IR3Y38 데이터 시트보기 (PDF) - Sharp Electronics

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IR3Y38

CCD Signal Process & Digital Interface IC

Sharp Electronics 

IR3Y38M

PIN NO. PIN NAME VOLTAGE

17 VCC4

5.0 V

18 GND4

0.0 V

19 SDATA

> 2.1 V

< 0.7 V

EQUIVALENT CIRCUIT

15 µ

200

19

VCC1

GND1

VCC1

20 CLPCAP 3.2 V

20

21 CCDIN

2.5 V

22 REFIN

2.5 V

200

100 µ

26 k 150 µ

200

GND1

VCC1

26 k

150 µ

GND1

23 GND1

0.0 V

24 SHISET 1.7 V

2k 2k

200

24

26 k

VCC1

13 k

GND1

DESCRIPTION

Analog power supply pin of the A/D

converter.

Analog GND pin of the A/D

converter.

Data input pin of the serial

interface.

TRUTH TABLE

SDATA SCK Action

DATA

›

SHIFT

0

fi

–

1

fi STORE

Bias decoupling pin of the CDS

signal clamp circuit. This pin is

connected to the GND1 via a

capacitor.

Signal input pin of the CDS.

Input CCD signal to this pin via a

capacitor.

Reference input pin of the CDS.

This pin is connected to the GND1

via a capacitor.

GND pin of the CDS/AGC.

Pay careful attention to board

layout of the GND1 because the

CDS/AGC are noise-sensitive

circuitry.

Operation current setting pin of the

CDS and fl/H3 circuits.

This pin is connected to the GND1

via a resistor.

The slew rates of the fl/Hs are in

inverse proportion to the value of

the resistor.

4

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