internally DC shorted to ground through the on-chip balun. The RF return loss is typically better than 17dB over a 1400MHz to 3000MHz frequency range. For upconverter operation, the RF port is a single-ended output similarly matched to 50. LO Inputs, Buffer, and Balun The MAX2041 can be used for either high-side or lowside injection applications with a 1900MHz to 3000MHz LO frequency range. For a device with a 1500MHz to 2000MHz LO frequency range, refer to the MAX2039 data sheet. As an added feature, the MAX2041 includes an internal LO SPDT switch that can be used for frequency-hopping applications. The switch selects one of the two single-ended LO ports, allowing the external oscillator to settle on a particular frequency before it is switched in. LO switching time is typically less than 50ns, which is more than adequate for virtually all GSM applications. If frequency hopping is not employed, set the switch to either of the LO inputs. The switch is controlled by a digital input (LOSEL): logic-high selects LO2, logic-low selects LO1. To avoid damage to the part, voltage MUST 12 ______________________________________________________________________________________ High-Linearity, 1700MHz to 3000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch be applied to VCC before digital logic is applied to LOSEL (see the Absolute Maximum Ratings). LO1 and LO2 inputs are internally matched to 50, requiring only a 22pF DC-blocking capacitor. A two-stage internal LO buffer allows a wide-input power range for the LO drive. The on-chip low-loss balun, along with an LO buffer, drives the double-balanced mixer. All interfacing and matching components from the LO inputs to the IF outputs are integrated on chip. Layout Considerations A properly designed PC board is an essential part of any RF/microwave circuit. Keep RF signal lines as short as possible to reduce losses, radiation, and inductance. For the best performance, route the ground pin traces directly to the exposed pad under the package. The PC board exposed pad MUST be connected to the ground plane of the PC board. It is suggested that multiple vias be used to connect this pad to the lower-level ground planes. This method provides a good RF/thermal conduction path for the device. Solder the exposed pad on the bottom of the device package to the PC board. The MAX2041 Evaluation Kit can be used as a reference for board layout. Gerber files are available upon request at www.maxim-ic.com. MAX2041 MAX2041 MAX2041 High-Linearity Mixer The core of the MAX2041 is a double-balanced, highperformance passive mixer. Exceptional linearity is provided by the large LO swing from the on-chip LO buffer. Differential IF The MAX2041 mixer has an IF frequency range of DC to 350MHz. Note that these differential ports are ideal for providing enhanced IIP2 performance. Single-ended IF applications require a 1:1 balun to transform the 50 differential IF impedance to a 50 single-ended system. After the balun, the IF return loss is better than 15dB. The differential IF is used as an input port for upconverter operation. The user can use a differential IF amplifier following the mixer but a DC block is required on both IF pins. In this configuration, the IF+ and IF- pins need to be returned to ground through a high resistance (about 1k). This ground return can also be