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MAX5679 - Digitally Programmable LCD Gamma Reference Generator

General Description

The MAX5679 digitally programmable LCD gamma reference generator provides 18 buffered channels for biasing LCD column drivers.

Key Features

  • a digitally programmable voltage reference (DVR) with 7-bit adjustable current sink to set the LCD common backplane (VCOM) voltage. The MAX5679 includes a power-on reset (POR) function that configures all 14 programmable gamma outputs to predetermined levels upon initial power-up. The MAX5679 is available in a 5mm x 5mm, 32-pin TQFN package and is specified over the -40°C to +85°C extended temperature range. Features.
  • 7-Bit Adjustable VCOM Calibrator (DVR).
  • 14 Programmable Gam.

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Full PDF Text Transcription (Reference)

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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19-4058; Rev 0; 3/08 Digitally Programmable LCD Gamma Reference Generator with Digital Voltage Reference General Description The MAX5679 digitally programmable LCD gamma reference generator provides 18 buffered channels for biasing LCD column drivers. The device provides 14 outputs of 8-bit programmable gamma reference voltage derived from four externally applied reference voltages, and four buffered outputs of the same externally applied reference voltages. An I2C serial interface programs the 14 upper and lower range gamma buffer outputs independently. The MAX5679 features a digitally programmable voltage reference (DVR) with 7-bit adjustable current sink to set the LCD common backplane (VCOM) voltage.