LA4905 查看數據表（PDF） - SANYO -> Panasonic

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LA4905

17-W, 2-Channel BTL AF High-Efficiency Power Amplifier for Car Stereo Systems

SANYO -> Panasonic 

Equivalent Circuit Block Diagram

LA4905

Pin Voltages VCC = 13.2 V, 5 V applied to STBY through a 10-kΩ resistor, using a digital voltmeter

Pin No.

1

2

3

Pin

IN2

Pre-GND

IN1

Pin voltage (V)

1.36

0

1.36

4

5

6

7

8

BEEP

PWR-GND 1

–OUT1

+OUT1

C

1.36

0

2.03

2.03

13.0

Pin No.

9

Pin

C

Pin voltage (V)

3.92

10

VCC

13.2

11

VCC (SW)

13.2

12

SW OUT 1

3.70

13

SW OUT 2

3.70

14

SW E

3.73

15

SW B

4.0

16

SW-GND

0

Pin No.

Pin

Pin voltage (V)

17

+OUT 2

2.03

18

–OUT 2

2.03

19

PWR-GND 2

0

20

D. C

12.1

21

STAND-BY

3.21

22

N. C

0

23

ON-TIME

2.81

No. 5504-4/10

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