max9752aetit Maxim Integrated Products, Inc., max9752aetit Datasheet - Page 24

• Manufacturer Part Number: max9752aetit
• Description: 2.2w, Low-emi, Stereo, Class D Power Amplifiers With Directdrive Headphone Amplifiers
• Manufacturer: Maxim Integrated Products, Inc.

2.2W, Low-EMI, Stereo, Class D Power Amplifiers
with DirectDrive Headphone Amplifiers
24
______________________________________________________________________________________
3V TO 5.5V
RIGHT-CHANNEL
LEFT-CHANNEL
AUDIO INPUT
AUDIO INPUT
1μF
1μF
C
BIAS
1μF
47kΩ
V
V
V
DD
DD
DD
1μF
C1
1μF
1μF
C
C
CPGND
IN
IN
CPV
GAIN1
GAIN2
SHDN
BEEP
BIAS
C1N
VOL
C1P
INR
INL
DD
10
1
27
21
28
24
23
2
22
7
8
9
HEADPHONE
SHUTDOWN
DETECTION
DETECTION
CPV
CONTROL
CONTROL
VOLUME
CONTROL
CONTROL
GAIN/
VOLUME
VOLUME
BEEP
CHARGE
11
PUMP
MAX9752
GAIN/
GAIN/
SS
0.1μF
12
C2
1μF
V
SS
4.5V TO 5.5V
25
26
V
DD
GND
3, 19
AMPLIFIER
AMPLIFIER
PGND
CLASS D
CLASS D
MAX9752 Functional Diagram
6, 16
18
17
15
20
14
13
4
5
PV
OUTL+
OUTL-
OUTR+
OUTR-
HPV
HPS
HPOUTL
HPOUTR
DD
DD
1μF
1μF
4.5V TO 5.5V
3V TO 5.5V