MAX9755 Maxim Integrated Products, MAX9755 Datasheet - Page 25

• Manufacturer Part Number: MAX9755
• Description: 2.6W Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers
• Manufacturer: Maxim Integrated Products

( ) TSSOP PIN.
LOGIC PINS CONFIGURED FOR:
GAIN = 1, 9dB SPEAKER GAIN/0dB HEADPHONE GAIN.
SHDN = 1, PART ACTIVE.
3V TO 5.5V
RIGHT CHANNEL
LEFT CHANNEL
AUDIO INPUT
AUDIO INPUT
2.6W Stereo Audio Power Amplifiers and
______________________________________________________________________________________
1µF
C
BIAS
1µF
V
V
1µF
1µF
C
C
DD
DD
1µF
IN
IN
C1
CPGND
CPV
SHDN
GAIN
BIAS
C1P
C1N
INR
INL
DD
DirectDrive Headphone Amplifiers
2
(6)
28
(4)
21
(25)
24
(28)
22
(26)
7
(11)
8
(12)
10
(14)
9
(13)
HEADPHONE
SHUTDOWN
DETECTION
CPV
CONTROL
CONTROL
(15)
GAIN
CHARGE
11
PUMP
MAX9755
SS
(16)
0.1µF
12
C2
1µF
V
SS
4.5V TO 5.5V
(2, 27)
23, 26
(1)
25
V
DD
GND
(7, 23)
3, 19
AMPLIFIER
AMPLIFIER
PGND
BTL
BTL
Block Diagrams (continued)
(10, 20)
6, 16
(22)
(21)
(19)
(24)
(18)
(17)
(8)
(9)
18
17
15
20
14
13
4
5
PV
OUTL+
OUTL-
OUTR+
OUTR-
HPV
HPS
HPOUTL
HPOUTR
DD
DD
0.1µF
0.1µF
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4.5V TO 5.5V
3V TO 5.5V
25