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Quantity Unit Price(USD) Ext. Price
1 $5.917 $5.92
10 $5.190 $51.90
30 $4.747 $142.41
100 $4.377 $437.70


*The price is for reference only.
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Overview of ADR431ARZ

The ADR431ARZ is a precision voltage reference IC that provides a stable and accurate voltage output for various analog circuits. With its low temperature coefficient and high initial accuracy, this IC is ideal for applications requiring precise voltage references.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VOUT: Voltage Reference Output
  • NC: No Connection
  • ADJ: Adjustment Pin
  • VIN: Supply Voltage Input
  • GND: Ground Connection

Circuit Diagram

Include a circuit diagram depicting the connections and usage of the ADR431ARZ IC for a visual guide.

Key Features

  • Precision Voltage Reference: The ADR431ARZ offers high precision and stability for voltage reference applications.
  • Low Temperature Coefficient: This IC maintains consistent voltage output over a wide temperature range, ensuring accuracy in varying environmental conditions.
  • High Initial Accuracy: With initial accuracy specifications, the ADR431ARZ provides reliable voltage references for analog circuits.
  • Low Noise: The low noise characteristics of this IC contribute to clean voltage output signals in sensitive applications.
  • Small Package: Available in a compact SOT-23 package, suitable for space-constrained designs.

Note: For detailed technical specifications, please consult the ADR431ARZ datasheet.


  • Analog Circuit Calibration: Suitable for calibrating and stabilizing voltage levels in analog circuits.
  • Power Management Systems: Used in power management systems to provide accurate voltage references for efficient operation.
  • Sensor Interface Applications: Ideal for sensor interface circuits requiring precise voltage references.


The ADR431ARZ functions as a reliable voltage reference source, offering stable and accurate voltage outputs for analog circuits, sensors, and other applications requiring precise voltage references.

Usage Guide

  • Input Voltage: Connect VIN (Pin 4) to the supply voltage for proper operation.
  • Output Adjustment: Use the ADJ (Pin 3) pin for fine-tuning the output voltage if necessary.
  • Ground Connection: Ensure a solid connection of the GND (Pin 5) for proper functioning of the IC.

Frequently Asked Questions

Q: What is the typical output voltage accuracy of the ADR431ARZ?
A: The ADR431ARZ typically offers an output voltage accuracy within a few millivolts from the specified reference voltage.

Q: Is the ADR431ARZ suitable for precision analog-to-digital converter (ADC) applications?
A: Yes, the high precision and stability of the ADR431ARZ make it suitable for providing accurate voltage references in ADC applications.


For similar functionalities, consider these alternatives to the ADR431ARZ:

  • LT1236: A precision voltage reference IC with high accuracy and stability for demanding analog circuit applications.
  • REF5025: This voltage reference IC offers low drift and high precision voltage outputs for precision analog systems.


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Voltage References RoHS Details
Mounting Style SMD/SMT Package / Case SOIC-8
Reference Type Series Precision References Output Voltage 2.5 V
Initial Accuracy 0.12 % Temperature Coefficient 1 PPM / C
Series VREF - Input Voltage - Max 18 V Shunt Current - Max 30 mA
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 125 C
Series ADR431 Accuracy 15 ppm/mA
Brand Analog Devices Description/Function 2.5 V high precision, low noise XFET reference with output sink and source capability
Development Kit EVAL-CN0225-SDPZ Height 1.5 mm (Max)
Input Voltage 4.5 V to 18 V Length 5 mm (Max)
Load Regulation 15 ppm/mA Operating Supply Current 800 uA
Output Current 30 mA Product Voltage References
Product Type Voltage References Factory Pack Quantity 98
Subcategory PMIC - Power Management ICs Topology Series References
Width 4 mm (Max) Unit Weight 0.019048 oz

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