M52743SP/M52744SP is a 3-channel video preamplifier that can be controlled by the I2C bus for main/sub contrast and OSD adjustment functions.
The Mitsubishi M52743SP and M52744SP are semiconductor integrated circuits specifically designed for use in CRT display monitors. These devices function as a 3-channel video preamplifier with I2C bus control capabilities, allowing for the adjustment of main/sub contrast and OSD settings via digital commands.
Key features include OSD blanking, OSD mixing, retrace blanking, wide-band amplification (RGB up to 150MHz), and brightness control. The chips utilize a bipolar silicon monolithic structure and operate with a recommended supply voltage of 12.0V.
| Frequency band width (RGB) | 150MHz (at -3dB) |
|---|---|
| Supply voltage range | 10.5 to 12.5 V |
| Recommended supply voltage | 12.0 V |
| Power dissipation | 240 mW |
| Ambient operating temperature | -20 to +75 °C |
The absolute maximum rating for the supply voltage is 13.0 V.
The frequency band width for RGB is 150MHz at -3dB.