AD5206BRUZ50

Overview

The AD5206BRUZ50 is a 6-channel, 256-position digitally controlled variable resistor from Analog Devices. It features a 3-wire SPI-compatible serial interface for programming resistance values between terminals A and B or A and Wiper. The device operates on a single supply of +2.7 V to +5.5 V or dual supplies of ±2.7 V. It includes power-on midscale preset functionality and an optional reset pin. The nominal terminal resistance is 50 kΩ with a temperature coefficient of 700 ppm/°C. The component is housed in a 24-lead TSSOP package and supports operation within the industrial temperature range of −40°C to +85°C.

Feature Summary

• Six independently programmable channels with 256 positions each
• 50 kΩ nominal terminal resistance with linear wiper movement
• 3-wire SPI-compatible serial data input (CS, CLK, SDI)
• Power-on midscale preset and hardware reset capability

Applications

• Mechanical potentiometer replacement
• Instrumentation gain and offset adjustment
• Programmable voltage-to-current conversion
• Line impedance matching

Procurement Notes

Verify the specific suffix 'RUZ' against the manufacturer's current ordering guide to confirm the exact package type and tape/reel specifications. Confirm that the 50 kΩ resistance variant matches the system requirements. Check for any recent product change notices regarding availability or manufacturing location updates.

Selection Notes

Select this model when six independent digital potentiometer channels are required in a compact surface-mount package. Ensure the system design accommodates the 50 kΩ end-to-end resistance and the 700 ppm/°C temperature coefficient. Verify that the microcontroller interface supports the 3-wire SPI protocol and can handle the required logic levels for VDD = 3 V or 5 V.

Part Context

This component belongs to the AD5204/AD5206 family of 4-/6-channel digital potentiometers. The AD5206 specifically provides six channels, whereas the AD5204 offers four. Both share similar electrical characteristics and interfaces but differ in channel count and pinout configuration. The BRZ suffix indicates a lead-free RoHS-compliant package.

Replacement Considerations

Direct functional substitutes include other 6-channel digital potentiometers from Analog Devices such as the AD840x series, though channel counts may vary. Cross-referencing with the AD5206 datasheet is recommended to ensure compatibility with existing PCB footprints and control logic.