FSA321UMX - onsemi

Manufacturer Part Number

FSA321UMX

Manufacturer

onsemi

Introduction

The FSA321UMX is an interface analog switch specially designed for audio and USB applications.

Product Features and Performance

DPDT switch circuit

Single channel configuration

Supports USB 2.0

High bandwidth with -3db Bandwidth at 720MHz

Designed for surface mount technology

Low on-state resistance for audio at 2.7Ohm

Higher on-state resistance for USB at 11Ohm

Product Advantages

Optimized for low-voltage operation ranging from 1.8V to 4.3V

Compact 10-UFQFN package conducive to space-sensitive designs

Enhanced signal integrity for audio and USB signals

High integration suited for consumer electronic devices

Key Technical Parameters

On-State Resistance (Max): 2.7Ohm (Audio), 11Ohm (USB)

Voltage - Supply, Single (V+): 1.8V ~ 4.3V

-3db Bandwidth: 720MHz

Operating Temperature Range: -40°C ~ 85°C

Quality and Safety Features

Operates reliably across a wide range of temperatures

Manufactured by onsemi, a trusted leader in semiconductor solutions

Compatibility

Specially crafted for audio and USB applications requiring high-bandwidth switching

Mountable on various PCB designs due to its surface mount package

Application Areas

Consumer electronics

Portable audio devices

USB interface systems

Product Lifecycle

Obsolete status indicating discontinuation

Potential for the availability of replacements or upgrades upon inquiry

Several Key Reasons to Choose This Product

High-performance analog switch for enhanced signal fidelity

Ultra-low on-state resistance for efficient signal transmission

Robust temperature range offering reliability in various environments

Compact form factor for space-constrained applications

Directly supported by onsemi, ensuring quality and integrity