MAX9751ETI+ Maxim Integrated Products, MAX9751ETI+ Datasheet - Page 24
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MAX9751ETI+
Manufacturer Part Number
MAX9751ETI+
Description
IC AMP AUDIO PWR 2.6W AB 28TQFN
Manufacturer
Maxim Integrated Products
Series
DirectDrive™r
Type
Class ABr
Datasheet
1.MAX9750AEUI.pdf
(30 pages)
Specifications of MAX9751ETI+
Output Type
2-Channel (Stereo) with Stereo Headphones
Max Output Power X Channels @ Load
2.6W x 2 @ 3 Ohm; 110mW 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
2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
24
______________________________________________________________________________________
3V TO 5.5V
RIGHT-CHANNEL
LEFT-CHANNEL
AUDIO INPUT
AUDIO INPUT
1μF
1μF
C
C3
BIAS
1μF
47kΩ
R
B
V
V
V
1μF
DD
DD
DD
C1
1μF
1μF
C
C
CPGND
IN
IN
CPV
GAIN1
GAIN2
SHDN
BEEP
BIAS
C1N
VOL
C1P
INL
INR
DD
1
27
21
28
24
23
2
22
7
8
9
10
HEADPHONE
SHUTDOWN
DETECTION
DETECTION
CPV
CONTROL
CONTROL
VOLUME
CONTROL
CONTROL
GAIN/
VOLUME
VOLUME
BEEP
CHARGE
11
MAX9750
PUMP
SS
GAIN/
GAIN/
0.1μF
12
C2
1μF
V
SS
4.5V TO 5.5V
25
26
V
DD
GND
3, 19
AMPLIFIER
AMPLIFIER
PGND
BTL
BTL
6, 16
18
17
15
20
14
13
4
5
PV
OUTL+
OUTL-
OUTR+
OUTR-
HPV
HPS
HPOUTL
HPOUTR
DD
DD
Block Diagrams
0.1μF
10μF
4.5V TO 5.5V
3V TO 5.5V