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参数资料
| 型号： | FSA8049UCX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 2/8页 |
| 文件大小： | 0K |
| 描述： | IC AUDIO JACK DETECT SW 9-WLCSP |
| 标准包装： | 1 |
| 类型： | 音频插孔探测器和配置开关 |
| 应用： | MP3 播放器，便携式媒体播放器 |
| 安装类型： | * |
| 封装/外壳： | * |
| 供应商设备封装： | * |
| 包装： | 标准包装 |
| 其它名称： | FSA8049UCXFSDKR |
2011 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSA8049 Rev. 1.0.2
2
FSA8049
—
Audio
Jack
Detect
ion
and
Confi
guration,
MIC/GND
Cr
oss
point
Switch
Pin Configuration
M3 = FSA8049UCX Product Identifier
KK = Lot Run Trace Code
X
= Year
Y
= Work Week
Z
= Assembly Site (P= Penang, Malaysia)
●
= Pin 1 Indicator
Figure 2. Pin Assignments
Figure 3. Top Mark
Pin Descriptions
Name
Ball
Type
Description
VDD
A1
Power
Supply voltage
GNDA
A2
GND
Switch Ground
(1)
GND/MIC1
A3
I/O
Switch connects to audio jack
MIC
B1
I/O
Switch connects to audio subsystem microphone pre-amplifier
GNDA
B2
GND
Switch Ground
(1)
GND/MIC2
B3
I/O
Switch connects to audio jack
EN
C1
Input
Enable (0=VIL, 1=VIH)
0 Disabled
1 Enabled
CEXT
C2
Input
External capacitor for switch slow tON/OFF timing
GND
C3
GND
Device Ground
(1)
Note:
1.
GND and GNDA can be shorted together if the system does not utilize an FM antenna on the handset ground. If the
system utilizes an FM antenna on the handset ground; separate GND and GNDA, place the FM-decoupling inductor and
capacitor on GNDA only, and connect GND to a low-impedance path to battery ground.
States of Pins after Audio Jack Detection
State of pins GND/MIC1, GND/MIC2, and MIC after detection time (tDET) is complete.
GND/MIC1
GND/MIC2
Switch Configuration
Accessory Connected
0 (GND)
GND/MIC1=GND, GND/MIC2=GND, MIC=GND 3-Pole Headphones
0 (GND)
1 (MIC Attached)
GND/MIC1=GND, GND/MIC2=MIC
4-Pole Headset with Microphone
1 (MIC Attached)
0 (GND)
GND/MIC1=MIC, GND/MIC2=GND
4-Pole Headset with Microphone
Top View
Bottom View
1
3
2
A
B
C
GNDA
VDD
GND
CEXT
EN
GNDA
MIC
GND/
MIC1
GND/
MIC2
GNDA
/
GND/
MIC1
GNDA
GND/
MIC2
CEXT
GND
A
B
C
1
2
3
VDD
EN
MIC
Pin Assignments , Top Through View
Pin Assignments Bottom View
Top Mark Side
Bump Side
VDD
GNDA
GND/
MIC1
MIC
GNDA
GND/
MIC 2
EN
CEXT
GND
A
B
C
12
3
M3 KK
X Y Z
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