Typical application circuit – Rainbow Electronics MAX9796 User Manual
Page 13
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MAX9796
2.3W, High-Power Class D Audio Subsystem
with DirectDrive Headphone Amplifiers
______________________________________________________________________________________
13
Typical Application Circuit
MAX9796
CHARGE
PUMP
V
DD
C1
1
µF
C3
1
µF
A4
A3
A2
A1
C1N
VBIAS
CPGND
INPUT A: 0dB,
6dB, OR 20dB
C1P
E3
E4
1
µF
1
µF
CPV
DD
1
µF
C2
D2
INA2
INA1
INPUT B: 0dB
OR 6dB
E5
D5
1
µF
1
µF
INB2
INB1
CLASS D
AMPLIFIER
INPUT C: 0dB
OR 6dB
B4
C5
1
µF
1
µF
INC2
INC1
INPUT
MIXER
OUTPUT
MIXER
RIGHT
VOLUME
LEFT
VOLUME
MONO
VOLUME
B3
E2
SDA
SCL
SHDN
I
2
C CONTROL
3dB
3dB
3dB
DirectDrive
12dB
OUTRx
HPR
OUT-
OUT+
HPL
C6
B6
E1, F2
C1, F4
A6
F6
GND
D1
F3
PGND
PGND
C2
1
µF
A5
B5
CPV
SS
V
SS
1
µF
D6
V
DD
V
DD
1
µF
0.1
µF
F1, B1, F5
PV
DD
V
DD
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