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| STG3856 Low Voltage 1.0 Max Dual SP3T Switch With Break Before Make Feature TARGET SPECIFICATION Features HIGH SPEED: - tPD = 0.3ns (TYP.) at V CC = 3.0V - tPD = 0.4ns (TYP.) at V CC = 2.3V ULTRA LOW POWER DISSIPATION: - ICC = 0.2A (MAX.) at TA = 85C LOW "ON" RESISTANCE VIN = 0V: - RON = 1.0(MAX. TA = 25C) AT V CC=4.3V - RON = 1.5(MAX. TA = 25C) AT V CC=3.0V - RON = 1.8(MAX. TA = 25C) AT V CC=2.3V WIDE OPERATING VOLTAGE RANGE: - VCC (OPR) = 1.65V to 4.3V SINGLE SUPPLY 4.3V TOLERANT AND 1.8V COMPATIBLE THRESHOLD ON DIGITAL CONTROL INPUT at VCC = 2.3 TO 4.3V LATCH-UP PERFORMANCE EXCEEDS 300mA (JESD 17) ESD PERFORMANCE (ANALOG CHAN. Vs. GND): HBM >2kV (MIL STD 883 method 3015) QFN12L Description The STG3856 is a high-speed CMOS LOW VOLTAGE DUAL ANALOG S.P.3.T. (Single Pole Triple Throw) SWITCH or Dual 3:1 Multiplexer / Demultiplexer Switch fabricated in silicon gate C2MOS technology. It is designed to operate from 1.65V to 4.3V, making this device ideal for portable applications. The device offers very low ON-Resistance (<1.0) at VCC = 4.3V. The disabling and enabling of switches are done by setting the 1IN and 2IN control pins. Additional key features are fast switching speed, and Ultra Low Power Consumption. All inputs and outputs are equipped with protection circuits against static discharge, giving them ESD immunity and transient excess voltage. Order Codes Part Number STG3856 Temperature Range -40C to +85C Package QFN12L (2.2mm x 1.4mm) Comments STG3856QTR December 2005 This is preliminary information on a new product foreseen to be developed. Details are subject to change without notice. Rev. 2 1/13 www.st.com 13 STG3856 Contents 1 Summary Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 1.2 1.3 1.4 Pin Connections and Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Truth Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Internal Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Input Equivalent Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 3 Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3.1 3.2 3.3 DC Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 AC Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Analog Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4 5 Package Mechanical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2/13 STG3856 1 Summary Description 1 1.1 Summary Description Pin Connections and Description Figure 1. Connection Diagramn (Top through view) V CC IN 1 12 1S1 1S2 1S3 1 2 3 4 IN 2 10 9 8 7 11 5 2S1 2S2 2S3 6 D1 GND D2 Table 1. Pin Description Pin N 12, 10 Symbol 1IN, 2IN 1S1, 1S2, 1S3, 2S1, 2S2, 2S3 D1, D2 Name and Function Controls Independent Channels Common Channels Positive Supply Voltage Ground (0V) 1,2,3, 9,8,7 4,6 11 5 VCC GND 1.2 Truth Table Table 2. Truth Table 1IN L L H H 2IN L H L H High-Impedance D1-1S1, D2-2S1 D1-1S2, D2-2S2 D1-1S3, D2-2S3 Switch State 3/13 1 Summary Description STG3856 1.3 Internal Schematic Figure 2. Internal Schematic 1.4 Input Equivalent Circuit Figure 3. Input Equivalent Circuit 4/13 STG3856 2 Maximum Ratings 2 Maximum Ratings Stressing the device above the rating listed in the "Absolute Maximum Ratings" table may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions above those indicated in the Operating sections of this specification is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant quality documents. Table 3. Symbol Absolute Maximum Ratings Parameter Supply Voltage DC Input voltage DC Control Input Voltage DC Output Voltage DC Input Diode Current on Control Pin (V IN < 0V) Value -0.5 to 5.5 -0.5 to VCC + 0.5 -0.5 to 5.5 -0.5 to VCC + 0.5 -50 50 20 150 300 100 Unit V V V V mA mA mA mA mA mA mW -65 to 150 300 C C VCC VI VIC VO IIKC IIK IOK IO IOP DC Input Diode Current (VIN < 0V) DC Output Diode Current DC Output Current DC Output Current Peak (pulse at 1ms, 10% duty cycle) ICC or IGND PD TSTG TL DC VCC or Ground Current Power Dissipation at TA = 70C (1) Storage Temperature Lead Temperature (10 sec) 1. Derate above 70C by 18.5mW/C 5/13 3 Electrical Characteristics STG3856 3 Table 4. Symbol Electrical Characteristics Recommended Operating Conditions Parameter Supply Voltage (1) Input Voltage Control Input Voltage Output Voltage Operating Temperature VCC =1.65V to 2.7V dt/dv Input rise and