Datasheet

MAX9724A/MAX9724B
60mW, DirectDrive, Stereo Headphone Amplifier
with Low RF Susceptibility and Shutdown
16 ______________________________________________________________________________________
CHARGE
PUMP
UVLO/
SHUTDOWN
CONTROL
CLICK-AND-POP
SUPPRESSION
C1N
C1P
PV
SS
SV
SS
PGND
SGND
*R
IN
AND R
F
VALUES ARE CHOSEN FOR A GAIN -1.5V/V.
( ) UCSP PACKAGE
INR
V
DD SHDN
ON
OFF
SV
SS
V
DD
SGND
INL
R
F
*
30kΩ
R
IN
*
20kΩ
R
IN*
20kΩ
OUTR
LEFT
AUDIO
INPUT
RIGHT
AUDIO
INPUT
HEADPHONE
JACK
5
(A2)
12
(B1)
1
(C1)
2
(C2)
3
(C3)
4
(C4)
9
(B4)
11
(A4)
6
(B3)
10
(A3)
7
(A1)
C1
1μF
C2
1μF
2.7V TO 5.5V
C3
1μF
C
IN
0.47μF
SV
SS
V
DD
OUTL
C
IN
0.47μF
8
(B2)
R
F*
30kΩ
MAX9724A
Functional Diagram/Typical Operating Circuits