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Description:18 - Channel Gamma Buffer with Regulator
Manufacturer:Analog Devices
Datasheet:PDF (605K).
Click here to download *)

The ADD8708 is an 18-channel integrated gamma reference for use in high resolution LCD TV and monitors panels. The output buffers feature high current drive and low offset voltage to provide an accurate and stable gamma cur ve. The top nine channels swing to VDD; the lower nine channels swing to GND. Integrating the gamma setup resistors drastically reduces the external component count while increasing the gamma cur ve accuracy. To accommodate multiple column drivers and panel architectures, the ADD8708 is mask programmable to a 0.2% resolution using the on-chip 500 resistor string. An on-board voltage regulator provides a fixed input for the resistor string, isolating the gamma cur ve from the supply ripple. The ADD8708 is specified over the temperature range of 40C to +105C and comes in both a 48-lead, Pb-free, lead-frame chip-scale package and a Pb-free, low-profile, quad flat package.

Click here to download ADD8708 Datasheet
Click here to download ADD8708 Datasheet
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