MAX9779 查看數據表（PDF） - Maxim Integrated

零件编号

产品描述 (功能)

生产厂家

MAX9779

2.6W Stereo Audio Power Amplifier and DirectDrive Headphone Amplifier

Maxim Integrated 

PIN

1

2

3, 19

4

5

6, 16

7

8

9

10

11

12

13

14

15

17

18

20

21

22

23

24

25

26, 28

27

EP

2.6W Stereo Audio Power Amplifier and

DirectDrive Headphone Amplifier

NAME

INL

N.C.

PGND

OUTL+

OUTL-

PVDD

CPVDD

C1P

CPGND

C1N

CPVSS

VSS

HPOUTR

HPOUTL

HPVDD

OUTR-

OUTR+

HPS

BIAS

SHDN

GAIN2

GAIN1

VDD

GND

INR

EP

Pin Description

FUNCTION

Left-Channel Audio Input

No Connection. Not internally connected.

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

Exposed Paddle. Connect EP to GND.

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