DS3514 I²C Gamma and VCOM

ds3514 i²c gamma and vcom buffer with eeprom ds3514 description
com voltage generator that supports both real-time updating as well as multibyte storage of gamma/vcom data in on-chip eeprom memory. an independent 10-bit dac, two 10-bit data registers, and four words of eeprom memory are provided for each individually addressable gamma or vcom channel. high-performance buffer amplifiers are integrated on-chip, providing rail-to-rail, low-power (400µa/gamma channel) operation. the vcom channel features a high current drive (> 250ma peak) and a fast-settling buffer amplifier optimized to drive the vcom node of a wide range of tft-lcd panels.
programming occurs through an i²c-compatible serial interface. interface performance and flexibility are enhanced by a pair of independently loaded data latches per channel, as well as support for i²c speeds up to 400khz. the multitable eeprom memory enables a rich variety of display system enhancements, including support for temperature or light-level dependent gamma tables, enabling of factory or field automated display adjustment, and support for backlight dimming algorithms to reduce system power. upon power-up and depending on mode, dac data is selected from eeprom by the s0/s1 pins or from a fixed memory address.
ds3514 pdf datasheet
ds3514 key features
10-bit gamma buffers, 14 channels 8-bit vcom buffer, 1 channel four 10-bit eeprom words per channel low-power 400 µa/ch gamma buffers i²c-compatible serial interface flexible control from i²c or pins 9.0v to 15.0v analog supply 2.7v to 5.5v digital supply 48-pin tqfn package (7mm x 7mm)
ds3514 applications/uses
adaptive gamma and vcom adjustment (real time by i²c, select eeprom through i²c or s0/s1 pins
industrial process control
tft-lcd gamma and vcom buffer

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DS3514 I²C Gamma and VCOM
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