max9725betct Maxim Integrated Products, Inc., max9725betct Datasheet - Page 14

• Manufacturer Part Number: max9725betct
• Description: Max9725 1v, Low-power, Directdrive, Stereo Headphone Amplifier With Shutdown
• Manufacturer: Maxim Integrated Products, Inc.

1V, Low-Power, DirectDrive, Stereo Headphone
Amplifier with Shutdown
14
______________________________________________________________________________________
1μF
C1
*MAX9725A = 50kΩ.
MAX9725B = 37.5kΩ.
MAX9725C = 25kΩ.
MAX9725D = 100kΩ.
( ) DENOTE BUMPS FOR UCSP.
(C1)
(A1)
10
1μF
1
C3
C1P
C1N
1μF
0.9V TO 1.8V
PV
C2
(C2)
(A2)
V
CHARGE
DD
SS
PUMP
2
9
5
(B4)
V
SS
PGND
11
(B1)
SHDN
MAX9725E
SHUTDOWN
(B2)
CONTROL
12
UVLO/
SGND
6
(B3)
(A3)
INL
3
INR
4
(A4)
SGND
SGND
Functional Diagrams (continued)
CLICK-AND-POP
SUPPRESSION
V
V
V
V
SS
DD
SS
DD
LEFT-CHANNEL
OUTR
OUTL
CHANNEL
AUDIO IN
AUDIO IN
RIGHT-
8
(C3)
7
(C4)
R
1μF
R
R
R
C
1μF
IN
F
F
IN
IN
HEADPHONE
JACK