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Description : Ultralow Noise, LDO XFET Voltage References with Current Sink and Source

GENERAL DESCRIPTION
The ADR44x 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 ADR44x is greatly minimized.

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: 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

Description : Ultralow Noise XFET® Voltage References with Current Sink and Source Capability

GENERAL DESCRIPTION
The ADR43x series is a family of XFET Voltage References featuring low Noise, high accuracy, and low temperature drift performance. Using ADI’s patented temperature drift curvature correction and XFET (eXtra implanted junction FET) technology, the ADR43x’s Voltage change versus temperature nonlinearity is minimized.

FEATURES
Low Noise (0.1 Hz to 10 Hz): 3.5 µV p-p @ 2.5 V output
No external capacitor required
Low temperature coefficient
   A Grade: 10 ppm/°C max
   B Grade: 3 ppm/°C max
Load regulation: 15 ppm/mA
Line regulation: 20 ppm/V
Wide operating range
   ADR430: 4.1 V to 18 V
   ADR431: 4.5 V to 18 V
   ADR433: 5.0 V to 18 V
   ADR434: 6.1 V to 18 V
   ADR435: 7.0 V to 18 V
   ADR439: 6.5 V to 18 V
High output Current: +30 mA/−20 mA
Wide temperature range: −40°C to +125°C

APPLICATIONS
Precision data acquisition systems
High resolution data converters
Medical instruments
Industrial process control systems
Optical control circuits
Precision instruments

Description : Low Power, Low Noise Voltage References with Sink/Source Capability

GENERAL DESCRIPTION
The ADR360/ADR361/ADR363/ADR364/ADR365/ADR366 are precision 2.048 V, 2.5 V, 3.0 V, 4.096 V, 5.0 V, and 3.3 V band gap Voltage References that offer low power and high precision in tiny footprints. Using patented temperature drift curvature correction techniques from Analog Devices, Inc., the ADR36x References achieve a low temperature drift of 9 ppm/°C in a TSOT package.
The ADR36x family of micropower, low dropout Voltage References provides a stable output Voltage from a minimum supply of 300 mV above the output. Their advanced design eliminates the need for external capacitors, which further reduces board space and system cost. The combination of low power operation, small size, and ease of use makes the ADR36x precision Voltage References ideally suited for battery-operated applications.

FEATURES
  Compact TSOT packages
  Low temperature coefficient
     B grade: 9 ppm/°C
     A grade: 25 ppm/°C
  Initial accuracy
     B grade: ±3 mV maximum
     A grade: ±6 mV maximum
  Ultralow output Noise: 6.8 μV p-p (0.1 Hz to 10 Hz)
  Low dropout: 300 mV
  Low supply Current: 190 μA maximum
  No external capacitor required
  Output Current: +5 mA/−1 mA
  Wide temperature range: −40°C to +125°C
  Qualified for automotive applications

APPLICATIONS
  Battery-powered instruments
  Portable medical instruments
  Data acquisition systems
  Industrial process controls
  Automotive

 

Description : Low Noise Micropower 2.5 V and 4.096 V Precision Voltage References

GENERAL DESCRIPTION
The ADR291 and ADR292 are low Noise, micropower precision Voltage References that use an XFET® reference circuit. The new XFET architecture offers significant performance improvements over traditional band gap and buried Zener-based References. Improvements include one quarter the Voltage Noise output of band gap References operating at the same Current, very low and ultralinear temperature drift, low thermal hysteresis, and excellent long-term stability.
The ADR291/ADR292 family is a series of Voltage References providing stable and accurate output Voltages from supplies as low as 2.8 V for the ADR291. Output Voltage options are 2.5 V and 4.096 V for the ADR291 and ADR292, respectively.

FEATURES
  Supply range
     2.8 V to 15 V, ADR291
     4.4 V to 15 V, ADR292
  Supply Current: 15 μA maximum
  Low Noise: 8 μV and 12 μV p-p (0.1 Hz to 10 Hz)
  High output Current: 5 mA
  Temperature range: −40°C to +125°C
  Pin-compatible with REF02/REF19x

APPLICATIONS
  Portable instrumentation
  Precision reference for 3 V and 5 V systems
  Analog-to-digital and digital-to-analog converter reference
  Solar-powered applications
  Loop-Current-powered instruments

 

ADI
Analog Devices
Description : Low Noise Micropower 2.048 V, 2.5 V, and 4.096 V Precision Voltage References

GENERAL DESCRIPTION
The ADR290, ADR291 and ADR292 are low Noise, micropower precision Voltage References that use an XFET® reference circuit. The new XFET architecture offers significant performance improvements over traditional bandgap and Buried Zener-based References. Improvements include: one quarter the Voltage Noise output of bandgap References operating at the same Current, very low and ultralinear temperature drift, low thermal hysteresis and excellent long-term stability.

FEATURES
   Supply Range
      2.35 V to 15 V, ADR290
      2.8 V to 15 V, ADR291
      4.4 V to 15 V, ADR292
   Supply Current 12 μA Max
   Low-Noise 6 μV, 8 μV, 12 μV p-p (0.1 Hz–10 Hz)
   High Output Current 5 mA
   Temperature Range -40°C to +125°C
   Pin Compatible with REF02/REF19x

APPLICATIONS
   Portable Instrumentation
   Precision Reference for 3 V and 5 V Systems
   A/D and D/A Converter Reference
   Solar-Powered Applications
   Loop-Current-Powered Instruments

Description : Low Noise Micropower 2.048 V, 2.5 V, and 4.096 V Precision Voltage References

GENERAL DESCRIPTION
The ADR290, ADR291 and ADR292 are low Noise, micropower precision Voltage References that use an XFET® reference circuit. The new XFET architecture offers significant performance improvements over traditional bandgap and Buried Zener-based References. Improvements include: one quarter the Voltage Noise output of bandgap References operating at the same Current, very low and ultralinear temperature drift, low thermal hysteresis and excellent long-term stability.