Fall Time Control Input VCC =3.0 to 4.3V 0 to 10 Value 1.4 to 4.3 0 to V CC 0 to V CC 0 to V CC -55 to 125 0 to 20 ns/V Unit V V V V C VCC VI VIC VO TOP 1. Truth Table guaranteed: 1.2V to 4.3V 3.1 Table 5. DC Electrical Characteristics DC Electrical Characteristics Test Condition Value TA = 25C VCC (V) Min. 1.65-1.95 0.65VCC 1.4 1.4 1.5 0.40 0.50 0.50 0.50 0.6 1.3 VS=0V to VCC IS=100mA 1.5 2.0 2.5 3.3 VS @ RON Max IS=100mA 1.0 1.5 1.8 2.2 3.0 4.0 Typ. Max. Min. 0.65VCC 1.4 1.4 1.5 0.40 0.50 0.50 0.50 1.2 1.8 2.2 2.6 3.6 4.8 Max. Min. 0.65V CC 1.4 1.4 1.5 0.40 0.50 V 2.7 - 3.0 3.3 - 4.3 4.3 3.0 0.50 0.50 V Max. -40 to 85C -55 to 125C Unit Symbol Parameter VIH High Level Input Voltage 2.3 - 2.5 2.7 - 3.0 3.3 - 4.3 1.65-1.95 VIL Low Level Input Voltage 2.3 - 2.5 RON Switch ON Resistance 2.7 2.3 1.8 1.65 RON ON Resistance Match between channels 2.7 0.01 6/13 STG3856 Table 5. DC Electrical Characteristics Test Condition Symbol Parameter VCC (V) Min. 4.3 ON Resistance FLATNESS (1)(2) 3 Electrical Characteristics Value TA = 25C Typ. Max. -40 to 85C Min. Max. -55 to 125C Min. Max. Unit 3.0 2.7 2.3 1.65 RFLAT VS=0V to VCC IS=100mA 0.22 0.35 0.35 IOFF OFF State Leakage Current (nSN), (Dn) Input Leakage Current 4.3 VS=0.3 or 4V VIN=0 to 4.3V VIN=VCC or GND VIN1, VIN2 = 1.65V 37 33 12 20 100 nA IIN ICC 0 - 4.3 0.1 0.05 50 40 20 1 0.2 100 50 30 1 A A Quiescent 1.65 - 4.3 Supply Current ICCLV Quiescent Supply Current Low Voltage Driving 4.3 VIN1, VIN2 = 1.80V VIN1, VIN2 = 2.60V A 1. Ron = max |mSN-nSN|, where m = 1 and n = 2, N = 1..3 2. Flatness is defined as the difference between the maximum and minimum value of ON-resistance as measured over the specified analog signal ranges. 7/13 3 Electrical Characteristics STG3856 3.2 Table 6. AC Electrical Characteristics AC Electrical Characteristics (CL = 35pF, RL = 50, tr = tf 5ns) Test Condition Value TA = 25C VCC (V) Min. 1.65-1.95 Typ. 0.45 0.40 ns 3.0 - 3.3 3.6 - 4.3 1.65-1.95 VS=0.8V 0.30 0.30 56 33 VS=1.5V 21 19 VS=0.8 24 17 VS=1.5V 14 12 VS=0.8 10 10 VS=1.5V 10 10 31 22 18 7 25 35 pC 40 55 40 30 25 50 40 35 ns 25 20 20 40 30 30 ns 50 40 40 60 50 50 ns Max. Min. Max. Min. Max. -40 to 85C -55 to 125C Unit Symbol Parameter tPLH, tPHL Propagation Delay 2.3 - 2.7 tON TURN-ON time 2.3-2.7 3.0-3.3 3.6-4.3 1.65-1.95 tOFF TURN-OFF time 2.3-2.7 3.0-3.3 3.6-4.3 1.65-1.95 tD Break Before Make Time Delay 2.3-2.7 3.0-3.3 3.6-4.3 1.65-1.95 C =100pF L 2.3-2.7 RL=1MO 3.0-3.3 3.6-4.3 VGEN=0V RGEN=0 Q Charge Injection 8/13 STG3856 3 Electrical Characteristics 3.3 Table 7. Analog Switch Analog Switch Characteristics (CL = 5pF, RL = 50, TA = 25C) Test Condition Value TA = 25C VCC (V) Min. Typ. Max. Min. Max. -82 Min. Max. dB VS=1VRMS f=100kHz VS=1VRMS f=100kHz RL=600 2.3-4.3 VIN=2V PP f=20Hz to 20kHz 0.03 % -40 to 85C -55 to 125C Unit Symbol Parameter OIRR Off Isolation (1) Crosstalk 1.65-4.3 Xtalk 1.6-4.3 -84 dB THD Total Harmonic Distortion -3dB Bandwidth Control Pin Input Capacitance Sn Port OFF Capacitance Sn Port ON Capacitance D Port Capacitance when Switch is Enabled BW 1.65-4.3 R L=50 100 MHz CIN 5 CSn(OFF) CSn(ON) 3.3 3.3 f = 1MHz f = 1MHz 23 pF 70 CD 3.3 f = 1MHz 70 1. OFF Isolation = 20Log10 (V D/VS), V D = output, VS = input at off switch 9/13 4 Package Mechanical Data STG3856 4 Package Mechanical Data In order to meet environmental requirements, ST offers these devices in ECOPACK(R) packages. These packages have a Lead-free second level interconnect . The category of second Level Interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com. 10/13 STG3856 Table 8. QFN12L (2.2mm x 1.4mm) Mechanical Data Dimensions Millimeters Ref Min. A A1 b D E e L 0.35 0.50 0 0.15 1.30 2.10 Typ. 0.55 0.02 0.20 1.40 2.20 0.40 0.40 0.45 0.013 Max. 0.60 0.05 0.25 1.50 2.30 Min. 0.019 0 0.006 0.051 0.082 4 Package Mechanical Data Inches Typ. 0.021 0.001 0.007 0.055 0.086 0.015 0.015 0.017 Max. 0.023 0.002 0.010 0.059 0.090 Figure 4. QFN12L Package Dimensions All dimensions are in millimeters 11/13 5 Revision History STG3856 5 Revision History Date 22-Dec-2005 23-Dec-2005 Revision 1 2 First Draft Few Changes Description of Change 12/13 STG3856 5 Revision History Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners (c) 2005 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com 13/13 |
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