AD8802ARUZ-REEL Datasheet

Digital to Analog Converters - DAC


The 12-channel AD8802ARUZ-REEL /AD8804 provides independent digitallycontrollable voltage outputs in a compact 20-lead package. This potentiometer divider TrimDAC&reg; allows replacement of the mechanical trimmer function in new designs. The AD8802ARUZ-REEL/ 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 AD8802ARUZ-REEL/AD8804 contains 12 voltage-output digital-to-analog converters, sharing a common referencevoltage input. AD8802ARUZ-REEL Features &bull;Replaces 12 Potentiometers&bull;Individually Programmable Outputs&bull;3-Wire SPI Compatible Serial Input&bull;Power Shutdown <55 mWatts Including IDD & IREF&bull;Midscale Preset, AD8802&bull;Separate VREFL Range Setting, AD8804&bull;+3 V to +5 V Single Supply Operation AD8802ARUZ-REEL Applications &bull;Automatic Adjustment&bull;Trimmer Replacement&bull;Video and Audio Equipment Gain and Offset Adjustment&bull;Portable and Battery Operated Equipment


[{"Name":"Number of Converters:","Value":"12"},{"Name":"Settling Time:","Value":"600 ns"},{"Name":" Maximum Operating Temperature:","Value":"+ 85 C"},{"Name":"Number of DAC Outputs:","Value":"12"},{"Name":"Conversion Rate:","Value":"1.7 MSPs"},{"Name":"Maximum Power Dissipation:","Value":"20 mW"},{"Name":"Minimum Operating Temperature:","Value":"- 40 C"},{"Name":" Supply Voltage - Max:","Value":"5.5 V "},{"Name":" Supply Voltage - Min:","Value":"2.7 V"},{"Name":"","Value":""}]

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