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SN74LVC1G3157DBVR

SN74LVC1G3157DBVR

UMW
1 Circuit IC Switch 2:1 7Ohm SOT-23-6
Active8,455 in stock
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Overview

The SN74LVC1G3157DBVR is a high-speed, low-voltage SPDT (Single-Pole Double-Throw) analog switch designed to operate with a single supply voltage between 1.65V and 5.5V. It functions as a 2:1 multiplexer or demultiplexer, offering a high bandwidth of 350MHz and a low on-state resistance of 7 ohms. This CMOS device provides a break-before-make feature to prevent signal shorting during switching transitions.

Why Choose This Part

This component features an extremely fast switching time, with a maximum Ton of 5.2ns and Toff of 3.5ns, ensuring minimal latency in signal paths. Its low channel capacitance of 2.3pF and high bandwidth of 350MHz allow for high-speed data transmission with minimal signal degradation. The small SOT-23-6 package footprint combined with low power consumption makes it ideal for battery-powered mobile applications.

Applications

Audio Signal Routing
Switching between different audio sources or outputs in portable electronics due to high linearity and low distortion.
Video Signal Switching
Routing NTSC/PAL, HDTV, or VGA video signals in space-constrained multimedia systems.
Clock Selection
Selecting between two different clock sources for microcontrollers or digital signal processors.
Sensor Multiplexing
Allowing a single ADC channel to sample from two different analog sensors sequentially.

Key Specifications

Crosstalk -54dB @ 10MHz
Mounting Type Surface Mount
Package / Case SOT-23-6
Switch Circuit SPDT
Charge Injection 7pC
Number of Circuits 1
Operating Temperature -55degC ~ 125degC (TA)
Supplier Device Package SOT-23-6
On-State Resistance (Max) 7Ohm
Switch Time (Ton, Toff) (Max) 5.2ns, 3.5ns
Voltage - Supply, Single (V+) 1.65V ~ 5.5V
Current - Leakage (IS(off)) (Max) 100nA
Multiplexer/Demultiplexer Circuit 2:1
Channel Capacitance (CS(off), CD(off)) 2.3pF, -
Channel-to-Channel Matching (ΔRon) 150mOhm

Getting Started

To implement this switch, ensure the control pin (S) is driven to a valid logic level corresponding to the VCC supply voltage. Use decoupling capacitors near the VCC pin to minimize noise, especially in high-speed switching applications. For prototyping, this SOT-23-6 part can be used on standard breakout boards or integrated into a PCB using common SMD soldering techniques.

Part of 74LVC Logic family » SN74LVC1G3157

SN74LVC1G3157 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Temp Range On-State Resistance (Max) Switch Time (Ton, Toff) (Max) Current - Leakage (IS(off)) (Max) Channel Capacitance (CS(off), CD(off)) Stock
SN74LVC1G3157DBVR (this part) 6-23 -55degC ~ 125degC .. 7Ohm 5.2ns, 3.5ns 100nA 2.3pF, - 8,455
SN74LVC1G3157DCKR (Texas Instruments) TSSOP-6 -40degC ~ 125degC .. 15Ohm 5.7ns, 3.8ns 1uA 5.2pF 376,641

Also Consider

SN74LVC1G3157DCKR TITexas Instruments - Industry standard version in a smaller SC-70-6 package for further space savings.