ADR420BR
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Analog Devices Inc. ADR420BR

Manufacturer No:
ADR420BR
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC VREF SERIES PREC 2.048V 8SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The ADR420BR is an ultraprecision, low-noise voltage reference from Analog Devices Inc., part of the ADR42x series. This device features the patented XFET (eXtra implanted junction FET) technology, which ensures high accuracy, low noise, and excellent long-term stability. The ADR420BR is designed to operate over a wide supply voltage range and is specified over the extended industrial temperature range of −40°C to +125°C, making it suitable for a variety of precision applications.

Key Specifications

Parameter Symbol Conditions Min Typ Max Unit
Output Voltage VOUT 2.048 V
Initial Accuracy ±0.05% %
Temperature Coefficient 3 ppm/°C ppm/°C
Supply Voltage Range VIN 4 V 18 V V
Quiescent Current Iq 0.5 mA mA
Output Current IOUT 10 mA mA
Operating Temperature Range T_A −40°C +125°C °C
Noise (0.1 Hz to 10 Hz) 1.75 µV p-p µV p-p
Load Regulation 70 ppm/mA ppm/mA
Line Regulation 35 ppm/V ppm/V
Output Voltage Hysteresis VO_HYS 40 ppm ppm

Key Features

  • XFET Technology: Utilizes eXtra implanted junction FET technology for superior accuracy and low noise.
  • Low Temperature Coefficient: 3 ppm/°C, ensuring minimal voltage drift with temperature changes.
  • High Accuracy and Stability: Initial accuracy of ±0.05% and long-term stability of 50 ppm/1000 hours.
  • Low Power Consumption: Quiescent current of 0.5 mA maximum.
  • High Output Current: Capable of delivering up to 10 mA of output current.
  • Wide Operating Range: Operates from a supply voltage of 4 V to 18 V.
  • Adjustable Output Voltage: The trim terminal allows for adjusting the output voltage over a ±0.5% range without affecting other performance parameters.
  • Compact Packaging: Available in 8-lead SOIC and 8-lead MSOP packages.

Applications

  • Precision Data Acquisition Systems: Ideal for high-resolution converters and precision measurement systems.
  • Battery-Powered Instrumentation: Suitable for portable medical instruments and other battery-powered devices.
  • Industrial Process Control Systems: Used in precision instruments and industrial control systems.
  • Optical Network Control Circuits: Applied in optical network control and other high-precision applications.
  • Precision Instruments: Utilized in various precision instruments requiring stable and accurate voltage references.

Q & A

  1. What is the output voltage of the ADR420BR?

    The output voltage of the ADR420BR is 2.048 V.

  2. What is the temperature coefficient of the ADR420BR?

    The temperature coefficient of the ADR420BR is 3 ppm/°C.

  3. What is the operating temperature range of the ADR420BR?

    The operating temperature range of the ADR420BR is −40°C to +125°C.

  4. What is the maximum output current of the ADR420BR?

    The maximum output current of the ADR420BR is 10 mA.

  5. Can the output voltage of the ADR420BR be adjusted?

    Yes, the output voltage can be adjusted over a ±0.5% range using the trim terminal.

  6. What is the quiescent current of the ADR420BR?

    The quiescent current of the ADR420BR is 0.5 mA maximum.

  7. What are the typical noise levels of the ADR420BR?

    The noise level of the ADR420BR is 1.75 µV p-p from 0.1 Hz to 10 Hz.

  8. What are the load and line regulation specifications of the ADR420BR?

    The load regulation is 70 ppm/mA, and the line regulation is 35 ppm/V.

  9. In what packages is the ADR420BR available?

    The ADR420BR is available in 8-lead SOIC and 8-lead MSOP packages.

  10. What are some common applications of the ADR420BR?

    The ADR420BR is commonly used in precision data acquisition systems, battery-powered instrumentation, industrial process control systems, optical network control circuits, and precision instruments.

Product Attributes

Reference Type:- 
Output Type:- 
Voltage - Output (Min/Fixed):- 
Voltage - Output (Max):- 
Current - Output:- 
Tolerance:- 
Temperature Coefficient:- 
Noise - 0.1Hz to 10Hz:- 
Noise - 10Hz to 10kHz:- 
Voltage - Input:- 
Current - Supply:- 
Current - Cathode:- 
Operating Temperature:- 
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 ADR420BR ADR420BRZ ADR421BR ADR425BR ADR430BR ADR420AR
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Active Obsolete Obsolete Obsolete Obsolete
Reference Type - Series Series Series - -
Output Type - Fixed Fixed Fixed - -
Voltage - Output (Min/Fixed) - 2.048V 2.5V 5V - -
Voltage - Output (Max) - - - - - -
Current - Output - 10 mA 10 mA 10 mA - -
Tolerance - ±0.05% ±0.04% ±0.04% - -
Temperature Coefficient - 3ppm/°C 3ppm/°C 3ppm/°C - -
Noise - 0.1Hz to 10Hz - 1.75µVp-p 1.75µVp-p 3.4µVp-p - -
Noise - 10Hz to 10kHz - - - - - -
Voltage - Input - 4V ~ 18V 4.5V ~ 18V 7V ~ 18V - -
Current - Supply - 600µA 600µA 600µA - -
Current - Cathode - - - - - -
Operating Temperature - -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
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)
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC

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