1. Products
  2. Analog Functions
  3. Voltage References
  4. Series Voltage References
  5. ADR445


Alternative Parts

Overview

Features and Benefits

  • 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

Product Details

The ADR440/ADR441/ADR443/ADR444/ADR445 series is a family of XFET® voltage references featuring ultralow noise, high accuracy, and low temperature drift performance. Using Analog Devices, Inc., patented temperature drift curvature correction and XFET (eXtra implanted junction FET) 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.

The ADR440/ADR441/ADR443/ADR444/ADR445 family is available in 8-lead MSOP and narrow SOIC packages and offered in two electrical grades. All versions are specified over the extended industrial temperature range of −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

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Documentation & Resources

  • View All (13)
  • Data Sheet (1)
  • Application Note (1)
  • User Guide (1)
  • Product Highlight (1)
  • Frequently Asked Question (1)
  • Circuit Note (4)
  • Technical Article (4)
  • Reference Designs (4)

    Product Recommendations

    ADR445 Companion Parts

    Recommended Related Parts

    Design Resources

    ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.

    Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
    ADR445ARMZ Material Declaration Reliability Data 8-Lead MSOP
    ADR445ARMZ-REEL7 Material Declaration Reliability Data 8-Lead MSOP
    ADR445ARZ Material Declaration Reliability Data 8-Lead SOIC
    ADR445ARZ-REEL7 Material Declaration Reliability Data 8-Lead SOIC
    ADR445BRZ Material Declaration Reliability Data 8-Lead SOIC
    ADR445BRZ-REEL7 Material Declaration Reliability Data 8-Lead SOIC
    Wafer Fabrication Data

    PCN-PDN Information

    Select a model from the dropdown below to subscribe to PCN/PDN notifications and view past notifications as well.

    Sample & Buy


    Ordering FAQs


    See our Ordering FAQs for answers to questions about online orders, payment options and more.

     

    Buy Now Pricing


    (**) Displayed Buy Now Price and Price Range is based on small quantity orders.

     

    List Pricing


    (*)The 1Ku list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

     

    Lead Times


    Please see the latest communication from our CCO regarding lead times.

     

    Sampling


    A Sample link will be shown above, next to the part, only for parts that are included in our sample program. Selecting the Sample button will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.


    Price Table Help