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参数资料
| 型号： | FSA8009UMX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC AUDIO JACK DETECTOR/SW 10UMLP |
| 标准包装： | 1 |
| 类型： | 音频插孔探测器，带视频开关 |
| 应用： | MP3 播放器，便携式媒体播放器 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-UFQFN |
| 供应商设备封装： | 10-uMLP（1.4x1.8） |
| 包装： | 标准包装 |
| 其它名称： | FSA8009UMXDKR |
March 2013
2010 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSA8009 Rev. 1.0.2
FSA80
09
–
Audio
Jack
Send
/End
Detection
with
MIC
/Video
Switch
FSA8009
Audio Jack Send / End Detection with MIC / Video Switch
Features
Detection
Accessory Plug-In
3- or 4-Pole Audio Jack
Send / End Key Pressed
Switch Type
Microphone & Video
VDD
2.5 to 4.3 V
THD (MIC)
0.01% Typical
ESD (Air Gap)
16 kV
Operating Temperature
-40°C to 85°C
Package
10-Lead UMLP
1.4x1.8x0.5 mm, 0.4 mm
Pitch
Top Mark
KP
Ordering Information
FSA8009UMX
Applications
3.5 mm and 2.5 mm Audio Jacks
Cellular Phones, Smartphones
MP3 and PMP
Description
The FSA8009 is an audio jack microphone / video switch for
3- or 4-pole accessories with send / end (S/E) detection. In
addition to detection, the FSA8009 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.
Determines When Send / End Button Key is Pressed
Integrates a MIC / Video Switch for 4-Pole Configuration
Reduces Pop / Click Caused by Microphone Bias
Related Resources
For samples and questions, please contact:
Analog.Switch@fairchildsemi.com.
FSA8009 Demonstration Board
Typical Application
Figure 1. Mobile Phone Example
Baseband
Processor
Audio
CODEC
MIC
MIC Bias
MIC
L SPKR
R SPKR
GPIO1
J_MIC
GND
S/E
GPIO2
EN
RMIC
CMIC
1 2 3 4
GPIO3
16
-3
2
L R GND MIC
16
-3
2
NC,
S
/E
Ke
y
GPIO
VIO
VDD
2.8V
VID
Applications
Processor
Video Out
Enable
+
-
SEL
REF
R_VDD
VIO
TTL Level Input
Open Drain Output
10K
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