SM5309A datasheet(3/24 Pages) NPC

部件名	SM5309A

功能描述	3-channel Video Buffer with Built-in wideband LPF

Download	24 Pages

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制造商	NPC [Nippon Precision Circuits Inc]

网页	http://www.npc.co.jp/en

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3 / 24 page

SM5309A

SEIKO NPC CORPORATION —3

PIN DESCRIPTION

Number

Name

I/O*1

*1. I: input, O: output

A/D*2

*2. A: analog, D: digital

Description

1

IN1A

I

A

Video signal input (CH-1, input A)

2

IN1B

I

A

Video signal input (CH-1, input B)

3

GND

–

A

Ground

4

ISET

–

A

Internal current-setting resistor (RISET) connection (standard 1.8kΩ)

5

NC

–

No connection

6

IN2A

I

A

Video signal input (CH-2, input A)

7

IN2B

I

A

Video signal input (CH-2, input B)

8

VCC

–

A

Analog supply

9

IN3A

I

A

Video signal input (CH-3, input A)

10

IN3B

I

A

Video signal input (CH-3, input B)

11

MUXSEL

I

D

Input multiplexer switch control

L (GND): INnA select

H (VCC): INnB select

12

SCL

I

D

I2C-BUS clock signal input

13

SDA

I/O

D

I2C-BUS data signal input/output

14

VDD

–

DI2C-BUS interface supply

15

GND

–

A

Ground

16

OUT3

O

A

Video signal output (CH-3)

17

VCC

–

A

Analog supply

18

OUT2

O

A

Video signal output (CH-2)

19

GND

–

A

Ground

20

OUT1

O

A

Video signal output (CH-1)

21

VCC

–

A

Analog supply

22

REF2

O

A

Internal reference voltage 2

23

REF1

O

A

Internal reference voltage 1

24

ADS

I

D

I2C-BUS slave address select (3-state input)

L (GND): 90h

H (VCC): 92h

Open: 94h

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