MAX9750CETI+ Maxim Integrated Products, MAX9750CETI+ Datasheet - Page 11

• Manufacturer Part Number: MAX9750CETI+
• Description: IC AMP AUDIO PWR 2.6W AB 28TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9750CETI+

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 2.2W x 2 @ 3 Ohm; 110mW 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

MAX9750
3, 19
6, 16
EP
10
11
12
13
14
15
17
18
20
21
22
23
24
25
26
27
28
—
—
—
—
—
—
—
—
1
2
4
5
7
8
9
MAX9751
3, 19
6, 16
PIN
EP
—
—
10
11
12
13
14
15
17
18
20
21
22
—
—
25
26
—
—
23
24
27
28
—
—
2.6W Stereo Audio Power Amplifiers and
4
5
7
8
9
1
2
______________________________________________________________________________________
MAX9755
23, 26
3, 19
6, 16
1, 27
1, 27
EP
—
10
11
12
13
14
15
17
18
20
21
22
—
—
25
28
—
—
—
—
24
—
—
2
4
5
7
8
9
DirectDrive Headphone Amplifiers
HPOUTR
HPOUTL
CPGND
OUTL+
OUTR+
CPV
HPV
CPV
OUTR-
GAIN2
GAIN1
NAME
OUTL-
PGND
SHDN
BEEP
PV
GAIN
IN1/2
BIAS
GND
INR1
INR2
INL1
INL2
C1P
C1N
HPS
VOL
N.C.
N.C.
V
V
INR
INL
EP
DD
SS
DD
DD
DD
SS
Left-Channel Audio Input
Audible Alert Beep Input
Power Ground. Connect PGND to GND at a single point on the PCB near
the device.
Left-Channel Positive Speaker Output
Left-Channel Negative Speaker Output
Speaker Amplifier Power Supply
Charge-Pump Power Supply
Charge-Pump Flying-Capacitor Positive Terminal
Charge-Pump Ground. Connect CPGND to PGND.
Charge-Pump Flying-Capacitor Negative Terminal
Charge-Pump Output. Connect to V
Headphone Amplifier Negative Power Supply
Right-Channel Headphone Output
Left-Channel Headphone Output
Headphone Positive Power Supply
Right-Channel Negative Speaker Output
Right-Channel Positive Speaker Output
Headphone Sense Input
Common-Mode Bias Voltage. Bypass with a 1µF capacitor to GND.
Shutdown. Drive SHDN low to disable the device. Connect SHDN to V
for normal operation.
Gain Control Input 2
Gain Control Input 1
Power Supply
Ground. Connect GND to PGND at a single point on the PCB near the
device.
Right-Channel Audio Input
Analog Volume Control Input
Left-Channel Audio Input 1
Left-Channel Audio Input 2
Input Select
Gain Select
Right-Channel Audio Input 1
Right-Channel Audio Input 2
No Connection. Not internally connected.
No Connection. Not internally connected.
Exposed Paddle. Connect to GND.
FUNCTION
SS
.
Pin Description
DD
11