Overview
Description
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 1µVP-P noise at 0.1Hz with an accuracy over temperature of 0.15% and an accuracy over 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: ±0.15%
- Accuracy over 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 to 300rad(Si)/s): 100krad(Si)
- Low dose rate (0.01rad(Si)/s): 100krad(Si)*
- SET/SEL/SEB: 86MeV•cm2/mg
*Product capability established by initial characterization. The "EH" version is acceptance tested on a wafer-by-wafer basis to 50krad(Si) at low dose rate - Electrically screened to SMD 5962-13211
Comparison
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Design & Development
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Evaluation
ISL71090SEH12EV1Z
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Radiation Hardened Ultra-Low Noise, Precision Voltage Reference Evaluation Board
The ISL71090SEH12EV1Z evaluation board is designed to measure the performance of the radiation hardened, ultra-low noise, high precision ISL71090SEH voltage reference family. The reference has a wide input voltage range from 4V to 30V and an initial accuracy of 0.05%. Its ultra-low voltage noise...
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Models
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Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.
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