UNISONIC TECHNOLOGIES CO., LTD U74LVC3157 CMOS IC 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. FEATURES * Useful in Both Analog and Digital Applications * Rail-to-Rail Signal Handing * Low ON Resistance:<10Ω on Typical @ 3.3V VCC * Broad VCC Operating Range:1.65V to 5.5V * Over-Voltage Tolerance of Control Input to 7.0V ORDERING INFORMATION Ordering Number U74LVC3157G-AL6-R Package SOT-363 Packing Tape Reel MARKING www.unisonic.com.tw Copyright © 2010 Unisonic Technologies Co., Ltd 1 of 5 QW-R502-358.C U74LVC3157 CMOS IC PIN CONFIGURATION FUNCTION TABLE INPUT(S) L H H=High Level L=Low Level OUTPUT(Y) B0 Connected to A B1 Connected to A LOGIC DIAGRAM B1 A S B0 Logic Symbol UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw Analog Symbol 2 of 5 QW-R502-358.C U74LVC3157 CMOS IC ABSOLUTE MAXIMUM RATING 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 θJA UNIT °C/W RECOMMENDED OPERATING CONDITIONS PARAMETER Supply Voltage Control Input Voltage Switch Input Voltage Output Voltage SYMBOL VCC VIN VIN VOUT TEST CONDITIONS (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 Δt VCC=2.3V~3.6V Input Rise or Fall Times ΔV Control Input VCC=4.5V~5.5V Note: Control input must be held HIGH or LOW; it must not float RATINGS 270 MIN 1.65 0 0 0 0.75×VCC 0.7×VCC TYP MAX 5.5 VCC VCC VCC 0.25×VCC 0.3×VCC UNIT V V V V V V V V 10 ns/V 5 ns/V ELECTRICAL CHARACTERISTICS (Ta=25°C , unless otherwise specified) PARAMETER SYMBOL Switch On Resistance RON On Resistance Match Between Channel ΔRON Input Leakage Current Off State Leakage Current Quiescent Supply Current Analog Signal Range II(LEAK) IOFF IQ 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, 0≤VIN≤5.5V VCC=1.65 to 5.5V, 0≤A,B≤VCC VCC=5.5V, VIN=VCC or GND, IOUT=0 VCC= VCC, VIN=VCC or GND UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 0 TYP MAX UNIT 3.0 7.0 Ω 5.0 12.0 Ω 7.0 15.0 Ω 4.0 9.0 Ω 10.0 20.0 Ω 5.0 12.0 Ω 13.0 30.0 Ω 6.5 20.0 Ω 17.0 50.0 Ω 0.15 Ω 0.2 Ω 0.5 Ω 0.5 Ω ±0.1 μA ±0.1 μA 1 μA VCC V 3 of 5 QW-R502-358.C U74LVC3157 CMOS IC SWITCHING CHARACTERISTICS (see TEST CIRCUIT AND WAVEFORMS) PARAMETER SYMBOL Propagation Delay Bus to Bus(Note) tPLH tPHL CL=50 pF, RL=500Ω Output Enable Time Turn-On Time (A to BN) tPZL tPZH CL=50 pF, RL=500Ω Output Enable Time Turn-Off Time (A to BN) tPHZ tPLZ CL=50 pF, RL=500Ω TEST CONDITIONS VCC=1.65 ~ 1.95V VCC=2.3 ~ 2.7V VCC=3.0 ~ 3.6V VCC=4.5 ~ 5.5V VCC=1.65 ~ 1.95V VCC=2.3 ~ 2.7V VCC=3.0 ~ 3.6V VCC=4.5 ~ 5.5V VCC=1.65 ~ 1.95V VCC=2.3 ~ 2.7V VCC=3.0 ~ 3.6V VCC=4.5 ~ 5.5V MIN 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 Note: Guaranteed by design. DYNAMIC CHARACTERISTICS (Ta=25°С) PARAMETER SYMBOL Bandwidth BW OFF Isolation OISO Crosstalk XTALK Total Harmonic Distortion THD TEST CONDITIONS VCC=1.8V VCC=2.3V RL=50Ω, Switch ON VCC=3.0V, VCC=4.5V VCC=1.8V, VCC=2.3V RL=50Ω, f=10MHz,Switch OFF VCC=3.0V VCC=4.5V VCC=1.8V VCC=2.3V RL=50Ω, f=10MHz,Switch ON VCC=3.0V VCC=4.5V VCC=1.8V VCC=2.3V RL=600Ω,CL=50pF, f=600Hz~20KHz VCC=3.0V VCC=4.5V MIN TYP MAX UNIT 220 MHz 220 MHz 220 MHz 220 MHz -60 dB -65 dB -65 dB -65 dB -66 dB -66 dB -66 dB -66 dB 0.015 % 0.025 % 0.015 % 0.01 % MIN OPERATING CHARACTERISTICS (Ta=25°С) PARAMETER Control Pin Input Capacitance B Port Off Capacitance A Port Capacitance When Switch Is Enabled SYMBOL CIN CIO-B VCC=0V VCC=5.0V TEST CONDITIONS TYP MAX UNIT 2.3 pF 6.5 pF CIOA-ON VCC=5.0V 18.5 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw pF 4 of 5 QW-R502-358.C U74LVC3157 CMOS IC TEST CIRCUIT AND WAVEFORMS VCC Control Input 50% 50% 0V tPZL tPLZ VOH 50% Output VOL+0.3V VOL tPHZ tPZH Output 50% VOH VOH-0.3V VOL VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES Note: CL includes probe and jig capacitance. PRR ≤1MHz, ZO = 50Ω, 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.C