AD7796BRUZ-REEL

Overview

The AD7796BRUZ-REEL is a low-power, 16-bit Sigma-Delta analog-to-digital converter (ADC) designed for high-precision bridge sensor applications. It features an on-chip instrumentation amplifier with a fixed gain of 128 and operates within a power supply range of 2.7 V to 5.25 V. The device supports update rates from 4.17 Hz to 123 Hz and achieves typical RMS noise of 65 nV. It includes a temperature sensor, internal clock oscillator, and simultaneous 50 Hz/60 Hz rejection capabilities.

Feature Summary

• Integrated instrumentation amplifier with fixed gain of 128
• On-chip temperature sensor for bridge compensation
• Internal clock oscillator or external clock synchronization
• Simultaneous 50 Hz/60 Hz line frequency rejection

Applications

• Weigh scales
• Strain gages
• Industrial process control
• Portable instrumentation

Procurement Notes

Verify the specific revision level against the manufacturer's datasheet before procurement. Confirm that the package type matches the required PCB footprint. Ensure the operating voltage requirements align with the system design specifications.

Selection Notes

Select this component for applications requiring high-resolution data acquisition from low-level sensors. Consider the fixed gain of 128 when designing the signal conditioning circuitry. Evaluate the power consumption against battery life requirements for portable devices.

Part Context

This part belongs to the AD7796/AD7797 family of low-power, 16-/24-bit Sigma-Delta ADCs. The AD7796 variant provides 16-bit resolution, while the AD7797 offers 24-bit resolution. Both share similar architectures and are optimized for bridge sensor interfaces.

Replacement Considerations

Check for pin-compatible alternatives within the same product family. Verify functional equivalence regarding gain, resolution, and interface compatibility before substitution.