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ADR391 View Datasheet(PDF) - Analog Devices

Part NameADR391 ADI
Analog Devices ADI
DescriptionMicropower, Low Noise Precision Voltage References with Shutdown
ADR391 Datasheet PDF : 20 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
ABSOLUTE MAXIMUM RATINGS
At 25°C, unless otherwise noted.
Table 6.
Parameter
Supply Voltage
Output Short-Circuit Duration to GND
Storage Temperature Range
Operating Temperature Range
Junction Temperature Range
Lead Temperature Range
(Soldering, 60 sec)
Rating
18 V
See derating
curves
–65°C to +125°C
–40°C to +125°C
–65°C to +125°C
300°C
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only and functional operation of the device at these or
any other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
ADR390/ADR391/ADR392/ADR395
THERMAL RESISTANCE
θJA is specified for the worst-case conditions, that is, θJA is
specified for a device soldered in a circuit board for surface-
mount packages.
Table 7. Thermal Resistance
Package Type
θJA
θJC
Unit
TSOT-23-5 (UJ-5)
230
146
°C/W
ESD CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the
human body and test equipment and can discharge without detection. Although this product features
proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy
electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance
degradation or loss of functionality.
Rev. F | Page 7 of 20
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GENERAL DESCRIPTION
The ADR390, ADR391, ADR392, and ADR395 are precision 2.048 V, 2.5 V, 4.096 V, and 5 V band gap voltage references, respectively, featuring low power and high precision in a tiny footprint. Using ADI’s patented temperature drift curvature correction techniques, the ADR39x references achieve a low 9 ppm/°C of temperature drift in the TSOT package.

FEATURES
Compact TSOT-23-5 packages
Low temperature coefficient
   B grade: 9 ppm/°C
   A grade: 25 ppm/°C
Initial accuracy
   B grade: ±4 mV maximum
   A grade: ±6 mV maximum
Ultralow output noise: 5 µV p-p (0.1 Hz to 10 Hz)
Low dropout: 300 mV
Low supply current
   3 µA maximum in shutdown
   120 µA maximum in operation
No external capacitor required
Output current: 5 mA
Wide temperature range
    −40°C to + 125°C

 

APPLICATIONS
Battery-powered instrumentation
Portable medical instrumentation
Data acquisition systems
Industrial process controls
Automotive

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