80mW, Fixed-Gain, DirectDrive, Stereo
Headphone Amplifier with Shutdown
System Diagram
2.2kΩ
VDD
0.1μF
0.1μF 15kΩ
15kΩ
INR
VDD
PVDD
OUTR+
OUTR-
0.1μF
1μF
AUX_IN
BIAS MAX9710
1μF
OUT
SHDN
0.1μF 15kΩ
OUTL-
MAX4060
INL
OUTL+
BIAS
CODEC
15kΩ
VCC
0.1μF
IN+
IN-
0.1μF
1μF
VCC
1μF
1μF
Q
Q
SHDNL
SHDNR
VCC
IN-
MAX961
IN+
VCC
100kΩ
0.1μF
100kΩ
INL MAX4411 OUTL
INR
OUTR
PVSS
PVDD
SVSS
SVDD
C1P
CIN
1μF
10kΩ
10kΩ
1μF
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