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Part No ADR440ARZ
Manufacturer Analog Devices Inc.
Catalog PMIC - Voltage Reference
Description Ultralow Noise, LDO XFET Voltage References with Current Sink and Source

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Pricing & Ordering $10.3147 Historical reference price : is the price that a customer announces that it is willing to pay for this component in the previous period, only for reference.
Unit Price
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Availability: 1,700 pieces
MOQ: 4 pcs
Order Increment : 1 pcs
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Products specifications

Categories Integrated Circuits (ICs)
Manufacturer Analog Devices Inc.
Series XFET
Packaging Tube
Reference Type Series
Output Type Fixed
Output Voltage 2.048V
Output Current 10mA
Tolerance ±0.15%
Temperature Coefficient 10ppm/°C
Noise - 0.1Hz to 10Hz 1μVp-p
Voltage - Input 3 V ~ 18 V
Operating Supply Current 3.75mA
Operating Temperature Range -40°C ~ 125°C (TA)
Mounting SMD
Package 8-SOIC (0.154", 3.90mm Width)
Manufacturer Package 8-SOIC
Win Source Part Number 1141526-ADR440ARZ
Manufacturer Homepage
Family Name ADR440
Introduction Date October 01, 2005
Country of Origin Philippines
Halogen Free Compliant
Estimated EOL Date 2028
Popularity Medium
Fake Threat In the Open Market 36 pct.
Supply and Demand Status Limited
Application Field Used in Power Management
Alternative Parts
VRE302BD; LM4120IM5-1.8/NOPB;  LM4120IM5X-1.8/NOPB;  


Product Overview: ADR440ARZ by Analog Devices Inc.

The ADR440ARZ is a high-precision, low-noise voltage reference component manufactured by Analog Devices Inc., a renowned leader in the field of high-performance analog, mixed-signal, and digital signal processing integrated circuits. This product is part of Analog Devices' ADR440 series and is designed to offer a stable and precise reference voltage for various applications, including data acquisition systems, medical and scientific instrumentation, and high-end industrial equipment.

Key Features

  • Precision Voltage: The ADR440ARZ provides a stable 4.096V output, which is a common reference voltage for analog-to-digital converters (ADCs) and digital-to-analog converters (DACs), ensuring high accuracy in signal conversion.
  • Low Noise: This voltage reference boasts an exceptionally low noise performance of 1.75 µV p-p (0.1 Hz to 10 Hz), which is critical for high-resolution and high-speed applications where noise can significantly affect measurement accuracy.
  • High Stability: With a low temperature coefficient of 3 ppm/°C (max) and long-term stability, the ADR440ARZ ensures consistent performance over a wide temperature range and over time.
  • Wide Supply Range: It operates across a broad supply voltage range from 4.1V to 18V, providing flexibility in various system designs and applications.
  • Sink and Source Capability: The device can source up to 10 mA and sink up to 5 mA, making it versatile for different load conditions.

Package and Reliability

The ADR440ARZ comes in a compact SOIC-8 package, which is suitable for space-constrained applications while still offering excellent thermal performance and reliability. The product is characterized for the extended industrial temperature range of -40°C to +125°C, ensuring reliable operation in harsh environments.


This voltage reference is ideal for precision data acquisition systems, high-resolution converters, battery-powered instruments, and portable medical devices where accuracy and power efficiency are paramount. Its robust design and stable output make it a preferred choice for engineers and designers looking to enhance the performance of their electronic systems.

With its combination of precision, low noise, and high stability, the ADR440ARZ from Analog Devices Inc. is an essential component for achieving high-fidelity signal processing and accurate measurements in a wide array of electronic applications.

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