Datasheet > FSA800UMX

FSA800UMX

更新时间： 2024-10-02 07:00:15

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		开关
页数	文件大小	规格书
2页	432K
描述
USB2.0 High-Speed (480Mbps), UART, and Audio Switch with Negative Signal Capability

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FSA800UMX 数据手册

September 2009

FSA800 — USB2.0 High-Speed (480Mbps), UART, and

Audio Switch with Negative Signal Capability

Features

Description

The FSA800 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. It is designed for high-speed USB 2.0

signaling. The architecture is designed to allow 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

High- and Low-Speed USB Data

USB Charger Detection and Indication

Negative-Swing-Capable Audio Channel

Built-in Termination Resistors for Audio Pop

Reduction

FSA800 detects wall chargers through a dedicated pin

that provides the baseband with charger detection.

Simple Switch Control Using Three Select Pins

28V Over-Voltage Tolerance on V_BUS

The FSA800 meets both USB Rev. 2.0 and micro-USB

specifications.

Applications

IMPORTANT NOTE:

For additional performance information, please contact

analogswitch@fairchildsemi.com.

Cell Phones, MP3 Players, PDAs

Ordering Information

Operating

Temperature Range

Top

Mark

Part Number

Package

Eco Status

FSA800UMX

-40 to +85°C

Green

16-Lead Quad, UMLP, 1.8 x 2.6mm

For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.

FSA800

VCC

MIC_HOST

R_HOST

L_HOST

V_BUS

OVT

3:1

MUX

and

Charge

Pump

RxD_HOST

TxD_HOST

DP_CON

DM_CON

DP_HOST

DM_HOST

Charger

Detect

SEL[0]

SEL[1]

SEL[2]

Switch

Control

CD_N

GND

Figure 1. Functional Block Diagram

FSA800 • Rev. 1.0.0

www.fairchildsemi.com

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