ADR431ARZ
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Analog Devices Inc. ADR431ARZ

Manufacturer No:
ADR431ARZ
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC VREF SERIES 0.12% 8SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The ADR431ARZ is a high-performance voltage reference from Analog Devices Inc., part of the ADR430/ADR431/ADR433/ADR434/ADR435 series. This component utilizes Analog Devices' XFET (extra implanted junction FET) technology, which ensures low noise, high accuracy, and minimal temperature drift. The ADR431ARZ is designed to operate in 5 V systems with lower current and supply voltage headroom compared to traditional buried Zener references.

This voltage reference is particularly suited for applications requiring precise voltage regulation and low noise performance. It is available in 8-lead MSOP and 8-lead narrow SOIC packages, making it versatile for various design needs.

Key Specifications

Parameter Symbol Test Conditions/Comments Min Typ Max Unit
Output Voltage VOUT A Grade, VIN = 4.5 V to 18 V, IL = 0 mA, TA = 25°C 2.497 2.500 2.503 V
Output Voltage VOUT B Grade, VIN = 4.5 V to 18 V, IL = 0 mA, TA = 25°C 2.499 2.500 2.501 V
Initial Accuracy VOERR A Grade ±3 mV ±0.12 %
Initial Accuracy VOERR B Grade ±1 mV ±0.04 %
Temperature Coefficient TCVOUT A Grade, −40°C < TA < +125°C 2 10 ppm/°C
Temperature Coefficient TCVOUT B Grade, −40°C < TA < +125°C 1 3 ppm/°C
Line Regulation ∆VOUT/∆VIN VIN = 4.5 V to 18 V, −40°C < TA < +125°C 5 20 ppm/V
Load Regulation ∆VOUT/∆IL VIN = 4.5 V to 18 V, −40°C < TA < +125°C ppm/mA
Output Current Capability Up to 30 mA source, up to −20 mA sink
Supply Voltage Headroom 2 V
Operating Temperature Range −40°C +125°C °C
Package Types 8-lead MSOP, 8-lead narrow SOIC

Key Features

  • Low Noise and High Accuracy: The ADR431ARZ features ultralow noise and high accuracy, making it suitable for applications requiring precise voltage regulation.
  • Low Temperature Drift: Utilizing XFET technology, the component minimizes temperature drift, ensuring stable performance across a wide temperature range.
  • Current Sink and Source Capability: The device can source up to 30 mA and sink up to −20 mA of output current.
  • Trim Terminal: A trim terminal allows for adjusting the output voltage over a ±0.5% range without compromising performance.
  • Low Supply Voltage Headroom: Operates with a lower supply voltage headroom of 2 V compared to buried Zener references.
  • Extended Industrial Temperature Range: Specified over the extended industrial temperature range of −40°C to +125°C.
  • Compact Packaging: Available in 8-lead MSOP and 8-lead narrow SOIC packages.

Applications

The ADR431ARZ is ideal for various applications that require high precision and low noise voltage references, including:

  • Industrial Automation: For precise control and measurement systems.
  • Aerospace and Defense: The ADR431-EP version supports defense and aerospace applications, adhering to AQEC standards.
  • Medical Devices: Where accurate and stable voltage references are critical.
  • High-Performance Instrumentation: Such as data acquisition systems, test and measurement equipment, and precision amplifiers.
  • Telecommunications: For reliable and precise voltage regulation in communication systems.

Q & A

  1. What is the output voltage of the ADR431ARZ?

    The output voltage of the ADR431ARZ is 2.500 V, with an initial accuracy of ±3 mV for the A grade and ±1 mV for the B grade.

  2. What is the temperature coefficient of the ADR431ARZ?

    The temperature coefficient (TCVOUT) is 2 ppm/°C for the A grade and 1 ppm/°C for the B grade over the temperature range of −40°C to +125°C.

  3. What is the maximum output current capability of the ADR431ARZ?

    The ADR431ARZ can source up to 30 mA and sink up to −20 mA of output current.

