LA9703W

No.7413-7/16

Pin Description

Pin No.

Pin name

Pin description

1

CAP

Customer OP amplifier + input

2

VCC

Power pin (for DPD)

3

PDRF

Pickup signal input

4

PD1

Pickup signal input

5

PD2

Pickup signal input

6

PD3

Pickup signal input

7

PD4

Pickup signal input

8

GND

Ground (for DPD)

9

FIN1

Pickup signal input

10

FIN2

Pickup signal input

11

PIN1

Pickup signal input

12

PIN2

Pickup signal input

13

TIN1

Pickup signal input

14

TIN2

Pickup signal input

15

LDD1

AP1 output

16

LDS1

APC1 monitor input

17

LDD2

APC2 output

18

LDS2

PC2 monitor input

19

GND

Ground (servo system)

20

LDTH

APC1 threshold changeover (H:VCC-1.5V, L: 180mV)

21

LDON1

APC1 laser ON pin (H: ON)

22

LDON2

APC2 laser ON pin (H: ON)

23

AGOF

RFAGC OFF pin (H: OFF)

24

BCA

PH discharge factor changeover (H: BCA mode)

25

GU

RF, servo signal gain-up pin (H: gain-up)

26

DVD/CD

RF-equalizer band changeover pin (H: DVD)

27

DPD/TE

TE output changeover pin (H: DPD)

28

WO/PP

WO output changeover pin (H: wobble)

29

VCC

Power pin (servo system)

30

TH

Tracking hold (H: hold)

31

XHTR

Tracking, bottom band changeover (L: high band)

32

SGC

Servo gain control pin (RREC, FE, PP, TE)

33

BST

Equalizer boost control pin

34

FC

Equalizer fo control pin

35

FEBL

FE balance control pin

36

TEBL

TE balance control pin

37

CP

Pin to connect resistor and capacitor to set charge pump gain

38

RREC

Reflection output

39

FE

Focus error output

40

TE

Tracking error output

41

WO

Wobble/push-pull output pin

42

PP

Push-pull output pin

43

PPN

Pin to connect resistor to set push-pull gain

44

WOC

DC cut capacity connection pin

45

ISET

Pin to connect resistor to set BPF central frequency

46

BH

RF bottom detection output

47

PH

RF peak detection output

48

SREFI

SREF setting pin

49

BCAI

Pin to connect resistor to set the peak hold detection constant

50

PHC

Pin to connect PH detection capacitor for RF-AGC

Continued on next page.