FSA550UCX - onsemi

Manufacturer Part Number

FSA550UCX

Manufacturer

onsemi

Introduction

The FSA550UCX is an audio-specific interfacing analog switch designed for audio applications, providing switching control within electronic devices.

Product Features and Performance

Audio-specific interfacing switch

Low on-state resistance of 800mOhm typical

Single voltage supply ranging from 1.6V to 3V

High -3db bandwidth at 50MHz for audio signal fidelity

Operational temperature range from -40°C to 85°C

Surface mount technology (SMT) suitable for modern PCB design

Product Advantages

Specifically tailored for audio applications

Low power consumption for battery-driven devices

Compact 12-UFBGA, WLCSP for space-constrained designs

Key Technical Parameters

4PST switch circuit configuration

One multiplexing channel

Voltage - Supply, Single (V+): 1.6V ~ 3V

Maximum on-state resistance: 800mOhm

-3db bandwidth of 50MHz

Quality and Safety Features

Built to operate reliably in temperatures ranging from -40°C to 85°C

Compatibility

Designed for surface mounting to enable integration into various circuit designs

Application Areas

Designed primarily for use in audio circuitry and devices

Product Lifecycle

Obsolete - Not recommended for new designs

Potential for replacement or upgrade options for new applications

Several Key Reasons to Choose This Product

Custom built for audio device integration

Low-resistance path preserves signal quality

High bandwidth supports a broad range of audio frequencies

Ideal for power-sensitive applications due to single-supply voltage

The compact package is suitable for space-constrained devices

Recognized manufacturer with a reputation for quality in electronic components