Features: ` 18-CHANNEL GAMMA CORRECTION` 2-CHANNEL PROGRAMMABLE VCOM:100mA IOUT` 10-BIT RESOLUTION` RAIL-TO-RAIL OUTPUT` LOW SUPPLY CURRENT: 900A/ch` SUPPLY VOLTAGE: 7V to 18V` DIGITAL SUPPLY: 2.0V to 5.5V` INDUSTRY-STANDARD, TWO-WIRE INTERFACE:3.4MHz High-Speed Mode` HIGH ESD RATING:4kV HBM, 1kV ...
BUF20800: Features: ` 18-CHANNEL GAMMA CORRECTION` 2-CHANNEL PROGRAMMABLE VCOM:100mA IOUT` 10-BIT RESOLUTION` RAIL-TO-RAIL OUTPUT` LOW SUPPLY CURRENT: 900A/ch` SUPPLY VOLTAGE: 7V to 18V` DIGITAL SUPPLY: 2.0V ...
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US $2.27 - 2.35 / Piece
LCD Gamma Buffers 18-Ch Vltg Generator w/2 Prog VCOM Chs
US $2.27 - 2.35 / Piece
LCD Gamma Buffers 18-Ch Vltg Generator w/2 Prog VCOM Chs
US $2.5 - 2.59 / Piece
LCD Gamma Buffers 18-Ch Vltg Generator w/2 Prog VCOM Chs
The BUF20800 is a programmable voltage reference generator designed for gamma correction in TFT-LCD panels. It provides 18 programmable outputs for gamma correction and two channels for VCOM adjustment, each with 10-bit resolution.
This programmability replaces the traditional, timeconsuming process of changing resistor values to optimize the various gamma voltages and allows designers to determine the correct gamma voltages for a panel very quickly. Required changes can also be easily implemented without hardware changes.
The BUF20800 uses TI's latest, small-geometry analog CMOS process, which makes it a very competitive choice for full production, not just evaluation.
Programming of each output occurs through an industrystandard,two-wire serial interface. Unlike existing programmable buffers, the BUF20800 offers a high-speed mode that allows clock speeds up to 3.4MHz.For lower channel count, please contact your local sales or marketing representative.
The BUF20800 is available in an HTSSOP-38 PowerPAD package. It is specified from −40°C to +85°C.