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ISL71090SEH75 Datasheet 7.5v Radiation Hardened Ultra Low Noise / Precision Voltage Reference

Manufacturer: Intersil (now Renesas)

Overview: ISL71090SEH75 7.5V Radiation Hardened Ultra Low Noise, Precision Voltage Reference Datasheet The ISL71090SEH75 is an ultra low noise, high DC accuracy precision voltage reference with a wide input voltage range from 9.2V to 30V. The ISL71090SEH75 uses the advanced bipolar technology to achieve 1.0µVP-P noise at 0.1Hz with an accuracy over temperature of 0.15%. The ISL71090SEH75 offers a 7.5V output voltage with 10ppm/°C temperature coefficient and also provides excellent line and load regulation. The device is offered in an 8 Ld flatpack package. The ISL71090SEH75 is ideal for high-end instrumentation, data acquisition and applications requiring high DC precision where low noise performance is critical. Applications ▪ RH voltage regulators precision outputs ▪ Precision voltage sources for data acquisition system for space applications ▪ Strain and pressure gauge for space applications VIN 0.1µF ISL71090SEH75 1 DNC 2 VIN 3 P 1nF 4 GND 8 DNC 7 DNC 6 VOUT 5 TRIM VDD VEE NOTE: Select C to minimize settling time. REFIN DACOUT VDD D12 VEE BIPOFF D0 GND HS-565BRH VREF 1µF C 1.1k Figure 1.

Key Features

  • Reference output voltage: 7.5V ±0.05%.
  • Accuracy over temperature: ±0.15%.
  • Output voltage noise: 1.0µVP-P typ (0.1Hz to 10Hz).
  • Supply current: 930µA (typical).
  • Tempco (box method): 10ppm/°C max.
  • Output current capability: 20mA.
  • Line regulation: 8ppm/V.
  • Load regulation:10ppm/mA.
  • Operating temperature range: -55°C to +125°C.
  • Radiation acceptance testing (see TID report).
  • High dose rate (50-300rad(Si)/s): 100krad(Si).
  • Low dose rate.

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