MAX9755 Maxim Integrated Products, MAX9755 Datasheet - Page 10

• Manufacturer Part Number: MAX9755
• Description: 2.6W Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers
• Manufacturer: Maxim Integrated Products

2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
10
THIN
3, 19
6, 16
QFN
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
THIN
3, 19
6, 16
QFN
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
23, 26
THIN
3, 19
6, 16
1, 27
QFN
10
11
12
13
14
15
17
18
20
21
22
25
28
24
—
—
—
—
—
—
—
—
—
2
4
5
7
8
9
MAX9755
TSSOP
10, 20
7, 23
2, 27
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
CPV
OUTR-
GAIN2
GAIN1
NAME
PGND
OUTL-
SHDN
BEEP
PV
GAIN
IN1/2
BIAS
GND
INR1
INR2
C1N
INL1
INL2
N.C.
C1P
HPS
V
VOL
V
INR
INL
DD
SS
DD
DD
DD
SS
Left-Channel Audio Input
Audible Alert Beep Input
Power Ground
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
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
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.
DD
for normal operation.
FUNCTION
Pin Description
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SS
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