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12通道8位修剪DAC与电源关闭AD8802/AD8804数据表

消耗积分:0 | 格式:rar | 大小:0.42 MB | 2017-10-16

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  The 12-channel AD8802/AD8804 provides independent digitallycontrollable voltage outputs in a compact 20-lead package. This potentiometer divider TrimDAC® allows replacement of the mechanical trimmer function in new designs. The AD8802/ AD8804 is ideal for dc voltage adjustment applications. Easily programmed by serial interfaced microcontroller ports, the AD8802 with its midscale preset is ideal for potentiometer replacement where adjustments start at a nominal value. Applications such as gain control of video amplifiers, voltage controlled frequencies and bandwidths in video equipment, geometric correction and automatic adjustment in CRT computer graphic displays are a few of the many applications ideally suited for these parts. The AD8804 provides independent control of both the top and bottom end of the potentiometer divider allowing a separate zero-scale voltage setting determined by the VREFL pin. This is helpful for maximizing the resolution of devices with a limited allowable voltage control range. Internally the AD8802/AD8804 contains 12 voltage-output digital-to-analog converters, sharing a common referencevoltage input.
12通道8位修剪DAC与电源关闭AD8802/AD8804数据表

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