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LM8342 - Programmable TFT Calibrator

General Description

The LM8342 is an integrated combination of a nonvolatile register (7 bits EEPROM) and a DAC controlled current source.

Using the LM8342, the VCOM calibration procedure is simplified by elimination of the potentiometer adjustment task.

Key Features

  • 1.
  • 2 I2C Compatible Programmable DAC to Set the Output Current.
  • Ensured Monotonic DAC.
  • Non-Volatile Memory to Hold the Setting.
  • EEPROM in System Programmable.
  • No External Programming Voltage Required.
  • Maximum Interface Bus Speed is 400 kHz.
  • SON-10 Package.

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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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LM8342 www.ti.com SNOSAM0B – NOVEMBER 2005 – REVISED MARCH 2013 LM8342 Programmable TFT VCOM Calibrator with Non-Volatile Memory Check for Samples: LM8342 FEATURES 1 •2 I2C Compatible Programmable DAC to Set the Output Current • Ensured Monotonic DAC • Non-Volatile Memory to Hold the Setting • EEPROM in System Programmable • No External Programming Voltage Required • Maximum Interface Bus Speed is 400 kHz • SON-10 Package APPLICATIONS • TFT Panel Factory Calibration • Digital Potentiometer • Programmable Current Sink DESCRIPTION The LM8342 is an integrated combination of a nonvolatile register (7 bits EEPROM) and a DAC controlled current source. Using the LM8342, the VCOM calibration procedure is simplified by elimination of the potentiometer adjustment task.