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| UNISONIC TECHNOLOGIES CO., LTD U74LVC3157 SINGLE-POLE,DOUBLE-THROW ANALOG SWITCH DESCRIPTION The UTC U74LVC3157 is a low voltage single-pole, double-throw (SPDT) analog switch intending for use in chopping, modem, signal gating, and signal multiplexing for analog-to-digital and digital-to-analog conversion systems. CMOS IC FEATURES *Useful in Both Analog and Digital Applications *Rail-to-Rail Signal Handing * Low ON Resistance:<10 on Typical @ 3.3V VCC * Broad VCC Operating Range:1.65V to 5.5V * Over-Voltage Tolerance of Control Input to 7.0V * Halogen Free ORDERING INFORMATION Ordering Number U74LVC3157G-AL6-R Package SOT-363 Packing Tape Reel MARKING www.unisonic.com.tw Copyright (c) 2009 Unisonic Technologies Co., Ltd 1 of 5 QW-R502-358.A U74LVC3157 PIN CONFIGURATION CMOS IC FUNCTION TABLE INPUT(S) H L H=High level L=Low Level OUTPUT(Y) B0 Connected to A B1 Connected to A LOGIC DIAGRAM B1 S A B0 Logic Symbol Analog Symbol UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 5 QW-R502-358.A U74LVC3157 ABSOLUTE MAXIMUM RATING CMOS IC PARAMETER SYMBOL RATINGS UNIT Supply Voltage VCC -0.5 ~ +7.0 V Switch Voltage VS -0.5 ~ VCC+0.5 V Input Voltage VIN -0.5 ~ +7.0 V VCC or GND Current ICC 100 mA Continuous Output Current IOUT 128 mA Input Clamp Current (VIN<0V) IIK -50 mA Operating Temperature TOPR -40 ~ + 85 C Storage Temperature TSTG -65 ~ + 150 C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. THERMAL DATA PARAMETER Junction to Ambient SYMBOL JA MIN TYP MAX 270 UNIT C/W RECOMMENDED OPERATING CONDITIONS PARAMETER Supply Voltage Control Input Voltage Switch Input Voltage Output Voltage SYMBOL VCC VIN VIN VOUT TEST CONDITIONS MIN 1.65 0 0 0 0.75xVCC 0.7xVCC TYP MAX 5.5 VCC VCC VCC UNIT V V V V V V V V ns/V ns/V (Note) (Note) (Note) VCC=1.65V to 1.95V High-level Input Voltage VIH VCC=2.3V to 5.5V VCC=1.65V to 1.95V Low-level Input Voltage VIL VCC=2.3V to 5.5V Control Input t VCC=2.3V~3.6V Input Rise or Fall Times V Control Input VCC=4.5V~5.5V Note: Control input must be held HIGH or LOW; it must not float 0.25xVCC 0.3xVCC 10 5 ELECTRICAL CHARACTERISTICS (Ta=25C , unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS VCC=4.5V, VIN=0V ,IOUT=30mA VCC=4.5V, VIN=2.4V ,IOUT=-30mA VCC=4.5V, VIN=4.5V ,IOUT=-30mA VCC=3V, VIN=0V ,IOUT=24mA VCC=3V, VIN=3V ,IOUT=-24mA VCC=2.3V, VIN=0V ,IOUT=8mA VCC=2.3V, VIN=2.3V ,IOUT=-8mA VCC=1.65V, VIN=0V ,IOUT=4mA VCC=1.65V, VIN=1.65V ,IOUT=-4mA VCC=4.5V, VBN=3.15V, IA=-30mA VCC=3V, VBN=2.1V, IA=-24mA VCC=2.3V, VBN=1.6V, IA=-8mA VCC=1.65V, VBN=1.15V, IA=-4mA VCC=0 to 5.5V, 0VIN5.5V VCC=1.65 to 5.5V, 0A,BVCC VCC=5.5V, VIN=VCC or GND, IOUT=0 VCC= VCC, VIN=VCC or GND MIN TYP MAX UNIT 3.0 7.0 5.0 12.0 7.0 15.0 4.0 9.0 10.0 20.0 5.0 12.0 13.0 30.0 6.5 20.0 17.0 50.0 0.15 0.2 0.5 0.5 0.1 A 0.1 A 1 A VCC V Switch On Resistance RON On Resistance Match Between Channel Input Leakage Current Off State Leakage Current Quiescent Supply Current Analog Signal Range RON II(LEAK) IOFF IQ 0 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 5 QW-R502-358.A U74LVC3157 SWITCHING CHARACTERISTICS (see TEST CIRCUIT AND WAVEFORMS) PARAMETER Propagation Delay Bus to Bus(Note) SYMBOL tPLH tPHL TEST CONDITIONS VCC=1.65 ~ 1.95V, CL=50 pF, RL=500 VCC=2.3 ~ 2.7V, CL=50 pF, RL=500 VCC=3.0 ~ 3.6V, CL=50 pF, RL=500 VCC=4.5 ~ 5.5V, CL=50 pF, RL=500 VCC=1.65 ~ 1.95V, CL=50 pF, RL=500 VCC=2.3 ~ 2.7V, CL=50 pF, RL=500 VCC=3.0 ~ 3.6V, CL=50 pF, RL=500 VCC=4.5 ~ 5.5V, CL=50 pF, RL=500 VCC=1.65 ~ 1.95V, CL=50 pF, RL=500 VCC=2.3 ~ 2.7V, CL=50 pF, RL=500 VCC=3.0 ~ 3.6V, CL=50 pF, RL=500 VCC=4.5 ~ 5.5V, CL=50 pF, RL=500 MIN CMOS IC Output Enable Time Turn-On Time (A to BN) tPZL tPZH Output Enable Time Turn-Off Time (A to BN) Note: Guaranteed by design. tPHZ tPLZ 7.0 3.5 2.5 1.7 3.0 2.0 1.2 0.8 TYP MAX UNIT 3.5 ns 1.2 ns 0.8 ns 0.3 ns 23.0 ns 13.0 ns 6.9 ns 5.2 ns 12.5 ns 7.0 ns 5.0 ns 3.5 ns OPERATING CHARACTERISTICS (Ta=25) PARAMETER Control Pin Input Capacitance B Port Off Capacitance A Port Capacitance When Switch Is Enabled SYMBOL CIN CIO-B CIOA-ON TEST CONDITIONS VCC=0V VCC=5.0V VCC=5.0V MIN TYP MAX UNIT 2.3 pF 6.5 pF 18.5 pF UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 5 QW-R502-358.A U74LVC3157 TEST CIRCUIT AND WAVEFORMS CMOS IC VCC Control Input 50% tPZL 50% 0V tPLZ VOH Output tPZH Output 50% 50% tPHZ VOH VOH-0.3V VOL VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES VOL+0.3V VOL Note: CL includes probe and jig capacitance. PRR 1MHz, ZO = 50, tr 2.5ns, tf 2.5ns. UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 5 QW-R502-358.A |
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