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ADR431BR View Datasheet(PDF) - Analog Devices

Part NameADR431BR ADI
Analog Devices ADI
DescriptionUltralow Noise XFET® Voltage References with Current Sink and Source Capability
ADR431BR Datasheet PDF : 24 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
ADR430/ADR431/ADR433/ADR434/ADR435/ADR439
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Pin Configurations ........................................................................... 1
General Description ......................................................................... 1
Revision History ............................................................................... 3
Specifications..................................................................................... 4
ADR430 Electrical Characteristics............................................. 4
ADR431 Electrical Characteristics............................................. 5
ADR433 Electrical Characteristics............................................. 6
ADR434 Electrical Characteristics............................................. 7
ADR435 Electrical Characteristics............................................. 8
ADR439 Electrical Characteristics............................................. 9
Absolute Maximum Ratings.......................................................... 10
Thermal Resistance .................................................................... 10
ESD Caution................................................................................ 10
Typical Performance Characteristics ........................................... 11
Theory of Operation ...................................................................... 16
Basic Voltage Reference Connections...................................... 16
Noise Performance ..................................................................... 16
High Frequency Noise ............................................................... 16
Turn-On Time ............................................................................ 17
Applications Information .............................................................. 18
Output Adjustment .................................................................... 18
Reference for Converters in Optical Network Control
Circuits......................................................................................... 18
High Voltage Floating Current Source .................................... 18
Kelvin Connection ..................................................................... 18
Dual Polarity References ........................................................... 19
Programmable Current Source ................................................ 19
Programmable DAC Reference Voltage .................................. 20
Precision Voltage Reference for Data Converters.................. 20
Precision Boosted Output Regulator ....................................... 21
Outline Dimensions ....................................................................... 22
Ordering Guide .......................................................................... 23
Rev. J | Page 2 of 24
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GENERAL DESCRIPTION
The ADR43x series is a family of XFET voltage references featuring low noise, high accuracy, and low temperature drift performance. Using ADI’s patented temperature drift curvature correction and XFET (eXtra implanted junction FET) technology, the ADR43x’s voltage change versus temperature nonlinearity is minimized.

FEATURES
Low noise (0.1 Hz to 10 Hz): 3.5 µV p-p @ 2.5 V output
No external capacitor required
Low temperature coefficient
   A Grade: 10 ppm/°C max
   B Grade: 3 ppm/°C max
Load regulation: 15 ppm/mA
Line regulation: 20 ppm/V
Wide operating range
   ADR430: 4.1 V to 18 V
   ADR431: 4.5 V to 18 V
   ADR433: 5.0 V to 18 V
   ADR434: 6.1 V to 18 V
   ADR435: 7.0 V to 18 V
   ADR439: 6.5 V to 18 V
High output current: +30 mA/−20 mA
Wide temperature range: −40°C to +125°C

APPLICATIONS
Precision data acquisition systems
High resolution data converters
Medical instruments
Industrial process control systems
Optical control circuits
Precision instruments

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