BA6387K 데이터 시트보기 (PDF) - ROHM Semiconductor

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BA6387K

Preservo amplifier for CD players

ROHM Semiconductor 

Optical disc ICs

!Pin descriptions

Pin No.

1

2

3

4

Pin name

F

FO

AGND

FI

Function

F input

F output

Analog GND

F gain adjustment feedback

5

CAPC For capacitor for APC phase

compensation

6

LD

APC amplifier output

7

PD

APC amplifier input

8

R/H

For capacitor for ramp wave/

loop off

9

SC

For resistor for scratch depth

adjustment

10

TE

Tracking error output

11

FON Focus on control

12

FOK Focus OK comparator output

13

FE

Focus error output 1

14

DEFECT Defect signal output

15

MIRR Mirror signal output

16

EFM EFM signal output

BA6387K

Pin No.

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

Pin name

ASY

CAGC

BLH

PLH

VCC

RFI

Function

Auto-asymmetry control input

For capacitor for AGC constant

For capacitor for bottom long

For capacitor for peak long

Power supply

RF output capacity coupling

reinput

RFO RF summing amplifier output

RF-

RF summing amplifier

feedback input

B

B input

A

A input

C

C input

D

D input

FEB

Focus error bias input

VB

Bias amplifier output

FE'

Focus error output 2

E

E input

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