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ADR441 Datasheet

ADR441 Datasheet

Ultralow Noise, LDO XFET® 2.5V Voltage Reference w/Current Sink and Source
Part No.: ADR441
Page: 19 Pages
Size: 481 KB
Manufacturer: Analog Devices, Inc.
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Views: 1
Update Time: 2025-01-23 17:56:49
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ADR441 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
ADR441ARZ Tube 98 ADR441A 1 8 -40°C ~ 125°C 8-Lead SOIC_N  
ADR441ARZ-REEL7 Reel 1000 ADR441A 1 8 -40°C ~ 125°C 8-Lead SOIC_N  
ADR441ARMZ Tube 50 R02 1 8 -40°C ~ 125°C 8-Lead MSOP  
ADR441ARMZ-REEL7 Reel 1000 R02 1 8 -40°C ~ 125°C 8-Lead MSOP  
ADR441BRZ Tube 98 ADR441B 1 8 -40°C ~ 125°C 8-Lead SOIC_N  
ADR441BRZ-REEL7 Reel 1000 ADR441B 1 8 -40°C ~ 125°C 8-Lead SOIC_N  
ADR441ACHIPS Wafflepack 221   1 0 -40°C ~ 125°C CHIPS OR DIE  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

ADR441 Datasheet(PDF)

ADR441 Datasheet(Picture)

ADR441 Features

  • Ultralow noise (0.1 Hz to 10 Hz)
    • ADR441: 1.2 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

ADR441 Applications

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

ADR441 Description

The ADR441 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 ADR441 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 ADR441 ideally suited for precision signal conversion applications in high-end data acquisition systems, optical networks, and medical applications.

The ADR441 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 ADR441 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.

ADR441 Related Parts

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