MAX9752BETI+T Maxim Integrated Products, MAX9752BETI+T Datasheet - Page 25

• Manufacturer Part Number: MAX9752BETI+T
• Description: IC AMP AUDIO PWR 2.2W D 28TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class Dr

Specifications of MAX9752BETI+T

• 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, Short-Circuit and Thermal Protection, Shutdown, Volume Control
• 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
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