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BUF08821 - Programmable Gamma-Voltage Generator and Vcom Calibrator

General Description

The BUF08821 offers eight programmable gamma channels plus one programmable VCOM channel.

The final gamma and VCOM values can be stored in the on-chip, nonvolatile memory.

Key Features

  • 1.
  • 234 10-BIT.

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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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BUF08821 BUF08821 www.ti.com SBOS438D – AUGUST 2008 – REVISED JULY 2011 Programmable Gamma-Voltage Generator and VCOM Calibrator with Integrated Two-Bank Memory Check for Samples: BUF08821 FEATURES 1 •234 10-BIT RESOLUTION • 8-CHANNEL P-GAMMA • 1-CHANNEL P-VCOM • 16x REWRITABLE NONVOLATILE MEMORY • TWO INDEPENDENT PIN-SELECTABLE MEMORY BANKS • RAIL-TO-RAIL OUTPUT: 300mV Minimum Swing-to-Rail (10mA) > 300mA Maximum IOUT • LOW SUPPLY CURRENT • SUPPLY VOLTAGE: 9V to 20V • DIGITAL SUPPLY: 2V to 5.5V • I2C™ INTERFACE: Supports 400kHz and 3.4MHz Clock Frequency APPLICATIONS • TFT-LCD REFERENCE DRIVERS BKSEL Digital Analog (2.0V to 5.5V) (9V to 20V) 1 DESCRIPTION The BUF08821 offers eight programmable gamma channels plus one programmable VCOM channel.