Datasheet > FSA805

FSA805

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
2页	211K
描述
USB2.0 High-Speed (480Mbps), UART, and Audio Switch with Negative Signal Capability

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FSA805 数据手册

March 2010

FSA805 — USB2.0 High-Speed (480Mbps), UART, and

Audio Switch with Negative Signal Capability

Features

Description

The FSA805 is a 3:1 USB accessory switch that

enables USB data, stereo/mono audio, 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

(to -0.8V) 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 2 High-Full and Low-Speed USB Data

Negative-Swing-Capable Audio Channel

Built-in Termination Resistors for Audio Pop

Reduction

The FSA805 meets both USB Rev. 2.0 and micro-USB

specifications.

Simple Switch Control Using Two Select Pins

Applications

Cell Phones, MP3 Players, PDAs

Ordering Information

Operating

Temperature Range

Part Number

Top Mark

Package

Eco Status

FSA805UMX

-40 to +85°C

Green

12-Lead Quad, UMLP, 1.8x1.8mm

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

VCC

FSA805

R_HOST

L_HOST

3:1

RxD_HOST

MUX

TxD_HOST

and

DP_CON

Charge

Pump

DM_CON

DP_HOST

DM_HOST

GND

SEL[0]

Switch

SEL[1]

Control

Figure 1. Functional Block Diagram

FSA805 • Rev. 1.0.0

www.fairchildsemi.com

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