Datasheet > FSA801

FSA801

更新时间： 2024-10-02 11:59:15

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		开关
页数	文件大小	规格书
12页	581K
描述
USB2.0 High-Speed (480 Mbps), UART, and Audio Switch with Negative Signal Capability

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FSA801 数据手册

November 2012

FSA801 — USB2.0 High-Speed (480 Mbps), UART, and

Audio Switch with Negative Signal Capability

Features

Description

The FSA801 is a 3:1 USB accessory switch that enables

USB data, stereo and mono audio, microphone, and

UART data to share a common connector port. Two

ports are designed for high-speed USB 2.0 signaling,

while also capable of full-speed USB and UART

communication. The architecture allows audio signals to

swing below ground so a common USB and headphone

jack can be used for personal media players and

portable peripheral devices.

3:1 Switch Handles:

Audio Headsets

UART

Up to Two High- and Low-Speed USB Data

USB Charger Detection and Indication, Compliant

with USB Battery Charging Specification, Rev 1.1

Supports Data Contact Detect (DCD)

Negative-Swing-Capable Audio Channel

FSA801 detects wall chargers through a dedicated pin

that provides the baseband with charger detection. The

charger function is compliant with USB Battery Charging

Specification, Rev 1.1, implementing Data Contact Detect

(DCD) before detecting a charger. The FSA801 indicates

if a Dedicated Charging Port (DCP) or a Charging

Downstream Port (CDP) has been connected.

Built-in Termination Resistors for Audio Pop

Reduction

Simple Switch Control Using Three Select Pins

28 V Over-Voltage Tolerance on V_BUS

The FSA801 meets both USB Rev. 2.0 and micro-USB

specifications.

Applications

Cell Phones, MP3 Players, PDAs

Ordering Information

Operating

Temperature Range

Part Number

Top Mark

Package

16-Lead Quad, 1.8 x 2.6 mm Ultrathin Molded

Leadless Package (UMLP)

FSA801UMX

-40 to +85°C

Figure 1. Typical Application

FSA801 • Rev.1.0.3

www.fairchildsemi.com

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