ISL21007BFB825Z-TK

Product Overview

The Intersil ISL21007BFB825Z-TK is a fixed series voltage reference from the FGA™ family. It provides a fixed 2.5 V output from a 2.7 V to 5.5 V input supply and is specified with a ±0.5% tolerance. The device is offered in an 8-SOIC surface-mount package with a 3.90 mm width, supporting standard PCB assembly. Its 3 ppm/°C temperature coefficient and 4.5 µVp-p noise over the 0.1 Hz to 10 Hz range describe its reference stability and low-frequency noise behavior. The supply current is 150 µA, and the device is rated for operation from -40°C to 125°C.

Key Features

• Fixed 2.5 V series voltage reference output
• Input voltage range of 2.7 V to 5.5 V
• ±0.5% output tolerance
• 3 ppm/°C temperature coefficient
• 4.5 µVp-p noise from 0.1 Hz to 10 Hz
• 150 µA supply current
• Operating temperature range of -40°C to 125°C
• 8-SOIC surface-mount package with 3.90 mm width

Applications

• Fixed reference voltage for analog-to-digital and digital-to-analog converter circuits
• Stable 2.5 V reference for sensor signal conditioning and measurement channels
• Voltage reference for instrumentation and control circuitry

Design & Procurement Notes

When using this reference, ensure the input supply remains within 2.7 V to 5.5 V and account for the fixed 2.5 V output in the system voltage architecture. The ±0.5% tolerance and 3 ppm/°C coefficient should be included in accuracy and drift budgets, particularly when the circuit operates across the -40°C to 125°C range. The 150 µA supply current may be relevant for power-sensitive designs, while the 4.5 µVp-p noise over 0.1 Hz to 10 Hz can be considered for sensitive analog measurement paths. The 8-SOIC surface-mount package supports standard PCB assembly and layout practices.