ADR435ARMZ

Overview

The ADR435ARMZ is a series precision voltage reference from the Analog Devices XFET family, housed in an 8-lead MSOP package. It provides a fixed 5 V output with an initial accuracy of ±0.12% and a maximum temperature coefficient of 10 ppm/°C. The device operates within a supply voltage range of 7.0 V to 18 V, requiring only 2 V of headroom. Quiescent current is typically 800 µA across the -40°C to +125°C operating range. It supports sourcing up to 30 mA and sinking up to -20 mA, featuring a trim terminal for ±5% output adjustment.

Feature Summary

• Utilizes XFET technology to minimize voltage change versus temperature nonlinearity.
• Provides high output source and sink current capability without external capacitors.
• Includes a dedicated trim terminal for precise output voltage adjustment.
• Operates at low supply current with minimal required input-to-output voltage headroom.

Applications

• Precision data acquisition systems
• High resolution data converters
• Medical instruments
• Industrial process control systems

Procurement Notes

Verify the specific suffix (e.g., ARMZ) against the manufacturer's ordering guide to confirm the exact package type and reel specifications. Confirm RoHS compliance status and check for any recent Product Change Notices that may affect pinout or thermal characteristics before finalizing procurement.

Selection Notes

Select this component when a stable 5 V reference is required with low noise and high accuracy. Ensure the system supply voltage allows for the minimum 2 V headroom requirement. Consider the B grade variant if a lower temperature coefficient is needed, or verify if the trim functionality is necessary for calibration purposes.

Part Context

This part belongs to the ADR430/ADR431/ADR433/ADR434/ADR435 series of ultralow noise XFET voltage references. The ADR435 specifically targets 5 V applications, distinguishing itself from other members by its fixed output voltage while sharing the same core technology, package options, and general performance characteristics.

Replacement Considerations

Check for ADR435B variants for improved temperature coefficients. Verify compatibility with ADR43x series components if different output voltages are acceptable.