MAX9753ETI+ Maxim Integrated Products, MAX9753ETI+ Datasheet - Page 24

• Manufacturer Part Number: MAX9753ETI+
• Description: IC AMP AUDIO PWR 2.2W D 28TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class Dr

Specifications of MAX9753ETI+

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 2.2W x 2 @ 4 Ohm; 62mW x 2 @ 16 Ohm
• Voltage - Supply: 4.5 V ~ 5.5 V
• Features: Depop, Input Multiplexer, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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