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ISL71091SEH33 Datasheet(PDF) 1 Page - Intersil Corporation

Part # ISL71091SEH33
Description  3.3V Radiation Hardened Ultra Low Noise, Precision Voltage Reference
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL71091SEH33 Datasheet(HTML) 1 Page - Intersil Corporation

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DATASHEET
3.3V Radiation Hardened Ultra Low Noise, Precision
Voltage Reference
ISL71091SEH33
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 Intersil’s 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.
Applications
• Precision voltage sources for data acquisition system for
space applications
• 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 . . . . . . . . . . . . . . . . . . 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 environment
- High dose rate (50-300rad(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. ISL71091SEH33 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
ISL71091SEH33
D12
1.1k
C
NOTE: Select C to minimize
settling time.
DNC
VIN
COMP
GND
DNC
DNC
VOUT
TRIM
1nF
3.297
3.298
3.299
3.300
3.301
3.302
3.303
-65
-45
-25
-5
15
35
55
75
95
115
135
TEMPERATURE (°C)
UNIT 2
UNIT 3
UNIT 4
UNIT 5
UNIT 1
March 18, 2016
FN8429.2
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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