Rainbow Electronics MAX9758 - Manual (Page 27)

MAX9756/MAX9757/MAX9758
2.3W Stereo Speaker Amplifiers and DirectDrive
Headphone Amplifiers with Automatic Level Control
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System Diagram
CODEC
3V TO 5.5V
MAX9756
INR
4.5V TO 5.5V 3V TO 5.5V
INL
CPV DD
REGEN
OUT
BEEP
1 μF
1 μF
180k Ω
1 μF
1 μF
0.033 μF 0.1 μF
1 μF
1 μF
1 μF
μC
C1P
C1N
PREF
BIAS
GND PGND
SHDN
OUTL+
OUTL-
VOL
CPV SS
V SS
SET
BIAS
OUTR+
GAIN1
GAIN2
OUTR-
HPL
HPS
HPR
V DD HPV DD PV DD
IN
10 μF
CPGND
HPV DD
1 μF
47k Ω
GAIN3
DR
CT
1 μF