MAX9751 Maxim Integrated Products, Inc., MAX9751 Datasheet - Page 11

• Manufacturer Part Number: MAX9751
• Description: 2.6w Stereo Audio Power Amplifiers And Directdrive Headphone Amplifiers
• Manufacturer: Maxim Integrated Products, Inc.

THIN
3, 19
6, 16
QFN
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
MAX9750
TSSOP
10, 20
7, 23
11
12
13
14
15
16
17
18
19
21
22
24
25
26
27
28
—
—
—
—
—
—
—
—
—
5
6
8
9
1
2
3
4
2.6W Stereo Audio Power Amplifiers and
______________________________________________________________________________________
THIN
3, 19
6, 16
QFN
EP
10
11
12
13
14
15
17
18
20
21
22
25
26
23
24
27
28
—
—
—
—
—
—
—
—
4
5
7
8
9
1
2
MAX9751
PIN
TSSOP
10, 20
7, 23
11
12
13
14
15
16
17
18
19
21
22
24
25
26
27
28
—
—
—
—
—
—
—
—
—
8
9
1
2
5
6
3
4
DirectDrive Headphone Amplifiers
23, 26
THIN
3, 19
6, 16
1, 27
1, 27
QFN
10
11
12
13
14
15
17
18
20
21
22
25
28
24
EP
—
—
—
—
—
—
—
—
—
2
4
5
7
8
9
MAX9755
TSSOP
10, 20
7, 23
2, 27
3, 5
3, 5
11
12
13
14
15
16
17
18
19
21
22
24
25
26
28
—
—
—
—
—
—
—
—
—
—
6
8
9
1
4
HPOUTR
HPOUTL
CPGND
OUTR+
OUTL+
CPV
HPV
OUTR-
NAME
OUTL-
CPV
GAIN2
GAIN1
PGND
SHDN
BEEP
PV
IN1/2
GAIN
BIAS
GND
INR1
INR2
INL1
INL2
C1N
HPS
VOL
N.C.
N.C.
C1P
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
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
Gain Control Input 2
Gain Control Input 1
Power Supply
Ground. Connect GND to PGND at a single point on
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.
the PCB near the device.
the PCB near the device.
DD
for normal operation.
FUNCTION
Pin Description
SS
.
11