AD7400YRWZ-REEL7

ADCs/DACs - Special Purpose Overview

The AD7400YRWZ-REEL7 is an isolated Sigma-Delta modulator from Analog Devices, housed in a 16-lead SOIC package. It converts analog signals into a high-speed 1-bit data stream at a 10 MHz clock rate. The device features on-chip digital isolation and an internal reference. It operates with a 5 V supply (VDD1: 4.5–5.25 V) and a 3–5.5 V logic supply (VDD2). Key electrical parameters include 16-bit resolution without missing codes, ±2 LSB typical INL, and a maximum offset drift of 3.5 µV/°C. Power consumption is limited to 18 mA maximum at 5.25 V.

ADCs/DACs - Special Purpose Feature Summary

• Second-order Sigma-Delta modulator with 10 MHz clock rate
• Integrated iCoupler digital isolator with UL 1577 and IEC/CSA 62368-1 approvals
• On-board voltage reference and 16-bit no missing codes performance
• Low power operation with 18 mA maximum current draw

ADCs/DACs - Special Purpose Applications

• AC motor controls
• Data acquisition systems
• Replacement for A/D converters combined with opto-isolators

ADCs/DACs - Special Purpose Procurement Notes

Verify the REEL7 suffix indicates tape-and-reel packaging rather than tube packaging when sourcing components. Confirm RoHS compliance status as indicated by the Z suffix in the part number. Ensure the operating temperature range meets system requirements of -40°C to +105°C. Check for specific safety certification file numbers if regulatory compliance documentation is required for the final assembly.

ADCs/DACs - Special Purpose Selection Notes

Select this component when galvanic isolation is required between the analog input stage and digital processing logic. The internal reference eliminates the need for external precision voltage sources. Consider the 10 MHz output data rate and the requirement for a Sinc3 digital filter to reconstruct the 16-bit word. Ensure the driving circuit can handle the switched capacitor input characteristics.

ADCs/DACs - Special Purpose Part Context

This model belongs to the AD7400 series of isolated data acquisition devices. It serves as a specialized ADC solution where signal integrity across isolation barriers is critical. The Y version denotes the extended industrial temperature range. The REEL7 variant specifies the bulk packaging format for automated surface-mount assembly processes.

ADCs/DACs - Special Purpose Replacement Considerations

The AD7400YRWZ-REEL is a functional equivalent differing only in packaging format (tube vs. reel). No other direct cross-model substitutes are documented in the provided datasheet.