FAB2210 Datasheet, PDF (2/35 Pages) Fairchild Semiconductor – Audio Subsystem with Class-G Headphone and 3.3W Mono Class-D Speaker with Dynamic Range Compression

Pin Configuration
Figure 2. Pin Assignments, Top View (Bump Side Down)
Pin Definitions
Pin # Name
Type
Description
A2 SVDD Power Input Power supply for Class-D amplifier
C1 SGND Power Input Class-D amplifier ground
C2 DVDD Power Input Power supply for charge pump
A3 DGND Power Input Headphone amplifier ground
C3
HVDD
Power Output
Charge pump output; positive power supply for headphone amplifier, input
preamplifiers, and mixers
C4 HVSS Power Output Charge pump output; negative mirror of HVDD
B4
CP+
Power Charge pump flying capacitor positive terminal
A4
CP-
Power Charge pump flying capacitor negative terminal
E3
NC
No Connect No connect can be tied to SGND for additional thermal dissipation
D1
INA1
Input
Single-ended line level audio input A1 (or non-inverting differential input INA+)
E1
INA2
Input
Single-ended line level audio input A2 (or inverting differential input INA-)
D2
INB1
Input
Single-ended line level audio input B1 (or non-inverting differential input INB+)
E2
INB2
Input
Single-ended line level audio input B2 (or inverting differential input INB-)
E4 HOUTL
Output Left headphone amplifier output
D4 HOUTR
Output Right headphone amplifier output
D3 HSENSE
Input
Sense ground; connect to DGND close to shield terminal of headphone jack
A1 SOUT+
Output Positive Class-D amplifier output
B1 SOUT-
Output Negative Class-D amplifier output
B3
SCL
Input
I²C clock input
B2
SDA
Bidirectional I²C data I/O
© 2011 Fairchild Semiconductor Corporation
FAB2210 • Rev. 1.1.1
2
www.fairchildsemi.com