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MAX9679A - 10-Bit Programmable Gamma and VCOM Reference Voltages

General Description

The MAX9679A provides multiple programmable reference voltages for gamma correction in TFT LCDs and a programmable reference voltage for VCOM adjustment.

Key Features

  • S 12 Channels of Programmable Gamma Voltages with 10-Bit Resolution S Programmable VCOM Voltage with 10-Bit Resolution S Programmable Reference for DACs S Switching Between Two Gamma Curves and VCOM Voltages S AVDD1, AVDD2, and AVDD_AMP.

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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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MAX9679A 19-5760; Rev 0; 7/11 EVAALVUAAILTAIOBNLEKIT 12-Channel, 10-Bit Programmable Gamma and VCOM Reference Voltages General Description The MAX9679A provides multiple programmable reference voltages for gamma correction in TFT LCDs and a programmable reference voltage for VCOM adjustment. All gamma and VCOM reference voltages have a 10-bit digital-to-analog converter (DAC) and high- current buffer, which reduces the recovery time of the output voltages when critical levels and patterns are displayed. A programmable internal reference sets the full-scale voltage of the DACs. Two independent sets of gamma curves and VCOM codes can be stored in the IC's volatile memory; BKSEL signal selects between the two sets.