MAX9669 system equivalent, 10-bit programmable gamma reference system.
integrated multiple-time programmable (MTP) memory to store gamma and VCOM values on the chip, eliminating the need for external EEPROM. The MAX9669 supports up to 100 wr.
Pin Configuration
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AGND AVDD GMA8 GMA7 GMA6 GMA5 GMA4
21 20 19 18 17 16 15
GMA9 22 GMA10 23 GMA11 24 GMA12 2.
The MAX9669 outputs 16 voltage references for gamma correction in TFT LCDs and one voltage reference for VCOM. Each gamma reference voltage has its own 10bit digital-to-analog converter (DAC) and buffer to ensure a stable voltage. The VCOM reference .
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