User guide
MAX9750/MAX9751/MAX9755
2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
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CODEC
MAX4060
AUX_IN
BIAS
IN+
IN-
OUT
3V TO 5.5V
MAX9750
INR
4.5V TO 5.5V 3V TO 5.5V
INL
CPV
DD
BIAS
BEEP
1µF
0.1µF
1µF
1µF
1µF
1µF
1µF
1µF
1µF
1µF
1µF
µC
2kΩ
2kΩ
C1P
C1N
GND PGND
SHDN
OUTL+
OUTL-
VOL
CPV
SS
V
SS
CPGND
OUTR+
GAIN1
GAIN2
OUTR-
HPS
HPOUTL
HPOUTR
V
DD
HPV
DD
PV
DD
10µF
HPV
DD
33kΩ
System Diagrams