AD7714YRZ-REEL7

Overview

The AD7714YRZ-REEL7 is a complete analog front end for low-frequency measurement applications, featuring a 24-bit sigma-delta ADC with no missing codes. It operates from a single supply of +2.7 V to +3.3 V or +4.75 V to +5.25 V and includes a five-channel programmable gain front end with gains ranging from 1 to 128. The device accepts three fully differential inputs or five pseudo-differential inputs and provides a serial interface compatible with SPI, QSPI, MICROWIRE, and DSP standards. It offers integral nonlinearity of 0.001% FSR and operates within a temperature range of -40°C to +105°C.

Feature Summary

• Features Schmitt trigger inputs on SCLK and DIN for improved noise immunity
• Includes self-calibration, system calibration, and background calibration options
• Provides a low-pass digital filter with programmable cutoff frequencies
• Supports direct connection to transducers via the programmable gain front end

Applications

• Portable industrial instruments
• Portable weigh scales
• Loop-powered systems
• Pressure transducers

Procurement Notes

Verify that the specific part number suffix corresponds to the reel packaging format required for automated assembly processes. Confirm the Y grade designation matches the extended temperature range and lower power specifications needed for the target application environment before finalizing procurement orders.

Selection Notes

Select this component when designing systems requiring high precision signal conditioning directly from sensors. Ensure the microcontroller interface supports the required serial communication protocols. Verify that the available supply voltage aligns with the specified operating range for optimal performance and power consumption characteristics.

Part Context

This component belongs to the AD7714 family of signal conditioning analog-to-digital converters manufactured by Analog Devices Inc. The Y grade variant specifically extends the operational temperature range and improves linearity compared to standard versions. It is designed for integration into smart sensor systems where low power consumption and high accuracy are critical requirements.

Replacement Considerations

Standard AD7714A variants offer similar functionality but operate within a narrower temperature range and lack the Schmitt trigger inputs found in the Y grade. Alternative packages such as SOIC or SSOP may be considered if physical footprint constraints differ, though pin compatibility must be verified.