ISL21009CFB50ZR5314T

Overview

The ISL21009CFB50ZR5314T is a series voltage reference IC manufactured by Renesas Electronics Corporation. It provides a fixed output voltage of 5.0V with an initial accuracy tolerance of ±0.025%. The device operates within an input voltage range of 3.5V to 16.5V and draws a supply current of 180µA. It features a maximum temperature coefficient of 3ppm/°C and supports a maximum output current of 7mA. The component is housed in an 8-SOIC package and is rated for an operating temperature range from -40°C to +125°C.

Feature Summary

• Series voltage reference topology providing stable DC precision
• Ultra-low noise performance with specified peak-to-peak values
• High initial accuracy with tight tolerance specifications
• Wide operating temperature range suitable for industrial environments

Applications

• High-end instrumentation systems requiring precise voltage references
• Data acquisition and processing applications demanding high DC precision
• Medical equipment utilizing analog signal chains
• Industrial control systems with strict stability requirements

Procurement Notes

Verify the specific suffix codes against official Renesas documentation to confirm exact electrical parameters, as variations exist within the ISL21009 family. Confirm availability status, as this part number may be subject to discontinuation notices. Ensure compatibility with existing PCB footprints and thermal management requirements before procurement.

Selection Notes

Select this component when a fixed 5.0V reference with ±0.025% accuracy is required. Consider the 3ppm/°C temperature coefficient for applications with significant thermal variation. Evaluate the 180µA supply current against system power budgets. Ensure the 7mA output current capability meets load requirements without exceeding thermal limits in the 8-SOIC package.

Part Context

This part belongs to the FGA™ series of precision voltage references from Renesas Electronics. It utilizes advanced bipolar technology to achieve low noise and high accuracy. The ISL21009 family offers multiple output voltage options including 1.25V, 2.5V, 5.0V, and 7.5V variants, all sharing similar low-noise characteristics and package configurations.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult official Renesas documentation for potential obsolescence notifications or recommended alternative devices within the same product family.