Datasheet > FSA8029

FSA8029

更新时间： 2024-11-24 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
3页	478K
描述
Audio Jack Send / End Detection with MIC / Video Switch

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FSA8029 数据手册

March 2012

FSA8029

Audio Jack Send / End Detection with MIC / Video Switch

Description

Features

The FSA8029 is an audio jack microphone / video switch for

3- or 4-pole accessories with send / end (S/E) detection. In

addition to detection, the FSA8029 features an integrated

microphone / video switch that allows the processor to

configure the audio jack. The architecture is designed to

allow common third-party headphones to be used for

listening to music from mobile handsets, personal media

players, and portable peripheral devices.

Accessory Plug-In

3- or 4-Pole Audio Jack

Send / End Key Pressed

Detection

Switch Type

V_DD

Microphone & Video

2.5 to 4.3V

THD (MIC)

0.01% Typical

16kV

ESD (Air Gap)

Operating Temperature

. Determines when Send / End Button Key is Pressed

. Integrates a MIC / Video Switch for 4-Pole Configuration

. Reduces Pop / Click Caused by Microphone Bias

-40°C to 85°C

10-Lead UMLP

1.4x1.8x0.5mm, 0.4mm Pitch

Package

Top Mark

Ordering Information

FSA8029UMX

Related Resources

. For samples and questions, please contact:

Applications

Analog.Switch@fairchildsemi.com.

. FSA8029 Demonstration Board

. 3.5mm and 2.5mm Audio Jacks

. Cellular Phones, Smartphones

. MP3 and PMP

Typical Application

Baseband

Processor

VIO

GPIO

2.8V

VIO VIO

VDD

R_VDD

Open Drain Output

Enable

S/E1

S/E2

SEL

REF

GPIO1

Open Drain Output

GPIO2

R GND MIC

TTL Level Input

GPIO3

2 3 4

Audio

CODEC

0.07x

VDD

R_MIC

MIC

VID

MIC Bias

J_MIC

MIC

L SPKR

C_MIC

GND

R SPKR

Applications

Processor

Video Out

Figure 1. Mobile Phone Example

FSA8029 • Rev. 1.0.1

www.fairchildsemi.com

12 3

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与FSA8029相关器件

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FSA8039AUMSX	ONSEMI	获取价格	Audio Jack Interface Solution with Moisture Sensing
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FSA8049	FAIRCHILD	获取价格	New Products, Tips and Tools for Power and Mobile Applications
FSA8049UCX	FAIRCHILD	获取价格	Audio Jack Detection and Configuration, MIC / GND Cross Point Switch
FSA8049UCX	ONSEMI	获取价格	音频插孔检测和配置，MIC / GND 交点开关
FSA805	FAIRCHILD	获取价格	USB2.0 High-Speed (480Mbps), UART, and Audio Switch with Negative Signal Capability
FSA8058	FAIRCHILD	获取价格	Audio Jack Detection and Configuration Switch with Moisture Sensing
FSA8058UMX	ONSEMI	获取价格	Audio Jack Detection and Configuration Switch with Moisture Sensing, 5000-REEL