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MAX9665 - Nonvolatile Programmable Gamma and VCOM Reference Voltages

General Description

The MAX9665/MAX9666/MAX9667 provide 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 buffer with high peak current.

Key Features

  • o 6/8/10 Channels Gamma Correction, 10-Bit Resolution o VCOM Driver o Integrated Multiple-Time Programmable Memory o DAC Reference Input o Single-Wire and I2C Programming of VCOM Reference o 950mA Peak Transient Current on VCOM Channel Functional Diagrams AVDD REF 10 DAC 10 DAC 10 DAC MTP MEMORY I2C.

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Other Datasheets by Maxim Integrated (now Analog Devices)

Part Number Description
MAX9666 Nonvolatile Programmable Gamma and VCOM Reference Voltages
MAX9667 Nonvolatile Programmable Gamma and VCOM Reference Voltages
MAX9600 Ultra-High-Speed Comparators
MAX961 Beyond-the-Rails Comparators
MAX962 Beyond-the-Rails Comparators

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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19-5000; Rev 4; 7/10 MAX9665/MAX9666/MAX9667 6/8/10-Channel, 10-Bit, Nonvolatile Programmable Gamma and VCOM Reference Voltages General Description The MAX9665/MAX9666/MAX9667 provide 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 buffer with high peak current. This reduces the recovery time of the output voltage when critical levels and patterns are displayed. These devices include multiple-time programmable (MTP) memory to store gamma and VCOM codes on the chip, eliminating the need for external EEPROM. The MTP memory supports up to 300 write operations.