AD7793BRUZ

Overview

The AD7793BRUZ is a low power, low noise, complete analog front end for high precision measurement applications. It contains a low noise 24-bit Σ-Δ ADC with three differential analog inputs and an on-chip programmable gain instrumentation amplifier. The device features a precision internal band gap reference or accepts an external differential reference. It operates with a power supply from 2.7 V to 5.25 V, consuming 400 μA typical current. The output data rate is software-programmable from 4.17 Hz to 470 Hz. It includes programmable excitation current sources, burnout currents, and a bias voltage generator.

Feature Summary

• Integrated 24-bit Sigma-Delta ADC with three differential analog inputs
• On-chip low noise programmable gain instrumentation amplifier
• Internal band gap reference with low drift or external reference capability
• Programmable excitation current sources and burnout currents

Applications

• Thermocouple measurements
• RTD measurements
• Industrial process control
• Portable instrumentation
• Smart transmitters

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct package type and temperature range. Confirm that the component meets all required electrical specifications for the intended application environment before finalizing procurement decisions.

Selection Notes

Select this component when high precision and low noise are critical requirements for signal conditioning. Consider the integrated PGA and reference capabilities to simplify circuit design. Ensure the operating voltage and update rate requirements align with the system's power budget and performance needs.

Part Context

The AD7793BRUZ belongs to the AD7792/AD7793 family of analog-to-digital converters. These devices are designed as complete analog front ends for high precision measurement applications. The BRUZ suffix indicates a specific package and temperature range variant within the broader product line.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.