ISL21009CFB50ZR5314

Overview

The ISL21009CFB50ZR5314 is a precision voltage reference IC from the FGA series, manufactured by Renesas Electronics Corporation. It provides a fixed output voltage of 5.0V with an initial accuracy of ±0.04%. The device operates within an input voltage range of 3.5V to 16.5V and draws a maximum supply current of 180µA. It features low noise characteristics, specified as 4.5µVp-p in the 0.1Hz to 10Hz band and 22µVrms in the 10Hz to 10kHz band. The temperature coefficient is 3ppm/°C, and it supports an output current of up to 7mA. The component is housed in an 8-SOIC package and functions across a wide operating temperature range of -40°C to +125°C.

Feature Summary

• Delivers high-precision voltage referencing with ultra-low initial accuracy tolerance for critical signal chain applications.
• Maintains exceptional stability over wide temperature variations through a minimal temperature coefficient design.
• Ensures signal integrity in sensitive analog circuits via significantly reduced low-frequency noise performance.

Applications

• High-resolution analog-to-digital and digital-to-analog converter systems
• Precision digital metering instrumentation
• Industrial and laboratory measurement equipment

Procurement Notes

Verify component authenticity and datasheet alignment due to end-of-life status. Confirm RoHS compliance and moisture sensitivity level requirements during handling. Check for valid replacement part numbers if new designs are required, as availability may be limited.

Selection Notes

Select this component when high DC accuracy and low drift are prioritized over power consumption constraints. Ensure the system input voltage remains within the specified operational limits. Consider the 8-SOIC package dimensions for PCB layout compatibility.

Part Context

This part belongs to the FGA series of high-voltage input precision voltage references. It is designed for applications requiring stable reference voltages in harsh environments. The series is characterized by its ability to operate with higher input voltages while maintaining low noise profiles suitable for precision data conversion.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify cross-reference options with manufacturer support channels.