LA4917H 查看數據表（PDF） - SANYO -> Panasonic

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LA4917H

Audio Output for TV application High-Effciency Two-Channel 7W BTL Power Amplifier ICs

SANYO -> Panasonic 

Block Diagram

LA4917H

PRO OUT 1

NC 2

RF 3

STB 4

NC 5

NC 6

Power supply/ground

shorting protection

circuit

Thermal

protection circuit

Output

amplifier D

Ripple

filter

Standby

switch

C

Non linear

amplifier

Output

amplifier

H.L.S

ABCD

Switching

drive

ON TIME 7

Switching

Regulator Block

Muting circuit

used at power on

ch2

IN 2 8

NC 9

Input

amplifier

Amplifier

output stage

Switching

regulator block

PRE GND 10

IN VREF 11

IN 1 12

NC 13

TJ MONI 14

Ref

amplifier

Input

amplifier

Output

amplifier B

A

Non linear

amplifier

Output

amplifier

28 PWR GND

27 OUT 2 -

26 OUT 2 +

25 SW GND

24 SW B

23 SW E

22 SW OUT

21 VCC

20 PRE VCC

19 PH C1

18 PH C2

17 OUT 1 +

16 OUT 1 -

15 PWR GND

No.A0322-3/8

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