ISL21009CFB825Z

Overview

The ISL21009CFB825Z is a high voltage input precision, low noise FGA™ voltage reference manufactured by Intersil. It provides a fixed output voltage of 2.5V with an initial accuracy of ±0.04%. The device operates within an input voltage range of 3.5V to 16.5V and features a maximum supply current of 180µA. It delivers an output current capability of up to 7mA and exhibits a temperature coefficient of 3ppm/°C. Low-frequency noise is specified at 4.5µVp-p from 0.1Hz to 10Hz. The component is housed in an 8-lead SOIC package and supports an operating temperature range of -40°C to +125°C.

Feature Summary

• Utilizes FGA™ technology for ultra-low noise performance
• Supports wide input voltage range up to 16.5V
• Provides high DC accuracy with minimal temperature drift

Applications

• High resolution A/D and D/A converters
• Precision digital meters
• Industrial instrumentation equipment

Procurement Notes

Verify the specific suffix 'CF' against official Renesas documentation, as standard listings often use 'FB'. Confirm RoHS compliance status and check for End-of-Life notifications, as the base ISL21009 series has faced discontinuation notices. Ensure the manufacturer source is explicitly Renesas or Intersil rather than generic distributors.

Selection Notes

Select this component when high precision and low noise are critical in high-voltage environments. The wide input range allows flexibility in power supply design. Compare against the ISL21090 series if lower noise or different accuracy tiers are required. Verify that the 8-lead SOIC package fits the target PCB layout constraints.

Part Context

This part belongs to the ISL21009 family of precision voltage references. The family includes variants with different output voltages such as 1.25V, 4.096V, and 5.0V. The 'CF' suffix indicates specific manufacturing or packaging details defined by the original Intersil specifications.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data.