AN8783SB 데이터 시트보기 (PDF) - Panasonic Corporation

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AN8783SB

4-channel linear driver IC for CD/CD-ROM drive

Panasonic Corporation 

AN8783SB

s Block Diagram

ICs for Compact Disc/CD-ROM Player

1/2 PVCC

19

PGND1

Reset

28 SVCC

Thermal

protect

Fin mSoVnCitCor

VREF

monitor

ch. 1

Direction

det.

current

amp.

BTL linear

driver ch. 2

ch. 2

Control

logic

Comp.

BTL linear

driver ch. 3

ch. 3

Absolute

V-l

direction

det.

BTL linear

driver ch. 4

ch. 4

Absolute

V-l

direction

det.

11 PGND2

7

2

22 VREF

s Pin Descriptions

Pin No.

Description

1

PC1 (power cut) input pin

2

Driver-3 phase compensation pin

3

Driver-3 input pin

4

Driver-4 input pin

5

Driver-3 feedback pin

6

Driver-4 feedback pin

7

Driver-4 phase compensation pin

8

Driver-4 current feedback power supply pin

9

Driver-4 reverse rotation output pin

10

Driver-4 forward rotation output pin

11

Driver-2, driver-4 GND pin

12

Driver-3 reverse rotation output pin

13

Driver-3 current feedback power supply pin

14

Driver-3 forward rotation output pin

15

Driver-2 forward rotation output pin

Pin No.

16

17

18

19

20

21

22

23

24

25

26

27

28

Fin

Description

Driver-2 power supply pin

Driver-2 reverse rotation output pin

Driver-1 reverse rotation output pin

Driver-1 GND pin

Driver-1 forward rotation output pin

Driver-1 power supply pin

VREF input pin

Driver-1 input pin

Driver-2 input pin

Driver-2 output voltage adjustment pin

PC2 (power cut) input pin

N.C.

Power supply pin

GND pin

2

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