FEATURES
256 Positions AD5260 – 1-Channel AD5262 – 2-Channel (Independently Programmable) Potentiometer Replacement 20 k⍀, 50 k ⍀, 200 k⍀ Low Temperature Coefficient 35 ppm/؇C 4-Wire SPI-Compatible Serial Data Input 5 V to 15 V Single-Supply; ؎5.5 V Dual-Supply Operation Power ON Mid-Scale Preset APPLICATIONS
Mechanical Potentiometer Replacement Instrumentation: Gain, Offset Adjustment Stereo Channel Audio Level Control Programmable Voltage to Current Conversion Programmable Filters, Delays, Time Constants Line Impedance Matching Low Resolution DAC Replacement GENERAL DESCRIPTION
1-/2-Channel 15 V Digital Potentiometers AD5260/AD5262 FUNCTIONAL BLOCK DIAGRAMS A W B SHDN VDD VSS VL CS LOGIC 8 CLK SDI GND SERIAL INPUT REGISTER SDO AD5260 RDAC REGISTER POWER-ON RESET PR A1 W1 B1 A2 W2 B2 SHDN PERCENT OF NOMINAL END-TO-END RESISTANCE – % RAB The AD5260/AD5262 provide a single- or dual-channel, 256position, digitally controlled variable resistor (VR) device.* These devices perform the same electronic adjustment function as a potentiometer or variable resistor.
Analog Devices
