Analog Devices

ADR445ARZ-REEL7

Voltage Reference

Manufacturer
MPN
ADR445ARZ-REEL7
Product Type
Package / Case
SOIC-8
Key Attributes
Ultralow Noise, LDO XFET Voltage References with Current Sink and Source

Technical Specifications

TypeDescription
Output TypeFixed
Output Voltage5 V
Output Current0.01 A
Working Voltage V11.75 V
Tolerance0.12 %
Iq A0.004 A
Minimum Cathode Current for Regulation-
TypeDescription
Reference TypeSeries
Noise - 1/10Hz to 10Hz2.25uVp-p
Noise - 10Hz to 10kHz-
Operating Temp-40°C ~ +125°C
FeaturesTemperature compensation control
Package / CaseSOIC-8

Product Introduction

The ADR440/ADR441/ADR443/ADR444/ADR445 series is a family of voltage references featuring ultralow noise, high accuracy, and low temperature drift performance. Using temperature drift curvature correction and extra implanted junction FET (XFET) technology, voltage change vs. temperature nonlinearity in the ADR440/ADR441/ADR443/ADR444/ADR445 is greatly minimized.

The XFET references offer better noise performance than buried Zener references, and XFET references operate off low supply voltage headroom (500 mV). This combination of features makes the ADR440/ADR441/ADR443/ADR444/ADR445 family ideally suited for precision signal conversion applications in high end data acquisition systems, optical networks, and medical applications.

The ADR440/ADR441/ADR443/ADR444/ADR445 family has the capability to source up to 10 mA of output current and sink up to -5 mA. It also comes with a trim terminal to adjust the output voltage over a 0.5% range without compromising performance.

Features

  • Ultralow noise (0.1 Hz to 10 Hz) ADR440: 1 µV p-p ADR441: 1.2 µV p-p ADR443: 1.4 µV p-p ADR444: 1.8 µV p-p ADR445: 2.25 µV p-p
  • Superb temperature coefficient A grade: 10 ppm/°C B grade: 3 ppm/°C
  • Low dropout operation (supply voltage headroom): 500 mV
  • Input range: (Vout + 500 mV) to 18 V
  • High output source and sink current +10 mA and -5 mA, respectively
  • Wide temperature range: -40°C to +125°C

Applications

  • - Precision data acquisition systems - High resolution data converters - Battery-powered instrumentation - Portable medical instruments - Industrial process control systems - Precision instruments - Optical control circuits

Datasheet

📄 Open Download

Alternative Parts

Common ADR445ARZ-REEL7 alternatives overseas buyers search for:

Compliance & Export Codes

TypeDetails
RoHSROHS3
ECCNEAR99
CNHTS8542399000
USHTS8542390001
TARIC8542399000
TypeDetails
CAHTS8542390000
BRHTS85423999
INHTS85423900
MXHTS8542.39.99

Sourcing Information

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