ADR03BR
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Analog Devices Inc. ADR03BR

Manufacturer No:
ADR03BR
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC VREF SERIES 0.1% 8SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The ADR03BR, produced by Analog Devices Inc., is a precision 2.5 V voltage reference device. It is part of the ADR01, ADR02, ADR03, and ADR06 series, which are known for their high accuracy, high stability, and low power consumption. The ADR03BR is housed in an 8-lead SOIC package and is designed to be a drop-in replacement for the industry-standard REF03, with the additional feature of temperature monitoring.

The device operates over a wide supply voltage range and is suitable for general-purpose and space-constrained applications. It is also qualified for automotive applications when in the A grade 8-lead SOIC package.

Key Specifications

Parameter Symbol Conditions Min Typ Max Unit
Output Voltage VO A and C grades 2.495 2.500 2.505 V
Initial Accuracy VOERR A and C grades 5 mV 0.2 %
Initial Accuracy VOERR B grades 2.5 mV 0.1 %
Temperature Coefficient TCS 3 ppm/°C
Supply Current ISUPPLY TA = 25°C 0.4 0.6 0.8 mA
Temperature Range TA -40°C +125°C
Short Circuit to GND ISC 30 mA
Temperature Sensor Voltage Output VTEMP 550 mV
Temperature Sensitivity TCVTEMP 1.96 mV/°C

Key Features

  • Ultracompact packages: Available in 5-lead SC70, 5-lead TSOT, and 8-lead SOIC packages, making them ideal for space-constrained applications.
  • High Accuracy: Initial accuracy of ±0.1% for B grades and ±0.2% for A and C grades.
  • Low Drift: Low temperature coefficient of 3 ppm/°C typical.
  • Wide Operating Range: Operates from a supply voltage range of 4.5 V to 36.0 V (4.5 V to 26.0 V for ADR03WARZ).
  • Low Power Consumption: Supply current as low as 0.4 mA.
  • Temperature Monitoring: The TEMP pin can be used for temperature sensing and approximation with an external buffer and resistor network.
  • TRIM Pin: Provided for fine adjustment of the output voltage.
  • Automotive Qualified: A grade in 8-lead SOIC is qualified for automotive applications.

Applications

  • Precision Data Acquisition Systems
  • High Resolution Converters
  • Industrial Process Control Systems
  • Precision Instruments
  • Auto Battery Monitoring
  • PCMCIA Cards

Q & A

  1. What is the output voltage of the ADR03BR?

    The output voltage of the ADR03BR is 2.5 V.

  2. What are the available package options for the ADR03BR?

    The ADR03BR is available in 8-lead SOIC packages.

  3. What is the initial accuracy of the ADR03BR?

    The initial accuracy of the ADR03BR is ±0.1% for B grades and ±0.2% for A and C grades.

  4. What is the temperature coefficient of the ADR03BR?

    The temperature coefficient of the ADR03BR is 3 ppm/°C typical.

  5. What is the operating temperature range of the ADR03BR?

    The operating temperature range of the ADR03BR is -40°C to +125°C.

  6. Can the ADR03BR be used for temperature sensing?
  7. Is the ADR03BR qualified for automotive applications?
  8. What is the supply current of the ADR03BR?

    The supply current of the ADR03BR is as low as 0.4 mA.

  9. Can the output voltage of the ADR03BR be adjusted?
  10. What are some typical applications of the ADR03BR?

Product Attributes

Reference Type:Series
Output Type:Fixed
Voltage - Output (Min/Fixed):2.5V
Voltage - Output (Max):- 
Current - Output:10 mA
Tolerance:±0.1%
Temperature Coefficient:3ppm/°C
Noise - 0.1Hz to 10Hz:6µVp-p
Noise - 10Hz to 10kHz:- 
Voltage - Input:4.5V ~ 36V
Current - Supply:1mA
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 ADR03BR ADR03BRZ ADR06BR ADR01BR ADR02BR ADR03AR
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) 2.5V 2.5V - - 5V -
Voltage - Output (Max) - - - - - -
Current - Output 10 mA 10 mA - - 10 mA -
Tolerance ±0.1% ±0.1% - - ±0.06% -
Temperature Coefficient 3ppm/°C 3ppm/°C - - 3ppm/°C -
Noise - 0.1Hz to 10Hz 6µVp-p 6µVp-p - - 10µVp-p -
Noise - 10Hz to 10kHz - - - - - -
Voltage - Input 4.5V ~ 36V 4.5V ~ 36V - - 7V ~ 36V -
Current - Supply 1mA 1mA - - 1mA -
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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