User guide

MAX9750/MAX9751/MAX9755
2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
28 ______________________________________________________________________________________
CODEC
MAX4060
AUX_IN
BIAS
IN+
IN-
OUT
3V TO 5.5V
MAX9751
INL2
4.5V TO 5.5V 3V TO 5.5V
INL1
CPV
DD
0.1µF
1µF
1µF
1µF
1µF
1µF
1µF
1µF
µC
2kΩ
2kΩ
C1P
C1N
GND PGND
SHDN
OUTL+
OUTL-
OUTR+
IN1/2
GAIN
OUTR-
HPS
HPOUTL
HPOUTR
V
DD
HPV
DD
PV
DD
INR1
INR2
1µF
10µF
1µF
BIAS
CPV
SS
V
SS
CPGND
System Diagrams (continued)
Chip Information
MAX9750 TRANSISTOR COUNT: 9591
MAX9751 TRANSISTOR COUNT: 8632
MAX9755 TRANSISTOR COUNT: 7834
PROCESS: BiCMOS