MITSMI MM1188XS Datasheet

MITSUMI

3-Input 1-Output Video Switch (with Y-C mix) MM1188

3-Input 1-Output Video Switch (with Y-C mix)

Monolithic IC MM1188

Outline

This is a 3-input, 1-output video switch IC for video signal switching. Of the 3 inputs, one has an input pin
that supports S input, and there is a built-in mixing circuit.

Features

1. Built-in mixing circuit and input pin for S input

2. Built-in 6dB amp

3. Clamp function (IN1

-

Y, IN2, IN3)

4. Mute function

5. Current consumption 12.5mA typ.

6. Operating power supply voltage range 8~13V

7. Frequency response 10MHz

8. Crosstalk 70dB (at 4.43MHz)

Package

SIP-9B (MM1188XS)

Applications

1. TV

2. VCR, etc.

Block Diagram

Control input truth table

SW1 SW2 OUT

L L IN1

H L IN2

-

H IN3

MITSUMI

3-Input 1-Output Video Switch (with Y-C mix) MM1188

Pin Description

Pin no. Pin name Function Internal equivalent circuit diagram

1 IN3 Input 3

9 IN2 Input 2

3 SW1 Switch 1

8 SW2 Switch 2

6 IN1-Y Input 1

(luminance signal or

composite signal)

4 OUT Output

2 VCC Power supply

5 GND Ground