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| HMC349MS8G / 349MS8GE v02.0607 HIGH ISOLATION SPDT NON-REFLECTIVE SWITCH, DC - 4.0 GHz Features High Isolation: 70 dB @ 1 GHz 57 dB @ 2 GHz Single Positive Control: 0/+5V +52 dBm Input IP3 Non-Reflective Design All Off State Ultra Small MS8G SMT Package: 14.8 mm2 Typical Applications The HMC349MS8G / HMC349MS8GE is ideal for: * Basestation Infrastructure * MMDS & 3.5 GHz WLL * CATV/CMTS * Test Instrumentation 9 SWITCHES - SMT Included in the HMC-DK005 Designer's Kit Functional Diagram General Description The HMC349MS8G & HMC349MS8GE are high isolation non-reflective DC to 4 GHz GaAs MESFET SPDT switches in low cost 8 lead MSOP8G surface mount packages with exposed ground paddles. The switch is ideal for cellular/PCS/3G basestation applications yielding 50 to 60 dB isolation, low 0.8 dB insertion loss and +52 dBm input IP3. Power handling is excellent up through the 3.5 GHz WLL band with the switch offering a P1dB compression point of +31 dBm. On-chip circuitry allows a single positive voltage control of 0/+5 Volts at very low DC currents. An enable input (EN) set to logic high will put the switch in an "all off" state. Electrical Specifications, TA = +25 C, Vctl = 0/+5 Vdc, Vdd = +5 Vdc, 50 Ohm System Parameter Frequency DC - 1.0 GHz DC - 2.0 GHz DC - 3.0 GHz DC - 4.0 GHz DC - 1.0 GHz DC - 2.0 GHz DC - 3.0 GHz DC - 4.0 GHz DC - 1.0 GHz DC - 2.0 GHz DC - 3.0 GHz DC - 4.0 GHz 0.5 - 2.0 GHz 0.5 - 3.0 GHz 0.5 - 4.0 GHz 0.25 - 4.0 GHz 0.25 - 1.0 GHz 1.0 - 2.0 GHz 2.0 - 3.0 GHz 3.0 - 4.0 GHz DC - 4.0 GHz tRISE, tFALL (10/90% RF) tON, tOFF (50% CTL to 10/90% RF) 40 120 ns ns 27 60 54 45 42 Min. Typ. 0.8 0.9 1.2 1.8 70 57 50 47 23 18 13 8 20 17 14 31 53 50 49 47 Max. 1.1 1.2 1.5 2.1 Units dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dBm dBm dBm dBm dBm Insertion Loss Isolation (RFC to RF1/RF2) Return Loss (On State) Return Loss (Off State) Input Power for 1 dB Compression Input Third Order Intercept (Two-Tone Input Power = +7 dBm Each Tone) Switching Speed 9 - 238 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC349MS8G / 349MS8GE v02.0607 HIGH ISOLATION SPDT NON-REFLECTIVE SWITCH, DC - 4.0 GHz Insertion Loss 0 Return Loss 0 -5 RETURN LOSS (dB) -10 -15 -20 -25 -30 INSERTION LOSS (dB) -1 RFC RF1, RF2 ON RF1, RF2 OFF -2 -3 +25C +85C -40C -4 -5 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 FREQUENCY (GHz) 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 9 SWITCHES - SMT FREQUENCY (GHz) Note: RFC is reflective in "all off" state. Isolation Between Ports RFC and RF1 / RF2 0 -10 -20 ISOLATION (dB) -30 -40 -50 -60 -70 -80 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 FREQUENCY (GHz) RF1 RF2 ALL OFF Isolation Between Ports RF1 and RF2 0 -10 -20 -30 -40 -50 -60 -70 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 FREQUENCY (GHz) 0.1 and 1 dB Input Compression Point 34 INPUT COMPRESSION (dBm) 32 30 Input Third Order Intercept Point 60 58 56 54 IIP3 (dBm) 52 50 48 46 44 +25C +85C -40C 28 26 24 22 20 0 1 2 FREQUENCY (GHz) 3 4 0.1 dB Compression Point 1 dB Compression Point ISOLATION (dB) 42 40 0 1 2 FREQUENCY (GHz) 3 4 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com 9 - 239 HMC349MS8G / 349MS8GE v02.0607 HIGH ISOLATION SPDT NON-REFLECTIVE SWITCH, DC - 4.0 GHz Absolute Maximum Ratings RF Input Power (Vctl = 