3

LZ0P3817

PIN DESCRIPTION

PIN NO. SYMBOL

I/O

DESCRIPTION

A/D

Analog

Digital ground

–

11

Analog

Analog power supply

–

AGND

10

Digital

Analog ground

I

STBY

9

–

–

NC

8

Analog

No connection

–

ADH

7

Analog

Top ADC reference voltage

–

ADL

6

Analog

Bottom ADC reference voltage

–

OFS

5

Analog

Offset bias voltage for AGC output

–

4

Analog

Analog power supply

–

AGND

3

Analog

Analog ground

O

AGCOUT

2

Analog

AGC output

–

1

Analog bias voltage 1 for image sensor

12

DGND

–

Digital

Digital

I

SDI

27

Control data input (AGC gain, offset, shutter control,

image inversion, etc.)

Digital

I

VD

26

Vertical drive pulse input

Digital

I

HD

25

Horizontal drive pulse input

Digital

O

CLK

24

Clock output (6.135 MHz)

Digital

O

23

ADC signal output (MSB)

Digital

O

22

ADC signal output

Digital

O

21

ADC signal output

Digital

O

20

ADC signal output

Digital

O

17

ADC signal output

Digital

O

CKO

15

Clock output for oscillator

Digital

I

CKI

14

Clock input for oscillator (12.27 MHz)

Digital

–

13

Digital power supply

Analog bias voltage 2 for image sensor

34

* Standby mode functions

High level : Standby mode (all circuits power-off), Low level or open : Normal mode (all circuits active)

–

Analog

Analog image signal input

33

SIGIN

I

Analog

Analog image signal output

32

SIGOUT

O

Analog

Analog bias voltage 1 for clamp circuit

31

–

Analog

Analog bias voltage 2 for clamp circuit

30

–

Analog

Load pulse for data input

29

LOAD

I

Digital

Shift clock for data

28

SCLK

I

Digital

ADC signal output (LSB)

16

O

Digital

ADC signal output

18

O

Digital

Digital

O

19

ADC signal output

–

–

NC

36

No connection

Analog

I

REFIN

35

Reference voltage for analog input