FEATURES
   Supply Range
      2.35 V to 15 V, ADR290
      2.8 V to 15 V, ADR291
      4.4 V to 15 V, ADR292
   Supply Current 12 μA Max
   Low-Noise 6 μV, 8 μV, 12 μV p-p (0.1 Hz–10 Hz)
   High Output Current 5 mA
   Temperature Range -40°C to +125°C
   Pin Compatible with REF02/REF19x

APPLICATIONS
   Portable Instrumentation
   Precision Reference for 3 V and 5 V Systems
   A/D and D/A Converter Reference
   Solar-Powered Applications
   Loop-Current-Powered Instruments

Description : Low Noise Micropower Precision Voltage References

GENERAL DESCRIPTION
The ADR290, ADR291 and ADR292 are low Noise, micropower precision Voltage References that use an XFET® reference circuit. The new XFET architecture offers significant performance improvements over traditional bandgap and Buried Zener-based References. Improvements include: one quarter the Voltage Noise output of bandgap References operating at the same Current, very low and ultralinear temperature drift, low thermal hysteresis and excellent long-term stability.

FEATURES
   Supply Range
      2.35 V to 15 V, ADR290
      2.8 V to 15 V, ADR291
      4.4 V to 15 V, ADR292
   Supply Current 12 μA Max
   Low-Noise 6 μV, 8 μV, 12 μV p-p (0.1 Hz–10 Hz)
   High Output Current 5 mA
   Temperature Range -40°C to +125°C
   Pin Compatible with REF02/REF19x

APPLICATIONS
   Portable Instrumentation
   Precision Reference for 3 V and 5 V Systems
   A/D and D/A Converter Reference
   Solar-Powered Applications
   Loop-Current-Powered Instruments

Description : Ultraprecision, Low Noise, 2.048 V/2.500 V/3.00 V/5.00 V XFET® Voltage References

GENERAL DESCRIPTION
The ADR42x are a series of ultraprecision, second generation eXtra implanted junction FET (XFET) Voltage References featuring low Noise, high accuracy, and excellent long-term stability in SOIC and MSOP footprints.
   
FEATURES
    Low Noise (0.1 Hz to 10 Hz)
        ADR420: 1.75 μV p-p
        ADR421: 1.75 μV p-p
        ADR423: 2.0 μV p-p
        ADR425: 3.4 μV p-p
    Low temperature coefficient: 3 ppm/°C
    Long-term stability: 50 ppm/1000 hours
    Load regulation: 70 ppm/mA
    Line regulation: 35 ppm/V
    Low hysteresis: 40 ppm typical
    Wide operating range
        ADR420: 4 V to 18 V
        ADR421: 4.5 V to 18 V
        ADR423: 5 V to 18 V
        ADR425: 7 V to 18 V
    Quiescent Current: 0.5 mA maximum
    High output Current: 10 mA
    Wide temperature range: −40°C to +125°C
   
APPLICATIONS
    Precision data acquisition systems
    High resolution converters
    Battery-powered instrumentation
    Portable medical instruments
    Industrial process control systems
    Precision instruments
    Optical network control circuits
   

ADI
Analog Devices
Description : Ultraprecision, Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET® Voltage References

GENERAL DESCRIPTION
The ADR42x are a series of ultraprecision, second generation eXtra implanted junction FET (XFET) Voltage References featuring low Noise, high accuracy, and excellent long-term stability in SOIC and MSOP footprints.

FEATURES
Low Noise (0.1 Hz to 10 Hz)
 ADR420: 1.75 μV p-p
 ADR421: 1.75 μV p-p
 ADR423: 2.0 μV p-p
 ADR425: 3.4 μV p-p
Low temperature coefficient: 3 ppm/°C
Long-term stability: 50 ppm/1000 hours
Load regulation: 70 ppm/mA
Line regulation: 35 ppm/V
Low hysteresis: 40 ppm typical
Wide operating range
 ADR420: 4 V to 18 V
 ADR421: 4.5 V to 18 V
 ADR423: 5 V to 18 V
 ADR425: 7 V to 18 V
Quiescent Current: 0.5 mA maximum
High output Current: 10 mA
Wide temperature range: −40°C to +125°C

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

Description : Precision Voltage Reference Low Noise Micropower

GENERAL DESCRIPTION
The ADR293 is a low Noise, micropower precision Voltage reference that utilizes an XFET™ (eXtra implanted junction FET) reference circuit. The new XFET architecture offers sig nificant performance improvements over traditional bandgap and Zener-based References. Improvements include: one quarter the Voltage Noise output of bandgap References operating at the same Current, very low and ultralinear temperature drift, low
thermal hysteresis and excellent long-term stability.

FEATURES
Voltage Output 5.0 V
6.0 V to 15 V Supply Range
Supply Current 15 mA Max
Initial Accuracy 63 mV Max
Temperature Coefficient 8 ppm/8C Max
Low Noise 15 mV p–p Typ (0.1 Hz to 10 Hz)
High Output Current 5 mA Min
Temperature Range 2408C to 11258C
REF02/REF19x Pinout

APPLICATIONS
Portable Instrumentation
Precision Reference for 5 V Systems
A/D and D/A Converter Reference
Solar Powered Applications
Loop-Current Powered Instruments

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