The ISL71090SEH12 is an ultra low noise, high DC accuracy precision voltage reference with a wide input voltage range from 4V to 30V. The ISL71090SEH12 uses the Intersil Advanced Bipolar technology to achieve sub 2µVP-P noise at 0.1Hz with an accuracy over temperature and radiation of 0.15.

The ISL71090SEH12 offers a 1.25V 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 ISL71090SEH12 is ideal for high-end instrumentation, data acquisition and applications requiring high DC precision where low noise performance is critical.

Features

• Reference output voltage . . . . . . . . . . . . . . . . . 1.25V ±0.05

• Accuracy over temperature and radiation . . . . . . . . . .±0.15

• Output voltage noise . . . . . . . . . . 1µVP-P Typ (0.1Hz to 10Hz)

• Supply current . . . . . . . . . . . . . . . . . . . . . . . . . . . . 930µA (Typ)

• Tempco (box method) . . . . . . . . . . . . . . . . . . . 10ppm/°C Max

• Output current capability . . . . . . . . . . . . . . . . . . . . . . . . 20mA

• Line regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8ppm/V

• Load regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . 35ppm/mA

• Operating temperature range. . . . . . . . . . . .-55°C to +125°C

• Radiation environment

- High dose rate (50-300rad(Si)/s) . . . . . . . . . . . 100krad(Si)

- Low dose rate (0.01rad(Si)/s) . . . . . . . . . . . . . 100krad(Si)*

- SET/SEL/SEB . . . . . . . . . . . . . . . . . . . . . . . . 86MeV•cm2/mg

Applications

• RH voltage regulators precision outputs

• Precision voltage sources for data acquisition system for space applications

• Strain and pressure gauge for space applications