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There is a great need for creating high resolution, high colour depth driver integrated circuits because to the rapid development of liquid crystal display (LCD) television (TV) (ICs).
Compared to a computer monitor, the LCD-TV display is larger and has a higher definition. Its colour quality necessitates greater precision as a result.
A column driver, row driver, timing controller, and reference source often make up an LCD driver system. For a high-quality display to be achieved, the column drivers are especially important [1, 4-5].
Drivers must process 10-bit digital input codes for LCDTV applications before converting the input codes to analogue levels.
The Global TFT-LCD Column Driver Reference Generator market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
A programmable TFT-LCD VREF generator is the ISL24837A from Renesas. It has a programmable 10-bit, 4-channel level shifter reference generator with external gain control, a trimmed bandgap voltage reference, and a digitally controlled VCOM calibrator. It also has a programmable 10-bit, 8-channel gamma DAC generator.
The output voltages of the ISL24837A are independent of AVDD since the reference voltage is established by the bandgap and two external feedback resistors.
The sink-current output of the VCOM calibrator is connected to an external voltage divider. The I2C interface regulates the desired VCOM configuration.
The ability to quickly switch between two different gamma curves stored in internal EEPROM is provided by two banks of channels with external pin or I2C control.
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