PT2303 데이터 시트보기 (PDF) - Princeton Technology

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PT2303

2W × 2 Class AB Audio Power Amplifier

Princeton Technology 

2W × 2 Class AB Audio Power Amplifier

PIN CONFIGURATION

Tel: 886-2-66296288

Fax: 886-2-29174598

URL: http://www.princeton.com.tw

PT2303

Sh u t do w n

GND

+OUT1

VDD

-OUT1

- IN 1

GND

+IN1

1

16

2

15

3

14

4 PT2303 13

5

12

6

11

7

10

8

9

HP-IN

GND

+OUT2

VDD

-OUT2

- IN 2

Vref

+IN2

Sh u t do w n

GND

+OUT1

VDD

-OUT1

- IN 1

GND

+IN1

NC

NC

1

20

2

19

3

18

4

17

5 PT2303 16

6

15

7

14

8

13

9

12

10

11

HP-IN

GND

+OUT2

VDD

-OUT2

- IN 2

Vref

+IN2

NC

NC

PIN DESCRIPTION

Pin Name I/O

Description

Shutdown

GND

+OUT1

VDD

-OUT1

-IN1

GND

+IN1

+IN2

Vref

-IN2

-OUT2

VDD

+OUT2

GND

HP-IN

NC

I

Shutdown pin。Entire IC into the shutdown mode

when this pin connected to the Vcc.

- Ground

O Channel 1 output (+)

- Supply voltage input

O Channel 1 output (-)

I Channel 1 input (-)

- Ground

I Channel 1 input (+)

I Channel 2 input (+)

I Bias reference bypassing

I Channel 2 input (-)

O Channel 2 output (-)

- Supply voltage input

O Channel 2 output (+)

- Ground

I

Output mode select, connected to the VDD for SE

mode or GND for BTL mode

- No Connect

Pin No.

16 Pins 20 Pins

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

9

13

10

14

11

15

12

16

13

17

14

18

15

19

16

20

-

9 ~ 12

PT2303 V1.2

-3-

December, 2007

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