5V, Differential Input, DirectDrive, 130mW
Stereo Headphone Amplifiers with Shutdown
Typical Application Circuit
2.4V TO 5.5V
C
IN
1μF
LEFT
CHANNEL
AUDIO IN
C3
1μF
9, 13
(11, 15)
14
(16)
16
(2)
1
(3)
PV
DD
SV
DD
SHDN
INL-
R
F*
30kΩ
R
SV
DD
IN*
15kΩ
12
(14)
OUTL
HEADPHONE
JACK
UVLO/
SHUTDOWN
CONTROL
2
(4)
C1P
SV
SS
CHARGE
PUMP
CLICK-AND-POP
SUPPRESSION
C1
1μF
4
(6) C1N
SV
DD
SGND
10
(12)
OUTR
R
IN
MAX9722A
MAX9722B
15kΩ
SV
SS
R
F
30kΩ
PV
SV
11
(13)
PGND
SS
SGND
INR-
SS
INR+
5
6
(8)
3
(5)
8
(10)
7
(9)
(7)
C2
1μF
C
1μF
IN
RIGHT
CHANNEL
AUDIO IN
*FOR MAX9722A, R AND R ARE EXTERNAL TO THE DEVICE.
IN
F
( ) FOR TSSOP PACKAGE.
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