Datasheet

MAX9722A/MAX9722B
5V, Differential Input, DirectDrive, 130mW
Stereo Headphone Amplifiers with Shutdown
______________________________________________________________________________________ 17
Typical Application Circuit
CHARGE
PUMP
UVLO/
SHUTDOWN
CONTROL
CLICK-AND-POP
SUPPRESSION
C1N
C1P
PV
SS
SV
SS
PGND
SGND
*FOR MAX9722A, R
IN
AND R
F
ARE EXTERNAL TO THE DEVICE.
( ) FOR TSSOP PACKAGE.
INR-
PV
DD
SV
DD
SHDN
SV
SS
SV
DD
SGND
INL-
R
IN
15kΩ
R
F
30kΩ
R
IN*
15kΩ
OUTR
LEFT
CHANNEL
AUDIO IN
RIGHT
CHANNEL
AUDIO IN
HEADPHONE
JACK
16
(2)
1
(3)
2
(4)
3
(5)
4
(6)
5
(7)
11
(13)
12
(14)
9, 13
(11, 15)
14
(16)
10
(12)
6
(8)
C1
1μF
C2
1μF
2.4V TO 5.5V
C3
1μF
C
IN
1μF
SV
SS
SV
DD
OUTL
C
IN
1μF
8
(10)
INR+
7
(9)
R
F*
30kΩ
MAX9722A
MAX9722B