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ISL71091SEH20 Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL71091SEH20 Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 16 page 1 DATASHEET 2.048V Radiation Hardened Ultra Low Noise, Precision Voltage Reference ISL71091SEH20 The ISL71091SEH20 is an ultra low noise, high DC accuracy precision voltage reference with a wide input voltage range from 4.2V to 30V. It uses Intersil’s advanced bipolar technology to achieve 3.8µVP-P 0.1Hz to 10Hz noise with an initial voltage accuracy of 0.05%. The ISL71091SEH20 offers a 2.048V 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 ISL71091SEH20 is ideal for high-end instrumentation, data acquisition and processing applications requiring high DC precision where low noise performance is critical. Applications • Precision voltage sources for data acquisition system for space application • Strain and pressure gauge for space applications • Radiation hardened PWM requiring precision outputs Related Literature • AN1906, “ISL71091SEHxxEV1Z User’s Guide” • AN1938, “Single Event Effects (SEE) Testing of the ISL71091SEHxx Precision Voltage References Family” • AN1939, “Total Dose Testing of the ISL71091SEHxx Precision Voltage Reference” Features • Reference output voltage . . . . . . . . . . . . . . . .2.048V ±0.05% • Accuracy over temperature . . . . . . . . . . . . . . . . . . . . . ±0.15% • Accuracy over radiation . . . . . . . . . . . . . . . . . . . . . . . . ±0.25% • Output voltage noise . . . . . . 3.8µVP-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) . . . . . . . . . 40ppm/mA maximum • 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)* - SEL/SEB free (VCC = 36V) . . . . . . . . . . . . 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 5962-14208 FIGURE 1. ISL71091SEH20 TYPICAL APPLICATION DIAGRAM FIGURE 2. VOUT vs TEMPERATURE 0.1µF VEE VDD REFIN VDD BIPOFF VEE DACOUT GND VIN VREF 1µF D0 HS-565BRH 1 2 3 4 6 8 7 5 ISL71091SEH20 D12 1.1k C NOTE: Select C to minimize settling time. DNC VIN COMP GND DNC DNC VOUT TRIM 1nF 2.045 2.046 2.047 2.048 2.049 2.050 2.051 -65 -45 -25 -5 15 35 55 75 95 115 135 UNIT 1 UNIT 3 UNIT 2 UNIT 4 UNIT 5 TEMPERATURE (°C) March 17, 2016 FN8632.2 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2014, 2016. All Rights Reserved Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners. |
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