  4. What are the available package types for the ADR431ARZ?

    The component is available in 8-lead MSOP and 8-lead narrow SOIC packages.

  5. What is the operating temperature range of the ADR431ARZ?

    The operating temperature range is −40°C to +125°C.

  6. Does the ADR431ARZ support any specific standards for aerospace and defense applications?

    Yes, the ADR431-EP version supports defense and aerospace applications, adhering to AQEC standards.

  7. How does the ADR431ARZ compare to buried Zener references in terms of supply voltage headroom?

    The ADR431ARZ operates with a lower supply voltage headroom of 2 V, compared to more than 5 V required for buried Zener references.

  8. Can the output voltage of the ADR431ARZ be adjusted?

    Yes, the output voltage can be adjusted over a ±0.5% range using the trim terminal without compromising performance.

  9. What are some typical applications of the ADR431ARZ?

    Typical applications include industrial automation, aerospace and defense, medical devices, high-performance instrumentation, and telecommunications.

  10. What is the line regulation of the ADR431ARZ?

    The line regulation (∆VOUT/∆VIN) is 5 ppm/V to 20 ppm/V over the specified temperature range.

  11. How does the XFET technology in the ADR431ARZ improve its performance?

    The XFET technology minimizes temperature drift and voltage change vs. temperature nonlinearity, ensuring high accuracy and low noise performance.

Product Attributes

Reference Type:Series
Output Type:Fixed
Voltage - Output (Min/Fixed):2.5V
Voltage - Output (Max):- 
Current - Output:30 mA
Tolerance:±0.12%
Temperature Coefficient:10ppm/°C
Noise - 0.1Hz to 10Hz:3.5µVp-p
Noise - 10Hz to 10kHz:- 
Voltage - Input:4.5V ~ 18V
Current - Supply:800µA
Current - Cathode:- 
Operating Temperature:-40°C ~ 125°C (TA)
Mounting Type:Surface Mount
Package / Case:8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:8-SOIC
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Similar Products

Part Number ADR431ARZ ADR434ARZ ADR441ARZ ADR431BRZ ADR435ARZ ADR433ARZ ADR439ARZ ADR421ARZ ADR430ARZ ADR431AR ADR431ARM ADR431ARMZ
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Active Active Active Active Active Obsolete Active Active Obsolete Obsolete Active
Reference Type Series Series Series Series Series Series - Series Series - - Series
Output Type Fixed Fixed Fixed Fixed Fixed Fixed - Fixed Fixed - - Fixed
Voltage - Output (Min/Fixed) 2.5V 4.096V 2.5V 2.5V 5V 3V - 2.5V 2.048V - - 2.5V
Voltage - Output (Max) - - - - - - - - - - - -
Current - Output 30 mA 30 mA 10 mA 30 mA 30 mA 30 mA - 10 mA 30 mA - - 30 mA
Tolerance ±0.12% ±0.12% ±0.12% ±0.04% ±0.12% ±0.13% - ±0.12% ±0.15% - - ±0.12%
Temperature Coefficient 10ppm/°C 10ppm/°C 10ppm/°C 3ppm/°C 10ppm/°C 10ppm/°C - 10ppm/°C 10ppm/°C - - 10ppm/°C
Noise - 0.1Hz to 10Hz 3.5µVp-p 6.25µVp-p 1.2µVp-p 3.5µVp-p 8µVp-p 3.75µVp-p - 1.75µVp-p 3.5µVp-p - - 3.5µVp-p
Noise - 10Hz to 10kHz - - - - - - - - - - - -
Voltage - Input 4.5V ~ 18V 6.1V ~ 18V 3V ~ 18V 4.5V ~ 18V 7V ~ 18V 5V ~ 18V - 4.5V ~ 18V 4.1V ~ 18V - - 4.5V ~ 18V
Current - Supply 800µA 800µA 3.75mA 800µA 800µA 800µA - 600µA 800µA - - 800µA
Current - Cathode - - - - - - - - - - - -
Operating Temperature -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) - -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) - - -40°C ~ 125°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-MSOP 8-MSOP

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