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AAT1314 Datasheet PROGRAMMABLE GAMMA AND VCOM BUFFERS

Manufacturer: Advanced Analog Technology

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Datasheet Details

Part number AAT1314
Manufacturer Advanced Analog Technology
File Size 479.15 KB
Description PROGRAMMABLE GAMMA AND VCOM BUFFERS
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General Description

The AAT1314 provides a 14-channel programmable gamma reference and a programmable VCOM reference for applications in TFT LCD Panel.

Each of the 14-channel gamma reference voltage is generated using a 10-bit digital-to-analog converter (DAC) together with a buffer via I2C control.

The 14-channel gamma references support dynamic switching between two gamma curves by selecting between two different Banks of data via BKSEL select pin.

Overview

Advanced Analog Technology, Inc.

June 2014 AAT1314 Product information presented is for internal use within AAT Inc.

only.

Key Features

  • Fully I2C Interface Control.
  • Input Supply Voltage Range.
  • 2.3V to 3.6V Logic Supply Range.
  • 6.5V to 18V Analog Supply Range.
  • 14-Channel Programmable Gamma Buffers.
  • 10-Bit, 1024-Step Resolution.
  • ±100mA Output Short Circuit.
  • 10V/μs Slew Rate.
  • Bank Selection.
  • REF Voltage for High Accuracy DAC reference.
  • 1-Channel Programmable VCOM Buffer.
  • 7-Bits, 128-Step Adjustable Sink Current Output.
  • ±200mA Output Short Circuit.
  • 20V/μs Slew Rat.

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