ADD8502

过期

Integrated, High-Accuracy Programmable Grayscale Generator for TFT LCD Panels

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产品技术资料帮助

ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许，也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。
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概述

  • Single Supply Operation
    Output Swings Rail-to-Rail
    Input Voltage Range Extends Below Ground
    Single Supply Capability from 3V to 36V
  • High Load Drive
    Capacitive Load Driver of 500 pF, G=+1
    Output Current of 15mA, 0.5V from Supplies
  • Excellent ac Performance on 2.6mA/Amplifier
    -3dB Bandwidth of 16MHz, G=+1
    350 ns Settling Time to 0.01% (2V Step)
    Slew Rate of 22V/µs
  • Good dc Performance
    800 µV Max Input Offset Voltage
    2µV/°C Offset Voltage Drift
    25 pA Max Input Bias Current
  • Low Distortion
    -108dBc Worst Harmonic @ 20kHz
  • Low Noise
    16nV/vHz @ 10kHz
  • No Phase Inversion with Inputs to the
    Supply Rails

The ADD8502 is an integrated, high-accuracy, programmable grayscale generator. Two sets of five reference voltages are mask programmed to 0.2 percent resolution, allowing designers to optimize color characteristics of the LCD panel. The outputs feature fast, high drive, low power amplifiers that settle quickly during load change. Two serially addressable 10-bit DACs are used to minimize flicker and set endpoint references for the gamma range. Two modes of Power Save can reduce total current to less than 1 µA, and recovery time out of sleep mode is as low as 10us.

The ADD8502 is offered in a 24-Lead 4.0x4.0mm LFCSP package and operates over the extended industrial temperature range of -40°C to +85°C.
ADD8502
Integrated, High-Accuracy Programmable Grayscale Generator for TFT LCD Panels
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