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ISL71091SEH33 Datasheet 3.3v Radiation Hardened Ultra Low Noise / Precision Voltage Reference

Manufacturer: Intersil (now Renesas)

Overview: ISL71091SEH33 3.3V Radiation Hardened Ultra Low Noise, Precision Voltage Reference Datasheet The ISL71091SEH33 is an ultra low noise, high DC accuracy precision voltage reference with a wide input voltage range from 4.6V to 30V. It uses advanced bipolar technology to achieve 5.2µVP-P 0.1Hz to 10Hz noise with an initial voltage accuracy of 0.05%. The ISL71091SEH33 offers a 3.3V output voltage option with 6ppm/°C temperature coefficient and also provides excellent line and load regulation. The device is offered in an 8 Ld flatpack package. The ISL71091SEH33 is ideal for high-end instrumentation, data acquisition and processing applications requiring high DC precision where low noise performance is critical.

Key Features

  • Reference output voltage: 3.3V ±0.05%.
  • Accuracy over temperature: ±0.15%.
  • Accuracy over radiation: ±0.25%.
  • Output voltage noise: 5.2µVP-P typical (0.1Hz to 10Hz).
  • Supply current: 300µA (typical).
  • VOS temperature coefficient: 6ppm/°C maximum.
  • Output current capability: 10mA/-5mA.
  • Line regulation: 5ppm/V maximum.
  • Load regulation (sourcing): 25ppm/mA maximum.
  • Operating temperature range: -55°C to +125°C.
  • Radiation acceptance testing (see TID r.

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