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LM1238 - 110 MHz I2C Compatible RGB Preamplifier

General Description

The LM1238 pre-amp is an integrated, three channel video pre-amp.

It has an I2C compatible interface which allows control of all the parameters necessary to directly setup and adjust the gain and contrast in the CRT display.

Key Features

  • n I2C compatible microcontroller interface n Internal OSD generator with 16 sets of color icons Block and Connection Diagram 20038701 FIGURE 1. Order Number LM1238AAC/NA See NS Package Number N24D © 2003 National Semiconductor Corporation DS200387 www. national. com LM1238 Absolute Maximum Ratings (Notes 1, 3) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage, Pins.

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The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LM1238 110 MHz I2C Compatible RGB Preamplifier with Internal Simple OSD Generator 4 DACs June 2003 LM1238 110 MHz I2C Compatible RGB Preamplifier with Internal Simple OSD Generator and 4 DACs General Description The LM1238 pre-amp is an integrated, three channel video pre-amp. It has an I2C compatible interface which allows control of all the parameters necessary to directly setup and adjust the gain and contrast in the CRT display. Four I2C compatible DACs are available to control monitor bias and brightness circuits. The LM1238 preamp is designed to be 100% compatible with the LM246x high gain driver family and the LM2479/80 Clamp ICs.