What are the primary applications for the ET3157?

It is commonly used for switching NTSC/PAL video, audio signals, SPDIF, and HDTV data paths.

What is the significance of the over-voltage protection on the select terminal?

It allows the select input voltage to reach up to 7V, even if the supply voltage (VCC) is lower, preventing damage to the pin.

What are the key electrical specifications?

It operates from 1.65V to 5.5V, features a 350MHz bandwidth, and has a maximum on-resistance of 50 ohms.

What should be considered during PCB design?

Ensure the select terminal is tied to a high or low logic level; it must not be left floating to avoid unpredictable switching behavior.

What should sourcing teams check before buying ET3157?

Check lifecycle (Active), compliance data, distributor availability, and approved-source coverage. Current sourcing signal: Low; readiness: easy.

ET3157 Datasheet, Alternatives & Specs | UMW(友台半导体)

AI summary

The ET3157 is a high-speed, low-power 2:1 analog switch in an SC70-6 package, ideal for routing video, audio, and data signals.

Best for

Video signal routing
Audio path switching
Low-power data selection

Avoid if

High-current power switching
Applications requiring extremely low on-resistance

Check before use

Logic level compatibility
Signal bandwidth requirements

Key specifications

Supply Voltage: 1.65V - 5.5V
Bandwidth: 350MHz
On-Resistance: 50Ω (max)
Operating Temp: -55°C to +125°C

Compliance & Environment

RoHS: RoHS

Application

Consumer ElectronicsAudio/Video Systems

Datasheet

2208251500_UMW-Youtai-Semiconductor-Co---Ltd--ET3157_C2904735.pdf

800 KB

Datasheet AI

CAD Models

EDA symbol, PCB footprint, and 3D model for this component. Supported tools include Altium, KiCad, Eagle, and more.

EDA Symbol

Schematic symbol for your EDA tool

Get Files

PCB Footprint

Land pattern for PCB layout

Get Files

3D Model

STEP file for mechanical design

Get Files

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The ET3157 is a CMOS-based analog switch designed for 2:1 signal routing, offering low power consumption and low transmission delay.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Alternative components

Design and risk insights

Questions & answers

What is the ET3157?+×

What are the primary applications for the ET3157?+×

What is the significance of the over-voltage protection on the select terminal?+×

What are the key electrical specifications?+×

What should be considered during PCB design?+×

What should sourcing teams check before buying ET3157?+×