AD7376ARUZ10-R7

Digital Potentiometers Overview

The AD7376ARUZ10-R7 is a high-voltage digital potentiometer manufactured by Analog Devices Inc. It features a single 10 kΩ resistive element with 128 tap positions, housed in a 14-lead TSSOP package. The device supports dual-supply operation from ±4.5 V to ±16.5 V and single-supply operation from 4.5 V to 33 V. It utilizes a 3-wire SPI-compatible serial interface for control. Key electrical specifications include a nominal resistor tolerance of ±30%, a wiper resistance of 120 Ω to 200 Ω depending on supply voltage, and a shutdown supply current of less than 1 µA. The component operates within an extended industrial temperature range of −40°C to +85°C.

Digital Potentiometers Feature Summary

• High-voltage capability supporting up to 30 V single-supply or ±15 V dual-supply operation.
• 128-position resolution with a 10 kΩ nominal resistance and ±30% tolerance.
• 3-wire SPI-compatible serial interface (CS, CLK, SDI) with daisy-chain SDO output.
• Programmable preset functionality via the SHDN pin during power-up sequences.

Digital Potentiometers Applications

• High voltage digital-to-analog converter (DAC) implementations.
• Programmable gain and offset adjustment circuits.
• Actuator control systems requiring solid-state variable resistance.
• Replacement for mechanical potentiometers in precision instrumentation.

Digital Potentiometers Procurement Notes

Verify the specific ordering suffix '-R7' against the manufacturer's official documentation to confirm reel packaging requirements. Ensure that the 10 kΩ resistance value aligns with circuit design constraints, as the AD7376 family also offers 50 kΩ and 100 kΩ variants. Confirm compatibility with the target PCB footprint for the 14-lead TSSOP package before procurement.

Digital Potentiometers Selection Notes

Select this component when high voltage tolerance and low power consumption are required. The 10 kΩ value provides a balance between bandwidth and noise performance compared to higher resistance options. Consider the volatile memory nature of the device; if non-volatile storage is needed, external EEPROM or the programmable preset feature using the SHDN pin must be utilized to retain settings across power cycles.

Digital Potentiometers Part Context

The AD7376 belongs to the iCMOS™ digital potentiometer family from Analog Devices. It is designed to replace mechanical pots in applications demanding reliability and programmability. The 'ARUZ' designation indicates the automotive-grade temperature range (-40°C to +85°C) and the 14-lead TSSOP package type. The '10' suffix specifies the 10 kΩ end-to-end resistance.

Digital Potentiometers Replacement Considerations

Direct replacements within the same family include AD7376ARUZ50 (50 kΩ) and AD7376ARUZ100 (100 kΩ), which share identical pinouts and interfaces but differ in resistance values. Other packages such as the 16-lead SOIC_W are available under different part numbers like AD7376ARMZ.