RGB Video Amplifier
MITSUMI
RGB Video Amplifier for Monitors MM1203
RGB Video Amplifier for Monitors
Monolithic IC MM1203
Outline
This IC...
Description
MITSUMI
RGB Video Amplifier for Monitors MM1203
RGB Video Amplifier for Monitors
Monolithic IC MM1203
Outline
This IC is a wideband video amplifier system developed for high resolution RGB color monitors. In addition to the three matched video amps, it has three gate control differential input black level comparators for luminance adjustment, and three matched attenuator circuits for contrast adjustment. Each video amp has maximum gain setting (AV=4~10) and a drive pin for trimming. The reference voltage supply for video input is built in.
Features
1. Three built-in wideband video amps (70MHz @ -3dB) 2. Current consumption 65mA typ. 3. Matched (±0.5dB) contrast adjustment attenuators built in 4. Built-in luminance adjustment comparators using external gate control 5. Gain of each video amp controlled independently 6. Built-in video input reference voltage 7. Low impedance output driver
Package
DIP-28B (MM1203ND)
Applications
1. Display monitors
Block Diagram
MITSUMI
RGB Video Amplifier for Monitors MM1203
Pin Description
Pin no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Pin name VCC1 CONTRAST CAP CONTRAST CAP R VIDEO IN R CLAMP CAP G VIDEO IN GND G CALMP CAP B VIDEO IN B CLAMP CAP VREF CONTRAST VCC1 CLAMP GATE
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Function VCC1 Contrast capacitor Contrast capacitor R video input R clamp capacitor G video input GND G clamp capacitor B video input B clamp capacitor Video input reference voltage Contrast control VCC1
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