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参数资料
| 型号： | FAB2200UCX |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA25 |
| 封装： | 0.40 MM PITCH, WLCSP-25 |
| 文件页数： | 23/33页 |
| 文件大小： | 948K |
| 代理商： | FAB2200UCX |
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2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAB2200 Rev. 1.0.1
3
FAB2200
—
Audio
Subsystem
with
St
ereo
Class-G
Headph
on
eAmplifier
Pin Configuration
Figure 2. Top-View (Bump-Side Down)
Pin Definitions
WLCSP
Name
Description
Type
C1
VBATT
Power supply for speaker amplifier
Power
B2
PGND
Charge pump ground
Power
C2
PGND
Power ground
Power
C3
AGND
Analog ground
Power
B1
VREG
Charge pump regulator – do not connect to an external power supply
Power
A3
CPVDD
Charge pump output – positive power supply for headphone amplifier
Power
A4
CPVSS
Charge pump output – negative mirror of CPVDD
Power
A1
CFP
Charge pump flying capacitor positive terminal
Power
A2
CFN
Charge pump flying capacitor negative terminal
Power
D5
IN1
Line level audio input
Input
E5
IN2
Line level audio input
Input
D4
IN3
Line level audio input
Input
E4
IN4
Line level audio input
Input
B5
HPL
Left headphone output
Output
A5
HPR
Right headphone output
Output
C5
SGND
Sense ground – connect to AGND close to shield terminal of headphone jack
Input
E1
SPKRP
Positive speaker output
Output
D1
SPKRN
Negative speaker output
Output
D3
BYPIN1
Analog bypass switch input
Input
E3
BYPIN2
Analog bypass switch input
Input
D2
BYPOUT1 Analog bypass switch output
Output
E2
BYPOUT2 Analog bypass switch output
Output
C4
SDB
Shutdown control
Input
B4
SCL
I
2C clock input
Input
B3
SDA
I
2C data I/O
Bi-directional
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