Datasheet > FSA800

FSA800

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	600K
描述
USB2.0 High-Speed (480Mbps), UART, and Audio Switch with Negative Signal Capability

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FSA800 数据手册

November 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. 1.0.2

www.fairchildsemi.com

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FSA800_09	FAIRCHILD	获取价格	USB2.0 High-Speed (480Mbps), UART, and Audio Switch with Negative Signal Capability
FSA8008A	FAIRCHILD	获取价格	Audio Jack Detection and Configuration Switch
FSA8008AUMX	FAIRCHILD	获取价格	Audio Jack Detection and Configuration Switch
FSA8008AUMX	ONSEMI	获取价格	音频插孔检测和配置开关
FSA8008UMX	FAIRCHILD	获取价格	Audio Jack Detection and Configuration Switch
FSA8008UMX	ONSEMI	获取价格	Audio Jack Detection and Configuration Switch, UMLP 1.4x1.8 10L, 15000-TAPE REEL
FSA8009	FAIRCHILD	获取价格	Audio Jack Send / End Detection with MIC / Video Switch
FSA8009UMX	FAIRCHILD	获取价格	Audio Jack Send / End Detection with MIC / Video Switch
FSA8009UMX	ONSEMI	获取价格	带MIC/视频开关的自动插孔发送/结束检测
FSA800UMX	FAIRCHILD	获取价格	USB2.0 High-Speed (480Mbps), UART, and Audio Switch with Negative Signal Capability