ADR4520BRZ
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Analog Devices Inc. ADR4520BRZ

Manufacturer No:
ADR4520BRZ
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC VREF SERIES 0.02% 8SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The ADR4520BRZ, produced by Analog Devices Inc., is a high precision, low power, and low noise voltage reference. This device is part of the ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/ADR4550 family, known for its excellent temperature stability and low output noise. The ADR4520BRZ features an innovative core topology that achieves high accuracy and industry-leading temperature stability and noise performance. It is particularly suited for applications requiring high precision and reliability over a wide range of temperatures.

Key Specifications

Parameter Symbol Min Typ Max Unit
Output Voltage VOUT 2.048 V
Initial Output Voltage Error VOUT_ERR ±0.02% %
Input Voltage Range VIN 3 15 V
Operating Temperature Range TA −40 +125 °C
Quiescent Current IQ 700 950 μA
Low Dropout Voltage VDO 100 300 mV
Output Current Capacity IL −10 +10 mA
Temperature Coefficient (TCVOUT) 2 ppm/°C
Output Noise (0.1 Hz to 10 Hz) 1 μV p-p
Package Type 8-Lead SOIC

Key Features

  • High precision with ±0.02% maximum initial error for B, C, and D grades.
  • Excellent temperature stability with a temperature coefficient of 2 ppm/°C for B grade and 1 ppm/°C for C grade.
  • Low output noise of 1 μV p-p (typical) in the 0.1 Hz to 10 Hz frequency range.
  • Low quiescent current of 950 μA (maximum) and low dropout voltage of 300 mV at 2 mA.
  • Low long-term output voltage drift, improving system accuracy over time and temperature variations.
  • AEC-Q100 qualified for automotive applications (specific models like ADR4525W).
  • Available in 8-lead SOIC and LCC packages.

Applications

  • Precision data acquisition systems.
  • High resolution data converters.
  • High precision measurement devices.
  • Industrial instrumentation.
  • Medical devices.
  • Automotive battery monitoring.

Q & A

  1. What is the typical output voltage of the ADR4520BRZ?

    The typical output voltage of the ADR4520BRZ is 2.048 V.

  2. What is the maximum initial output voltage error for the B grade of the ADR4520BRZ?

    The maximum initial output voltage error for the B grade is ±0.02%.

  3. What is the operating temperature range for the ADR4520BRZ?

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

  4. What is the quiescent current of the ADR4520BRZ?

    The quiescent current is a maximum of 950 μA.

  5. What is the low dropout voltage of the ADR4520BRZ at 2 mA?

    The low dropout voltage at 2 mA is 300 mV.

  6. What is the output current capacity of the ADR4520BRZ?

    The output current capacity is ±10 mA (sourcing and sinking).

  7. What is the temperature coefficient (TCVOUT) for the B grade of the ADR4520BRZ?

    The temperature coefficient for the B grade is 2 ppm/°C.

  8. What is the typical output noise of the ADR4520BRZ in the 0.1 Hz to 10 Hz frequency range?

    The typical output noise is 1 μV p-p.

  9. In what package types is the ADR4520BRZ available?

    The ADR4520BRZ is available in an 8-lead SOIC package.

  10. Is the ADR4520BRZ qualified for automotive applications?

    No, but the ADR4525W model, which is part of the same family, is AEC-Q100 qualified for automotive applications.

Product Attributes

Reference Type:Series
Output Type:Fixed
Voltage - Output (Min/Fixed):2.048V
Voltage - Output (Max):- 
Current - Output:10 mA
Tolerance:±0.02%
Temperature Coefficient:2ppm/°C
Noise - 0.1Hz to 10Hz:1µVp-p
Noise - 10Hz to 10kHz:- 
Voltage - Input:3V ~ 15V
Current - Supply:950µA
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 ADR4520BRZ ADR4530BRZ ADR4525BRZ ADR4550BRZ ADR4540BRZ ADR4520ARZ
Manufacturer 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
Reference Type Series Series Series Series Series Series
Output Type Fixed Fixed Fixed Fixed Fixed Fixed
Voltage - Output (Min/Fixed) 2.048V 3V 2.5V 5V 4.096V 2.048V
Voltage - Output (Max) - - - - - -
Current - Output 10 mA 10 mA 10 mA 10 mA 10 mA 10 mA
Tolerance ±0.02% ±0.02% ±0.02% ±0.02% ±0.02% ±0.04%
Temperature Coefficient 2ppm/°C 2ppm/°C 2ppm/°C 2ppm/°C 2ppm/°C 4ppm/°C
Noise - 0.1Hz to 10Hz 1µVp-p 1.6µVp-p 1.25µVp-p 2.8µVp-p 2.7µVp-p 1µVp-p
Noise - 10Hz to 10kHz - - - - - -
Voltage - Input 3V ~ 15V 3.1V ~ 15V 3V ~ 15V 5.1V ~ 15V 4.2V ~ 15V 3V ~ 15V
Current - Supply 950µA 950µA 950µA 950µA 950µA 950µA
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)
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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