MITSMI MM1120XF Datasheet

MITSUMI

2-Input 2-Output Video Switch MM1120

2-Input 2-Output Video Switch

Monolithic IC MM1120

Outline

This is a 2-input, 2-output 3-circuit high performance video switch IC for video/audio signal switching. It is
ideal for use in TV/BS switching.

Features

1. 1 video signal circuit, 2 audio signal circuits

2. 1 built-in 75Ω driver circuit

3. Current consumption 17mA typ.

4. Operating power supply voltage range 9~12V

5. Frequency response 10MHz (V

OUT1), 7MHz (VOUT2)

6. Crosstalk Video signal circuit : 60dB (at 4.43MHz)
Audio signal circuit : 80dB (at 1kHz)

Package

SSOP-16A (MM1120XF)

Applications

1. TV with built-in BS

Block Diagram

Control input truth table

SW1 SW2 OUT1 OUT1

L L IN2 IN2

L H IN2 IN2
H L IN1 IN2
H H IN1 IN1

MITSUMI

2-Input 2-Output Video Switch MM1120

Pin Description

Pin no. Pin name Function Internal equivalent circuit diagram

1

V

IN Video input

3

2

SW Switch

9

14 VOUT1 Video output 1

10

R

OUT

11

and Audio output

12

L

OUT

13

5

R

IN

6

and Audio input

7

L

IN

8

4 GND Ground