SM5330A

SEIKO NPC CORPORATION —3

PIN DESCRIPTION

Number

Name

Description

1

IN3_1

I

A

System 3 channel 1 video signal input pin

2

IN3_2

I

A

System 3 channel 2 video signal input pin

3

IN3_3

I

A

System 3 channel 3 video signal input pin

4

GND

GND

A

Analog ground pin

5

IN4_1

I

A

System 4 channel 1 video signal input pin

6

IN4_2

I

A

System 4 channel 2 video signal input pin

7

IN4_3

I

A

System 4 channel 3 video signal input pin

8

GND

GND

A

Analog ground pin

9

DAC_0

O

A

10

TEST

I

D

Test pin. Connect to ground for normal operation.

11

DAC_1

O

A

12

GND

GND

A

Analog ground pin

13

YOUT

O

A

Y signal output pin. The channel 3 video signal is output without filtering.

14

GND

GND

A

Analog ground pin

15

OUT_3

O

A

Channel 3 video signal output pin.

16

VCC

P

A

Analog supply pin

17

GND

GND

A

Analog ground pin

18

VCC

P

A

Analog supply pin

19

OUT_2

O

A

Channel 2 video signal output pin.

20

GND

GND

A

Analog ground pin

21

OUT_1

O

A

Channel 1 video signal output pin.

22

VCC

P

A

Analog supply pin

23

VCCD

P

D

Logic supply pin. Connect to the same potential as VCC.

24

I/O_0

I/O

D

Logic I/O pins. Outputs are open-drain. Connect pull-up to VCCD.

25

I/O_1

I/O

D

26

ADS

I

D

Address select pin. 3-state input

27

SCL

I

D

28

SDA

I/O

D

29

VDD

P

D

30

DGND

GND

D

Logic ground pin

31

IREF

O

A

Cutoff frequency control pin.

Connect a 1.8k

Ω ±1% resistor between this pin and GND.

The current that flows in the resistor sets the internal filter reference current.

32

VREF

O

A

Internal reference voltage pin

33

GND

GND

A

Analog ground pin

34

IN1_1

I

A

System 1 channel 1 video signal input pin

35

IN1_2

I

A

System 1 channel 2 video signal input pin

36

IN1_3

I

A

System 1 channel 3 video signal input pin