2-Input 1-Output Video Switch (W/75Ω driver)/3-Input 1-Output Video Switch (W/75Ω driver) MM1221~1228
MITSUMI
Introduction of Main Model
3-Input 1-Output Video Switch (with 75Ω driver, clamp and 6dB amp)
Monolithic IC MM1228
November 2, 2001
Outline
This is a high performance 3-input 1-output video switch IC with 6dB amp, clamp and 75Ω driver circuits.
1VP-P video signals can be output externally with 75Ω output.
Features
1. Built-in 75Ω driver circuit
2. Built-in 6dB amp
3. Built-in clamp circuit
4. Models in the MM1221~MM1228 series without a clamp circuit can support audio or chroma circuits
5. Mute operation possible
6. Wide operating supply voltage range
7. Low current consumption
8. Wideband frequency response
9. Crosstalk
4.7~13V
7MHz at 0dB
-
64dB (4.43MHz)
Packages
SOP-8C (MM1228XF)
Applications
1. TV
2. VCR
3. Video cameras
4. Other video equipment
Block Diagram
Control input truth table
SW1
L
SW2
L
OUT
IN1
IN2
IN3
H
L
L/H
H
MITSUMI [ MITSUMI ELECTRONICS, CORP. ]