0V/+5V) (0.25 - 4 GHz) Supply Voltage Range (Vdd) Control Voltage Range (Vctl) Hot Switch Power Level (Vdd = +5V) Channel Temperature Continuous Pdiss (T = 85 C) (derate 12 mW/C above 85 C) Thermal Resistance Storage Temperature +30 dBm (T = +85 C) +7 Vdc -1V to Vdd +1V +30 dBm 150 C 0.75 W 87 C/W -65 to +150 C -40 to +85 C Class 1A Bias Voltage & Current Vdd Range = +5.0 Vdc 10% Vdd (Vdc) +5.0 Idd (Typ.) (mA) 2.3 Idd (Max.) (mA) 5.0 TTL/CMOS Control Voltages State Low High Bias Condition 0 to +0.8 Vdc @ <1 A Typical +2.0 to +5.0 Vdc @ 30 A Typical 9 SWITCHES - SMT Operating Temperature ESD Sensitivity (HBM) Truth Table Control Input Signal Path State EN Low Low High High RFC - RF1 OFF ON OFF OFF RFC - RF2 ON OFF OFF OFF Vctl Low High Low Note: DC blocking capacitors are required at ports RFC, RF1 and RF2. Their value will determine the lowest transmission frequency. ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS High 9 - 240 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC349MS8G / 349MS8GE v02.0607 HIGH ISOLATION SPDT NON-REFLECTIVE SWITCH, DC - 4.0 GHz Outline Drawing 9 NOTES: 1. LEADFRAME MATERIAL: COPPER ALLOY 2. DIMENSIONS ARE IN INCHES [MILLIMETERS] 3. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.15mm PER SIDE. 4. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.25mm PER SIDE. 5. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. Package Information Part Number HMC349MS8G HMC349MS8GE Package Body Material Low Stress Injection Molded Plastic RoHS-compliant Low Stress Injection Molded Plastic Lead Finish Sn/Pb Solder 100% matte Sn MSL Rating MSL1 MSL1 [1] Package Marking [3] H349 XXXX H349 XXXX [2] [1] Max peak reflow temperature of 235 C [2] Max peak reflow temperature of 260 C [3] 4-Digit lot number XXXX For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com 9 - 241 SWITCHES - SMT HMC349MS8G / 349MS8GE v02.0607 HIGH ISOLATION SPDT NON-REFLECTIVE SWITCH, DC - 4.0 GHz Pin Descriptions Pin Number 1 Function Vdd Description Supply Voltage. Interface Schematic 2 Vctl Control input. See truth and control voltage tables. 9 3, 5, 8 RFC, RF1, RF2 SWITCHES - SMT These pins are DC coupled and matched to 50 Ohms. Blocking capacitors are required. 4 EN Enable. See truth and control voltage tables. 6, 7 GND Package bottom must also be connected to PCB RF ground. 9 - 242 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC349MS8G / 349MS8GE v02.0607 HIGH ISOLATION SPDT NON-REFLECTIVE SWITCH, DC - 4.0 GHz Evaluation PCB 9 SWITCHES - SMT List of Materials for Evaluation PCB 107662 [1] Item J1 - J3 J4 - J8 C1 - C3 U1 PCB [2] Description PCB Mount SMA RF Connector DC Pin 100 pF Capacitor, 0402 Pkg. HMC349MS8G / HMC349MS8GE SPDT Switch 107660 Evaluation PCB [1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Rogers 4350 The circuit board used in the final application should be generated with proper RF circuit design techniques. Signal lines at the RF port should have 50 ohm impedance and the package ground leads and backside ground slug should be connected directly to the ground plane similar to that shown above. The evaluation circuit board shown above is available from Hittite Microwave Corporation upon request. For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com 9 - 243 |
Price & Availability of HMC349MS8G07
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