Transcription of a 2-Channel, 256-Position Digital Potentiometer …
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REV. 0 Information furnished by Analog Devices is believed to be accurate andreliable. However, no responsibility is assumed by Analog Devices for itsuse, nor for any infringements of patents or other rights of third parties thatmay result from its use. No license is granted by implication or otherwiseunder any patent or patent rights of Analog Technology Way, Box 9106, Norwood, MA 02062-9106, : 781 : 781/326-8703 Analog Devices, Inc., 20012- channel , 256-PositionDigital PotentiometerFUNCTIONAL BLOCK DIAGRAMRDAC1 REGISTERRRDAC2 REGISTERRPOWER-ONRESETLOGICSERIAL INPUT REGISTERAD52078 SDODGNDSDICSVSSSHDNVDDA1W1B1A2W2B2 CLKFEATURES256-Position, 2-ChannelPotentiometer Replacement10 k , 50 k , 100 k Power Shut-Down, Less than 5 V to V Single Supply V Dual Supply3-Wire SPI-Compatible Serial Data InputMidscale Preset During Power-OnAPPLICATIONSM echanical Potentiometer ReplacementStereo channel Audio Level ControlInstrumentation: Gain, Offset AdjustmentProgrammable Voltage-to-Current ConversionProgrammable Filters, Delays, Time ConstantsLine Impedance MatchingAutomotive Electronics AdjustmentGENERAL DESCRIPTIONThe AD5207 provides dual channel , 256-Position , digitallycontrolled variable resistor (VR) devices that perform the sameelectronic adjustment function
REV. 0 AD5207 –4– CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection.
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