FAB2200 Datasheet, PDF (3/33 Pages) Fairchild Semiconductor – Audio Subsystem with Stereo Class-G Headphone Amplifier and 1.2W Mono Class-D Speaker Amplifier

Pin Configuration
Figure 2. Top-View (Bump-Side Down)
Pin Definitions
WLCSP Name
Description
C1
VBATT Power supply for speaker amplifier
B2
PGND Charge pump ground
C2
PGND Power ground
C3
AGND Analog ground
B1
VREG Charge pump regulator – do not connect to an external power supply
A3
CPV_DD Charge pump output – positive power supply for headphone amplifier
A4
CPV_SS Charge pump output – negative mirror of CPV_DD
A1
CFP Charge pump flying capacitor positive terminal
A2
CFN Charge pump flying capacitor negative terminal
D5
IN1 Line level audio input
E5
IN2 Line level audio input
D4
IN3 Line level audio input
E4
IN4 Line level audio input
B5
HPL Left headphone output
A5
HPR Right headphone output
C5
SGND Sense ground – connect to AGND close to shield terminal of headphone jack
E1
SPKRP Positive speaker output
D1
SPKRN Negative speaker output
D3
BYPIN1 Analog bypass switch input
E3
BYPIN2 Analog bypass switch input
D2 BYPOUT1 Analog bypass switch output
E2 BYPOUT2 Analog bypass switch output
C4
SDB Shutdown control
B4
SCL I²C clock input
B3
SDA I²C data I/O
Type
Power
Power
Power
Power
Power
Power
Power
Power
Power
Input
Input
Input
Input
Output
Output
Input
Output
Output
Input
Input
Output
Output
Input
Input
Bi-directional
© 2009 Fairchild Semiconductor Corporation
FAB2200 • Rev. 1.0.1
3
www.fairchildsemi.com