ADR4525ARZ
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Analog Devices Inc. ADR4525ARZ

Manufacturer No:
ADR4525ARZ
Manufacturer:
Analog Devices Inc.
Package:
Bulk
Description:
IC VREF SERIES 0.04% 8SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The ADR4525ARZ, produced by Analog Devices Inc., is a high-precision, low-power, low-noise voltage reference. This device is part of the ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/ADR4550 family, known for its innovative core topology that achieves high accuracy and industry-leading temperature stability and noise performance. The ADR4525ARZ is particularly suited for applications requiring stable voltage references across a wide range of temperatures and conditions.

Key Specifications

ParameterSymbolTest Conditions/CommentsMinTypMaxUnit
Output VoltageVOUTVIN = 3 V to 15 V, IL = 0 mA, TA = 25°C2.500V
Initial Output Voltage ErrorVOUT_ERRB grade±0.02%%
Temperature CoefficientTCVOUTB grade, −40°C ≤ TA ≤ +125°C2 ppm/°Cppm/°C
Line RegulationΔVOUT/ΔVIN−40°C ≤ TA ≤ +125°C1 ppm/Vppm/V
Load RegulationΔVOUT/ΔILIL = 0 mA to +10 mA source, −40°C ≤ TA ≤ +125°C30 ppm/mAppm/mA
Operating Current950 μAμA
Low Dropout VoltageAt 2 mA300 mVmV
Operating Temperature RangeTA−40°C+125°C°C
Supply VoltageVIN16 VV

Key Features

  • High precision with ±0.02% maximum initial error (B grade)
  • Low power consumption with a maximum operating current of 950 μA
  • Low noise and excellent temperature stability
  • Low dropout voltage of 300 mV at 2 mA
  • Available in 8-lead SOIC and LCC packages
  • Extended industrial temperature range of −40°C to +125°C
  • Low thermally induced output voltage hysteresis and low long-term output voltage drift
  • Qualified for automotive applications (ADR4525W)

Applications

The ADR4525ARZ is suitable for a variety of applications that require high-precision voltage references, including:

  • Portable equipment due to its low power consumption and low dropout voltage
  • Automotive systems, with the ADR4525W version qualified for such applications
  • RF front-end GaN power amplifier biasing, protection, and control
  • High-precision measurement and instrumentation
  • Power supply systems requiring stable voltage references

Q & A

  1. What is the output voltage of the ADR4525ARZ?
    The output voltage of the ADR4525ARZ is 2.5 V.
  2. What is the maximum initial error of the ADR4525ARZ?
    The maximum initial error is ±0.02% for B grade devices.
  3. What is the operating current of the ADR4525ARZ?
    The maximum operating current is 950 μA.
  4. What is the low dropout voltage of the ADR4525ARZ?
    The low dropout voltage is 300 mV at 2 mA.
  5. What are the available package types for the ADR4525ARZ?
    The device is available in 8-lead SOIC and LCC packages.
  6. What is the operating temperature range of the ADR4525ARZ?
    The operating temperature range is −40°C to +125°C.
  7. Is the ADR4525ARZ suitable for automotive applications?
  8. What are some typical applications of the ADR4525ARZ?
    Typical applications include portable equipment, RF front-end GaN power amplifier biasing, and high-precision measurement and instrumentation.
  9. What is the line regulation of the ADR4525ARZ?
    The line regulation is 1 ppm/V over the temperature range of −40°C to +125°C.
  10. What is the load regulation of the ADR4525ARZ?
    The load regulation is 30 ppm/mA from 0 mA to +10 mA source current over the temperature range of −40°C to +125°C.

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:4ppm/°C
Noise - 0.1Hz to 10Hz:1.25µVp-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 ADR4525ARZ ADR4525BRZ ADR4525CRZ ADR4520ARZ
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Active Active Active
Reference Type Series Series Series Series
Output Type Fixed Fixed Fixed Fixed
Voltage - Output (Min/Fixed) 2.5V 2.5V 2.5V 2.048V
Voltage - Output (Max) - - - -
Current - Output 10 mA 10 mA 10 mA 10 mA
Tolerance ±0.04% ±0.02% ±0.02% ±0.04%
Temperature Coefficient 4ppm/°C 2ppm/°C 1ppm/°C 4ppm/°C
Noise - 0.1Hz to 10Hz 1.25µVp-p 1.25µVp-p 1.25µVp-p 1µVp-p
Noise - 10Hz to 10kHz - - - -
Voltage - Input 3V ~ 15V 3V ~ 15V 3V ~ 15V 3V ~ 15V
Current - Supply 950µA 950µA 950µA 950µA
Current - Cathode - - - -
Operating Temperature -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) 0°C ~ 70°C (TA) -40°C ~ 125°C (TA)
Mounting Type 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)
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC 8-SOIC

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