MAX9750 查看數據表（PDF） - Maxim Integrated

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MAX9750

2.6W Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers

Maxim Integrated 

2.6W Stereo Audio Power Amplifiers and

DirectDrive Headphone Amplifiers

Pin Description

MAX9750

THIN TSSOP

QFN

1

5

2

6

3, 19 7, 23

4

8

5

9

6, 16 10, 20

7

11

8

12

9

13

10

14

11

15

12

16

13

17

14

18

15

19

17

21

18

22

20

24

21

25

22

26

23

27

24

28

25

1

26

2

27

3

28

4

—

—

—

—

—

—

—

—

—

—

—

—

—

—

PIN

MAX9751

THIN TSSOP

QFN

—

—

—

—

3, 19 7, 23

4

8

5

9

6, 16 10, 20

7

11

8

12

9

13

10

14

11

15

12

16

13

17

14

18

15

19

17

21

18

22

20

24

21

25

22

26

—

—

—

—

25

1

26

2

—

—

—

—

1

5

2

6

23

27

24

28

27

3

28

4

—

—

MAX9755

THIN TSSOP

QFN

2

6

—

—

3, 19 7, 23

4

8

5

9

6, 16 10, 20

7

11

8

12

9

13

10

14

11

15

12

16

13

17

14

18

15

19

17

21

18

22

20

24

21

25

22

—

—

25

23, 26

28

—

—

—

—

24

—

—

1, 27

26

—

—

1

2, 27

4

—

—

—

—

28

—

—

3, 5

NAME

FUNCTION

INL

BEEP

PGND

OUTL+

OUTL-

PVDD

CPVDD

C1P

CPGND

C1N

CPVSS

VSS

HPOUTR

HPOUTL

HPVDD

OUTR-

OUTR+

HPS

BIAS

SHDN

GAIN2

GAIN1

VDD

GND

INR

VOL

INL1

INL2

IN1/2

GAIN

INR1

INR2

N.C.

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 VSS.

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 VDD for normal operation.

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.

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