AD5204 PDF Datasheet


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Description

This is 4-/6-Channel Digital Potentiometers. a FEATURES 256 Position Multiple Independently Programmable Channels AD5204 4-Channel AD5206 6-Channel Potentiometer Replacement 10 k , 50 k , 100 k 3-Wire SPI-Compatible Serial Data Input +2.7 V to +5.5 V Single Supply; 2.7 V Dual Supply Operation Power ON Midscale Preset APPLICATIONS Mechanical Potentiometer Replacement Instrumentation: Gain, Offset Adjustment Programmable Voltage-to-Current Conversion Programmable Filters, Delays, Time Constants Line Impedance Matching CS CLK 4-, 6-Channel Digital Potentiometers AD5204, AD5206 FUNCTIONAL BLOCK DIAGRAMS AD5204 EN A2 A1 A0 D7 ADDR DEC D0 D7 RDAC LATCH #1 R VDD A1 W1 B1 SDO DO SER REG D7 SDI DI D0 8 POWERON PRESET RDAC LATCH #4 D0 R A4 W4 B4 SHDN VSS PR GND GENERAL DESCRIPTION The AD5204, AD5206 provides four-, six-channel, 256 position digitally-controlled Variable Resistor (VR) devices. These devices perform the same electronic adjustment function as a potentiometer or variable resistor. Each channel of the AD5204, AD52.