MITSMI MM1228XS, MM1226XF, MM1226XS, MM1227XF, MM1227XS Datasheet

MITSUMI

2-Input 1-Output Video Switch (75Ω driver)/3-Input 1-Output Video Switch (75Ω driver) MM1221~1228

2-Input 1-Output Video Switch (75Ω driver)/3-Input 1-Output Video Switch (75Ω driver)

Monolithic IC MM1221~MM1228

Outline

These ICs are high grade video switches with 2-input 1-output or 3-input 1-output and built-in 75Ω driver.

The series includes those with and without built-in clamp and 6dB amp circuits.
Circuit configuration tables and block diagrams are as follows.
MM1228 is used as the representative model in this description.

MM1221~MM1228 Series Circuit Configuration Table

MM1221~MM1228 Input/Output Voltage Measurement Values (typ.)

Model name # of Inputs # of Outputs 6dB amp circuit Clamp circuit

Power supply voltage range

MM1221 2 1 No No 8~13V

MM1222 2 1 Yes No 8~13V

MM1223 3 1 No No 8~13V

MM1224 3 1 Yes No 8~13V

MM1225 2 1 No Yes 4.7~13V

MM1226 2 1 Yes Yes 4.7~13V

MM1227 3 1 No Yes 4.7~13V

MM1228 3 1 Yes Yes 4.7~13V

Model name

Power supply

5V 9V 12V Unit

voltage

MM1221

Input voltage 4.53 6.05 V

Output voltage 4.5 6.1 V

MM1222

Input voltage 4.05 5.4 V

Output voltage 5.34 7.12 V

MM1223

Input voltage 4.53 6.05 V

Output voltage 4.5 6.1 V

MM1224

Input voltage 4.05 5.4 V

Output voltage 5.34 7.12 V

MM1225

Input voltage 1.27 2.17 2.86 V

Output voltage 1.31 2.25 2.96 V

MM1226

Input voltage 1.3 2.2 2.9 V

Output voltage 1.4 2.23 2.88 V

MM1227

Input voltage 1.27 2.17 2.86 V

Output voltage 1.31 2.25 2.96 V

MM1228

Input voltage 1.3 2.2 2.9 V

Output voltage 1.4 2.23 2.88 V

MITSUMI

2-Input 1-Output Video Switch (75Ω driver)/3-Input 1-Output Video Switch (75Ω driver) MM1221~1228

Control input truth table Control input truth table

SW1 SW2 OUT

L L IN1

H L IN2

L/H H IN3

SW1 SW2 OUT

L L IN1

H L IN2

L/H H IN3

Block Diagram

(MM1221~MM1228)

SW OUT

L IN1

H IN2

Control input truth table

SW OUT

L IN1

H IN2

Control input truth table

MITSUMI

2-Input 1-Output Video Switch (75Ω driver)/3-Input 1-Output Video Switch (75Ω driver) MM1221~1228

Control input truth table Control input truth table

SW1 SW2 OUT

L L IN1

H L IN2

L/H H IN3

SW1 SW2 OUT

L L IN1

H L IN2

L/H H IN3

Control input truth table

SW OUT

L IN1

H IN2

Control input truth table

SW OUT

L IN1

H IN2