AD7403-8BRIZ-RL

ADCs/DACs - Special Purpose Overview

The AD7403-8BRIZ-RL is a 16-bit isolated Sigma-Delta modulator from Analog Devices, packaged in an 8-lead wide-body SOIC. It utilizes iCoupler technology for on-chip digital isolation and accepts a differential analog input range of ±250 mV (±320 mV full-scale). The device operates with a 5 V supply (VDD1) and a 3 V to 5.5 V digital supply (VDD2), supporting external clock frequencies between 5 MHz and 20 MHz. It delivers a typical signal-to-noise ratio of 88 dB at 78.1 kSPS and features high common-mode transient immunity exceeding 25 kV/µs.

ADCs/DACs - Special Purpose Feature Summary

• 16-bit resolution with guaranteed no missing codes
• On-board digital isolator based on iCoupler technology
• High common-mode transient immunity >25 kV/µs
• Wide-body SOIC-8 package with safety approvals

ADCs/DACs - Special Purpose Applications

• Shunt current monitoring
• AC motor controls
• Power and solar inverters
• Wind turbine inverters
• Data acquisition systems

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific suffix -RL indicates reel packaging when sourcing. Confirm that the -8 variant meets the required operating temperature range of −40°C to +105°C for your application environment. Ensure compliance with the specified insulation ratings if used in reinforced isolation scenarios.

ADCs/DACs - Special Purpose Selection Notes

Select the AD7403-8 over the standard AD7403 when an 8-lead package is preferred or when the +105°C maximum operating temperature is sufficient. Verify that the system design can accommodate the ±320 mV full-scale input range and provides the necessary external clock frequency between 5 MHz and 20 MHz.

ADCs/DACs - Special Purpose Part Context

This component belongs to the AD7403 family of isolated Sigma-Delta modulators. The AD7403-8 specifically denotes the 8-lead wide-body SOIC package variant, distinct from the 16-lead version. Both variants share identical electrical performance characteristics but differ in physical footprint and thermal resistance parameters.

ADCs/DACs - Special Purpose Replacement Considerations

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