ISL21007CFB812Z

Overview

The ISL21007CFB812Z is a series voltage reference IC manufactured by Renesas Electronics Corporation, belonging to the FGA™ product family. It provides a fixed output voltage of 1.25V with an initial accuracy tolerance of ±0.08%. The device operates within an input voltage range of 3.2V to 5.5V and draws a supply current of 150µA. Key performance specifications include a maximum temperature coefficient of 5ppm/°C and a low-frequency noise of 4.5µVp-p in the 0.1Hz to 10Hz bandwidth. It supports a maximum output current of 7mA and functions reliably across an operating temperature range of -40°C to +125°C.

Feature Summary

• Delivers high DC precision with an initial accuracy of ±0.08% for stable reference applications
• Achieves ultra-low noise performance with 4.5µVp-p typical noise in the 0.1Hz to 10Hz band
• Ensures thermal stability through a low temperature coefficient of 5ppm/°C
• Operates efficiently with a low supply current of 150µA

Applications

• High-end instrumentation requiring precise voltage references
• Data acquisition systems demanding high DC accuracy
• Signal processing circuits where low noise is critical

Procurement Notes

Verify component authenticity as this part number may be discontinued or subject to product change notices. Confirm the specific suffix matches the required output voltage and package type. Check for RoHS compliance status and ensure the supplier provides valid traceability documentation. Validate that the received units match the original datasheet specifications regarding electrical parameters and physical dimensions before integration into production designs.

Selection Notes

Select this component when design requirements prioritize low noise and high initial accuracy over adjustable output flexibility. The fixed 1.25V output suits applications needing a stable baseline reference. Ensure the system input voltage remains within the 3.2V to 5.5V operational window. Consider the 8-SOIC package constraints for PCB layout and thermal management during the selection phase.

Part Context

This device is part of the ISL21007 series from Renesas, designed for precision analog applications. It utilizes advanced bipolar technology to achieve sub-microvolt noise levels. The series is engineered for environments requiring long-term stability and minimal drift, making it suitable for sensitive measurement equipment and industrial control systems where signal integrity is paramount.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.