3/5

REV. A

APPLICATION CIRCUIT DIAGRAM

Resistance unit: [

Ω]

PIN NUMBERS, PIN NAMES

No

Pin Name

Description

No

Pin Name

Description

1

LDBIAS

Loading unit bias input

19

VOLD(-)

Loading driver output (-)

2

BIAS

Bias input

20

VOLD(+)

Loading driver output (+)

3

FCIN

Focus driver input

21

VOSL(-)

Sled driver output (-)

4

CFCerr1

Capacitor connection terminal 1 for error amp

filter

22

VOSL(+)

Sled driver output (+)

5

CFCerr2

Capacitor connection terminal 2 for error amp

filter

23

VOSP(-)

Spindle driver output (-)

6

MUTE

Mute terminal

24

VOSP(+)

Spindle driver output (+)

7

TKIN

Tracking driver input

25

PGND2

Power GND2

8

CTKerr1

Capacitor connection terminal 1 for error amp

filter

26

PVcc2

Power Vcc2

9

CTKerr2

Capacitor connection terminal 2 for error amp

filter

27

PVcc3

Power Vcc3

10

PreGND

Pre GND

28

PreVcc

Pre Vcc

11

PVcc1

Power Vcc1

29

SPIN

Spindle driver input

12

VNFFC

Focus driver feedback terminal

30

OPOUTSL

Sled pre-stage amp output terminal

13

PGND1

Power GND1

31

OPINSL(-)

Sled pre-stage amp inverted input

terminal

14

VNFTK

Tracking driver feedback terminal

32

OPINSL(+)

Sled pre-stage amp non-inverted input

terminal

15

VOTK(-)

Tracking driver output (-)

33

LDIN

Loading driver input

16

VOTK (+)

Tracking driver output (+)

34

OPOUT

OP-amp output terminal

17

VOFC(-)

Focus driver output (-)

35

OPIN(-)

OP-amp inverted input terminal

18

VOFC (+)

Focus driver output (+)

36

OPIN(+)

OP-amp non-inverted input terminal

Notes:

The polarity signs shown in the output terminal names indicate the polarities when corresponding

input pins are set to (+).