Low-Cost, Mono, 1.4W BTL Audio
Power Amplifiers
Functional Diagrams/Typical Operating Circuits
VCC
1µF
VCC
ON
CLICKLESS/POPLESS SHDN
OFF
SHUTDOWN
CONTROL
BIAS
CBIAS
1µF
OUT-
IN+
CIN
RIN
0.33µF 20kΩ
AUDIO
IN-
INPUT
VALUES SHOWN FOR 12dB GAIN.
20kΩ
20kΩ
OUT+
GND
MAX9716
RF
40kΩ
VCC
1µF
VCC
BIAS
CBIAS
1µF
CLICKLESS/POPLESS
SHUTDOWN
CONTROL
SHDN
ON
OFF
OUT-
CIN
0.33µF
RIN
20kΩ
AUDIO
IN-
INPUT
VALUES SHOWN FOR BTL 12dB GAIN,
HEADPHONE 6dB GAIN.
20kΩ
20kΩ
MAX9717A
OUT+
BTL/SE
100kΩ
GND
RF
40kΩ
1kΩ
COUT
100µF
100kΩ
VCC
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