max9752aetit Maxim Integrated Products, Inc., max9752aetit Datasheet - Page 25

• 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
3V TO 5.5V
RIGHT-CHANNEL
RIGHT-CHANNEL
LOGIC PINS CONFIGURED FOR:
GAIN = 1, 9dB SPEAKER GAIN/0dB HEADPHONE GAIN.
IN1/2 = 1, SELECTED INPUT LINE 1.
SHDN = 1, PART ACTIVE.
LEFT-CHANNEL
LEFT-CHANNEL
AUDIO INPUT
AUDIO INPUT
AUDIO INPUT
AUDIO INPUT
______________________________________________________________________________________
C
1μF
BIAS
1μF
V
V
V
DD
DD
DD
1μF
C1
with DirectDrive Headphone Amplifiers
1μF
1μF
1μF
1μF
C
C
C
C
CPGND
IN
IN
IN
IN
CPV
SHDN
IN1/2
GAIN
INR1
INR2
INL1
INL2
BIAS
C1N
C1P
DD
10
1
2
27
28
21
24
23
22
7
8
9
HEADPHONE
SHUTDOWN
DETECTION
MUX AND
CONTROL
CONTROL
CV
GAIN
CHARGE
11
INPUT
INPUT
PUMP
MAX9753
SS
MUX
MUX
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
MAX9753 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
25