2-Input 1-Output 3-Circuit Video Switch Monolithic IC MM1231~1234
MITSUMI
2-Input 1-Output 3-Circuit Video Switch MM1231~1234
2-Input 1-Output 3-Circuit Video Switch
Monolithic IC MM1...
Description
MITSUMI
2-Input 1-Output 3-Circuit Video Switch MM1231~1234
2-Input 1-Output 3-Circuit Video Switch
Monolithic IC MM1231~1234
Outline
This is serial 2-input, 1-output, 3-circuit video switch IC for video / audio signal switching with and without clamp circuit. Circuit configuration tables and block diagrams are as follows. MM1234 is used as the representative model in this description.
MM1231~MM1234 Series Circuit Configuration Table
Model name MM1231 MM1232 MM1233 MM1234 # of Inputs 2 2 2 2 # of Outputs 1 1 1 1 Clamp circuit No 1 input 2 input 3 input Power supply voltage 4.6~13.0V 4.6~13.0V 4.6~13.0V 4.6~13.0V
MM1231~MM1234 Input/Output Voltage Measurement Values (typ.)
Model name Input / Output voltage Input voltage Output voltage Input voltage MM1232 Output voltage Input clamp Output voltage Input voltage MM1233 Output voltage Input clamp Output voltage MM1234 Input clamp Output voltage Power supply voltage 5V 2.80 2.01 2.80 2.10 1.40 0.70 2.80 2.10 1.40 0.70 1.40 0.70 9V 5.00 4.30 5.00 4.30 2.50 2.20 5.00 4.30 2.50 2.20 2.50 2.20 12V 6.70 6.00 6.70 6.00 3.30 2.90 6.70 6.00 3.30 2.90 3.30 2.90 Unit V V V V V V V V V V V V
MM1231
MITSUMI
2-Input 1-Output 3-Circuit Video Switch MM1231~1234
Block Diagram
MM1231
(MM1231~MM1234) MM1232
MM1233
MM1234
Control input truth table SW L OUT IN1A IN2A IN3A IN1B H IN2B IN3B
MITSUMI
2-Input 1-Output 3-Circuit Video Switch MM1231~1234
Introduction of Main Model
2-Input 1-Output 3-Circuit Video Switch
Monolithic IC MM123...
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