accomplished by grounding the RF TAP (pin 3) and AC-coupling the IF+ and IF- ports (pins 19 and 18). Power-Supply Bypassing Proper voltage-supply bypassing is essential for highfrequency circuit stability. Bypass each VCC pin and TAP with the capacitors shown in the Typical Application Circuit; see Table 1. Place the TAP bypass capacitor to ground within 100 mils of the TAP pin. Table 1. Component List Referring to the Typical Application Circuit COMPONENT C1 C4 C2, C6, C7, C8, C10, C12 C3, C5, C9, C11 R1 T1 U1 VALUE 4pF 10pF 22pF 0.01F 549 DESCRIPTION Microwave capacitor (0603) Microwave capacitor (0603) Microwave capacitors (0603) Microwave capacitors (0603) 1% resistor (0603) Applications Information Input and Output Matching The RF and LO inputs are internally matched to 50. No matching components are required. Return loss at the RF port is typically better than 17dB over a 1400MHz to 3000MHz frequency range, and return loss at the LO ports is typically better than 16dB over a 1900MHz to 3000MHz frequency range. RF and LO inputs require only DC-blocking capacitors for interfacing. The IF output impedance is 50 (differential). For evaluation, an external low-loss 1:1 (impedance ratio) balun transforms this impedance to a 50 single-ended output (see the Typical Application Circuit). IF balun with DC grounded 1:1 Balun ports M/A-COM MABAES0029 MAX2041 Maxim IC Exposed Pad RF/Thermal Considerations The EP of the MAX2041's 20-pin thin QFN-EP package provides a low thermal-resistance path to the die. It is important that the PC board on which the MAX2041 is mounted be designed to conduct heat from the EP. In addition, provide the EP with a low-inductance path to electrical ground. The EP MUST be soldered to a ground plane on the PC board, either directly or through an array of plated via holes. Bias Resistor Bias current for the LO buffer is optimized by fine tuning resistor R1. If reduced current is required at the expense of performance, contact the factory for details. If the 1% bias resistor values are not readily available, substitute standard 5% values. ______________________________________________________________________________________ 13 High-Linearity, 1700MHz to 3000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch MAX2041 Typical Application Circuit T1 1 4 IF 3 5 GND GND 17 20 19 18 C3 C2 VCC 16 GND IF+ VCC IF- 1 15 LO2 VCC C12 LO2 INPUT VCC C1 RF C5 RF 2 3 MAX2041 14 13 C11 TAP GND GND C10 GND 5 11 10 LO1 C4 GND 4 12 LO1 INPUT 7 8 6 LOBIAS LOSEL VCC VCC 9 R1 VCC C6 C7 VCC GND LOSEL INPUT C9 C8 Pin Configuration GND GND GND Chip Information PROCESS: SiGe BiCMOS TOP VIEW IF+ 20 19 18 IF- 17 16 VCC 1 15 LO2 MAX2041 RF TAP 2 3 14 13 VCC GND GND GND 4 5 12 GND LO1 11 LOBIAS 14 ______________________________________________________________________________________ LOSEL GND 10 7 8 VCC 6 VCC 9 High-Linearity, 1700MHz to 3000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch Package Information (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.) QFN THIN.EPS MAX2041 D2 D D/2 MARKING k L C L b D2/2 0.10 M C A B AAAAA E/2 E2/2 E (NE-1) X e C L E2 PIN # 1 I.D. DETAIL A e (ND-1) X e e/2 PIN # 1 I.D. 0.35x45 DETAIL B e L1 L C L C L L L e 0.10 C A 0.08 C e C A1 A3 PACKAGE OUTLINE, 16, 20, 28, 32, 40L THIN QFN, 5x5x0.8mm -DRAWING NOT TO SCALE- 21-0140 I 1 2 ______________________________________________________________________________________ 15 High-Linearity, 1700MHz to 3000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch MAX2041 Package Information (continued) (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.) COMMON DIMENSIONS PKG. 16L 5x5 20L 5x5 28L 5x5 32L 5x5 40L 5x5 SYMBOL MIN. NOM. MAX. MIN. NOM. MAX. MIN. NOM. MAX. MIN. NOM. MAX. MIN. NOM. MAX. EXPOSED PAD VARIATIONS PKG. CODES T1655-2 T1655-3 T1655N-1 T2055-3 D2 3.10 3.10 3.10 3.10 3.10 3.25 3.25 2.70 2.70 3.25 2.70 3.25 3.25 3.10 3.10 3.10 3.10 3.30 3.20 3.20 3.20 3.20 3.20 3.35 3.35 2.80 2.80 3.35 2.80 3.35 3.35 3.20 3.20 3.20 3.20 3.40 3.00 3.00 3.00 3.00 3.00 3.15 3.15 2.60 2.60 3.15 2.60 3.15 3.15 3 3.00 3 3.00 3.00 3.00 3.20 E2 exceptions L MIN. NOM. MAX. MIN. NOM. MAX. -0.15 DOWN BONDS ALLOWED A A1 A3 b D E e k L 0.70 0.75 0.80 0.70 0.75 0.80 0.70 0.75 0.80 0.70 0.75 0.80 0.70 0.75 0.80 0 0.02 0.05 0 0.02 0.05 0 0.02 0.05 0 0.02 0.05 0 0.02 0.05 0.20 REF. 0.20 REF. 0.20 REF. 0.20 REF. 0.20 REF. 0.25 0.30 0.35 0.25 0.30 0.35 0.20 0.25 0.30 0.20 0.25 0.30 0.15 0.20 0.25 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10 0.65 BSC. 0.50 BSC. 0.40 BSC. 0.80 BSC. 0.50 BSC. - 0.25 - 0.25 - 0.25 0.35 0.45 0.25 - 0.25 0.30 0.40 0.50 0.45 0.55 0.65 0.45 0.55 0.65 0.30 0.40 0.50 0.40 0.50 0.60 L1 - 0.30 0.40 0.50 40 16 N 20 28 32 ND 10 4 5 7 8 4 10 5 7 8 NE WHHB ----WHHC WHHD-1 WHHD-2 JEDEC NOTES: 1. DIMENSIONING & TOLERANCING CONFORM TO ASME Y14.5M-1994. 2. ALL DIMENSIONS ARE IN MILLIMETERS. ANGLES ARE IN DEGREES. 3. N IS THE TOTAL NUMBER OF TERMINALS. 4. THE TERMINAL #1 IDENTIFIER AND TERMINAL NUMBERING CONVENTION SHALL CONFORM TO JESD 95-1 SPP-012. DETAILS OF TERMINAL #1 IDENTIFIER ARE OPTIONAL, BUT MUST BE LOCATED WITHIN THE ZONE INDICATED. THE TERMINAL #1 IDENTIFIER MAY BE EITHER A MOLD OR MARKED FEATURE. 5. DIMENSION b APPLIES TO METALLIZED TERMINAL AND IS MEASURED BETWEEN 0.25 mm AND 0.30 mm FROM TERMINAL TIP. 3.00 3.00 3.00 3.00 3.00 T2055-4 T2055-5 3.15 T2855-3 3.15 T2855-4 2.60 T2855-5 2.60 3.15 T2855-6 T2855-7 2.60 T2855-8 3.15 T2855N-1 3.15 T3255-3 3.00 T3255-4 3.00 T3255-5 3.00 T3255N-1 3.00 T4055-1 3.20 3.10 3.10 3.10 3.10 3.10 3.25 3.25 2.70 2.70 3.25 2.70 3.25 3.25 3.10 3.10 3.10 3.10 3.30 3.20 3.20 3.20 3.20 3.20 3.35 3.35 2.80 2.80 3.35 2.80 3.35 3.35 3.20 3.20 3.20 3.20 3.40 ** ** ** ** ** 0.40 ** ** ** ** ** 0.40 ** ** ** ** ** ** YES NO NO YES NO YES YES YES NO NO YES YES NO YES NO YES NO YES ** SEE COMMON DIMENSIONS TABLE 6. ND AND NE REFER TO THE NUMBER OF TERMINALS ON EACH D AND E SIDE RESPECTIVELY. 7. DEPOPULATION IS POSSIBLE IN A SYMMETRICAL FASHION. 8. COPLANARITY APPLIES TO THE EXPOSED HEAT SINK SLUG AS WELL AS THE TERMINALS. 9. DRAWING CONFORMS TO JEDEC MO220, EXCEPT EXPOSED PAD DIMENSION FOR T2855-3 AND T2855-6. 10. WARPAGE SHALL NOT EXCEED 0.10 mm. 11. MARKING IS FOR PACKAGE ORIENTATION REFERENCE ONLY. 12. NUMBER OF LEADS SHOWN ARE FOR REFERENCE ONLY. 13. LEAD CENTERLINES TO BE AT TRUE POSITION AS DEFINED BY BASIC DIMENSION "e", -0.05. PACKAGE OUTLINE, 16, 20, 28, 32, 40L THIN QFN, 5x5x0.8mm -DRAWING NOT TO SCALE- 21-0140 I 2 2 Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 16 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 (c) 2006 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products, Inc. |
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