Ultra Low Noise, Precision Voltage Reference Evaluation Board


The ISL21090xxEV1Z evaluation board is designed to measure the performance of the high precision ISL21090 voltage references. The reference has a wide input voltage range from 3.7V to 36V and an initial accuracy of 0.02% (2.5V option). The voltage noise of less than 2µVP-P in the 0.1Hz to 10Hz range and maximum output voltage temperature coefficient of 7 ppm/°C make the ISL21090 ideal for high end applications.

Key Features

  •  Reference output voltage option
    • 1.25V, 2.5V, 5.0V and 7.5V
  • Output voltage noise (0.1Hz to 10Hz): 1.0µVP-P typ (1.25V option)
  • Supply current: 750µA (1.25V option)
  • Temperature coefficient: 7ppm/°C max
  • Output current capability: 20mA
  • Line regulation: 6ppm/V (1.25V option)
  • Load regulation: 2.5ppm/mA (1.25V option)
  • Operating temperature range: -40°C to +125°C


  • High-End  Instrumentation
  • Precision Voltage Sources for Data Acquisition System, Industrial Control, Communication Infrastructure
  • Process Control and Instrumentations
  • Active Source for Sensors

ISL21090xxEV1Z Precision Voltage Reference Evaluation Boards

ISL21090xxEV1Z Precision Voltage Reference Evaluation Boards



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