ADR421BR
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Analog Devices Inc. ADR421BR

Manufacturer No:
ADR421BR
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC VREF SERIES 0.04% 8SOIC
Delivery:
Payment:
iso14001
iso45001
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Product Introduction

Overview

The ADR421BR from Analog Devices Inc. is a precision XFET voltage reference known for its ultra-low noise and high accuracy. This component is part of the ADR421 series, which features patented XFET (eXtra implanted junction FET) technology to minimize nonlinearity of the voltage change with temperature. The ADR421BR is designed to provide a stable output voltage of 2.5V, making it ideal for various precision applications.

Key Specifications

Parameter Value Unit
Output Voltage 2.497 to 2.503 V
Output Current 10 mA
Tolerance ±0.04%
Temperature Coefficient 1 to 3 ppm/°C
Noise (0.1Hz to 10Hz) 1.75µVp-p
Input Voltage Range 4.5V to 18V
Supply Current 600µA
Operating Temperature Range -40°C to 125°C
Package 8-lead SOIC

Key Features

  • Low Noise Performance: The ADR421BR features exceptionally low noise, enhancing signal integrity and making it suitable for high-precision applications.
  • Stable Temperature Coefficient: With a temperature coefficient of 1 to 3 ppm/°C, this component ensures minimal drift over a wide temperature range.
  • High Accuracy and Precision: The output voltage tolerance is ±0.04%, ensuring high accuracy and precision in various applications.
  • Low Power Consumption: The component has a low supply current of 600µA, making it energy-efficient and suitable for battery-powered applications.
  • High Output Current Capability: It can provide up to 10 mA of output current, supporting a wide range of applications.
  • Wide Input Voltage Range: The ADR421BR operates over an input voltage range of 4.5V to 18V, offering flexibility in use.
  • Extended Operating Temperature Range: The component operates reliably from -40°C to 125°C, making it suitable for stringent applications.

Applications

  • Precision Instrumentation: Ideal for applications requiring high precision and stability, such as in precision measurement instruments.
  • Data Acquisition Systems: Used in data acquisition systems to provide a stable reference voltage for accurate data conversion.
  • High-end Audio Equipment: The low noise characteristics make it suitable for high-end audio equipment where signal integrity is crucial.
  • Medical Devices: Used in medical devices that require precise and stable voltage references for accurate measurements and operations.
  • Test and Measurement: Employed in test and measurement equipment to ensure accurate and reliable results.

Q & A

  1. What is the output voltage of the ADR421BR?

    The output voltage of the ADR421BR is 2.5V, with a tolerance of ±0.04%.

  2. What is the temperature coefficient of the ADR421BR?

    The temperature coefficient of the ADR421BR is 1 to 3 ppm/°C.

  3. What is the noise level of the ADR421BR?

    The noise level of the ADR421BR is 1.75µVp-p from 0.1Hz to 10Hz.

  4. What is the input voltage range of the ADR421BR?

    The input voltage range of the ADR421BR is from 4.5V to 18V.

  5. What is the operating temperature range of the ADR421BR?

    The operating temperature range of the ADR421BR is from -40°C to 125°C.

  6. What package type does the ADR421BR come in?

    The ADR421BR comes in an 8-lead SOIC package.

  7. What are some typical applications of the ADR421BR?

    Typical applications include precision instrumentation, data acquisition systems, high-end audio equipment, medical devices, and test and measurement equipment.

  8. How much output current can the ADR421BR provide?

    The ADR421BR can provide up to 10 mA of output current.

  9. Is the ADR421BR energy-efficient?

    Yes, the ADR421BR has low power consumption with a supply current of 600µA, making it energy-efficient.

  10. Can the output voltage of the ADR421BR be adjusted?

    The trim terminal of the ADR421BR can be used to adjust the output voltage over a ±0.5% range without affecting the temperature coefficient.

Product Attributes

Reference Type:Series
Output Type:Fixed
Voltage - Output (Min/Fixed):2.5V
Voltage - Output (Max):- 
Current - Output:10 mA
Tolerance:±0.04%
Temperature Coefficient:3ppm/°C
Noise - 0.1Hz to 10Hz:1.75µVp-p
Noise - 10Hz to 10kHz:- 
Voltage - Input:4.5V ~ 18V
Current - Supply:600µA
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 ADR421BR ADR421BRZ ADR425BR ADR431BR ADR420BR ADR421AR
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 Series - Series
Output Type Fixed Fixed Fixed Fixed - Fixed
Voltage - Output (Min/Fixed) 2.5V 2.5V 5V 2.5V - 2.5V
Voltage - Output (Max) - - - - - -
Current - Output 10 mA 10 mA 10 mA 30 mA - 10 mA
Tolerance ±0.04% ±0.04% ±0.04% ±0.04% - ±0.12%
Temperature Coefficient 3ppm/°C 3ppm/°C 3ppm/°C 3ppm/°C - 10ppm/°C
Noise - 0.1Hz to 10Hz 1.75µVp-p 1.75µVp-p 3.4µVp-p 3.5µVp-p - 1.75µVp-p
Noise - 10Hz to 10kHz - - - - - -
Voltage - Input 4.5V ~ 18V 4.5V ~ 18V 7V ~ 18V 4.5V ~ 18V - 4.5V ~ 18V
Current - Supply 600µA 600µA 600µA 800µA - 600µA
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)
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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