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Analog Devices
상세내역 : 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

상세내역 : 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

상세내역 : 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



 


상세내역 : 0.25ppm Noise, Low Drift Precision References

DESCRIPTION
The LTC®6655 is a complete family of Precision bandgap Voltage References, offering exceptional Noise and drift performance. This Low Noise and drift is ideally suited for the high resolution measurements required by instrumentation and test equipment. In addition, the LTC6655 is fully specified over the temperature range of –40°C to 125°C, ensuring its suitability for demanding automotive and industrial applications. Advanced curvature compensation alLows this bandgap reference to achieve a drift of less than 2ppm/°C with a predictable temperature characteristic and an output Voltage accurate to ±0.025%, reducing or eliminating the need for calibration.

FEATURES
Low Noise: 0.25ppmP-P (0.1Hz to 10Hz)
   625nVP-P for the LTC6655-2.5
Low Drift: 2ppm/°C Max
■ High Accuracy: ±0.025% Max
■ No Humidity Sensitivity (LS8 Package)
■ Thermal Hysteresis (LS8): 30ppm (–40°C to 85°C)
■ Long-Term Drift (LS8): 20ppm/√kHr
■ 100% Tested at –40°C, 25°C and 125°C
■ Load Regulation: <10ppm/mA
■ Sinks and Sources Current: ±5mA
Low Dropout: 500mV
■ Maximum Supply Voltage: 13.2V
Low Power Shutdown: <20µA Max
■ Available Output Voltages: 1.25V, 2.048V, 2.5V, 3V,
   3.3V, 4.096V, 5V
■n Available in an 8-Lead MSOP and High Stability
   Hermetic 5mm × 5mm LS8 Packages

APPLICATIONS
■ Instrumentation and Test Equipment
■ High Resolution Data Acquisition Systems
■ Weigh Scales
Precision Battery Monitors
Precision Regulators
■ Medical Equipment

상세내역 : Micropower SOT-23 Low Dropout Reference Family

DESCRIPTION

The LT®1790 is a family of SOT-23 Micropower Low dropout series References that combine high accuracy and Low drift with Low power dissipation and small package size. These Micropower References use curvature compensation to obtain a Low temperature coefficient and trimmed Precision thin-film resistors to achieve high output accuracy. In addition, each LT1790 is post-package trimmed to greatly reduce the temperature coefficient and increase the output accuracy. Output accuracy is further assured by excellent line and load regulation. Special care has been taken to minimize thermally induced hysteresis.



FEATURES

■ High Accuracy:

A Grade—0.05% Max

B Grade—0.1% Max

Low Drift:

A Grade—10ppm/°C Max

B Grade—25ppm/°C Max

Low Profile (1mm) ThinSOTTM Package

Low Supply Current: 60µA Max

■ Sinks and Sources Current

Low Dropout Voltage

■ Guaranteed Operational –40°C to 125°C

■ Wide Supply Range to 18V

■ Available Output Voltage Options: 1.25V, 2.048V, 2.5V, 3V, 3.3V, 4.096V and 5V



APPLICATIONS

■ Handheld Instruments

■ Negative Voltage References

■ Industrial Control Systems

■ Data Acquisition Systems

■ Battery-Operated Equipment


상세내역 : Precision Low Drift Low Noise Buffered Reference

DESCRIPTION
The LTC®6652 family of Precision, Low drift, Low Noise References is fully specifed over the temperature range of –40°C to 125°C. High order curvature compensation alLows these References to achieve a Low drift of less than 5ppm/°C with a predictable temperature characteristic and an output Voltage accuracy of ±0.05%. The performance over temperature should appeal to automotive, high-performance industrial and other high temperature applications.
   
FEATURES
Low Drift: A Grade 5ppm/°C Max
                    B Grade 10ppm/°C Max
■ High Accuracy: A Grade ±0.05%, B Grade ±0.1%
Low Noise: 2.1ppmP-P (0.1Hz to 10Hz)
■ 100% Tested at –40°C, 25°C and 125°C
■ Sinks and Sources Current: ±5mA
Low Power Shutdown: <2µA Maximum
■ Thermal Hysteresis: 105ppm for –40°C to 125°C
    Range
Low Dropout: 300mV
■ No External Load Capacitor Required
■ Wide Supply Range to 13.2V
■ Available Output Voltage Options: 1.25V, 2.048V,
    2.5V, 3V, 3.3V, 4.096V, 5V
■ 8-Lead MSOP and 5mm × 5mm Surface Mount
    Hermetic Packages
   
APPLICATIONS
■ Automotive Control and Monitoring
■ High Temperature Industrial
■ High Resolution Data Acquisition Systems
■ Instrumentation and Process Control
Precision Regulators
■ Medical Equipment
   

상세내역 : Micropower Precision Shunt Voltage Reference

DESCRIPTION
The LT®1634 is a Micropower, Precision, shunt Voltage reference. The bandgap reference uses trimmed Precision thin flm resistors to achieve 0.05% initial Voltage accuracy. Improved curvature correction technique guarantees 10ppm/°C maximum temperature drift. Advances in design, processing and packaging techniques guarantee 10µA operation and Low temperature cycling hysteresis.

FEATURES
■ Initial Voltage Accuracy: 0.05%
Low Operating Current: 10µA
Low Drift: 10ppm/°C Max
■ Less Than 1Ω Dynamic Impedance
■ Both Commercial and Industrial Temperature Range Parts Are Available
■ Available in 1.25V, 2.5V, 4.096V and 5V in SO-8 and TO-92 Packages
■ 1.25V and 2.5V Available in MSOP Package

APPLICATIONS
■ Portable Meters
Precision Regulators
■ A/D and D/A Converters
■ Calibrators

상세내역 : 0.25ppm Noise, Low Drift Precision Buffered Reference Family

DESCRIPTION
The LTC®6655 is a complete family of Precision bandgap Voltage References, offering exceptional Noise and drift performance. This Low Noise and drift is ideally suited for the high resolution measurements required by instrumentation and test equipment. In addition, the LTC6655 is fully specifed over the temperature range of –40°C to 125°C, ensuring its suitability for demanding automotive and industrial applications. Advanced curvature compensation alLows this bandgap reference to achieve a drift of less than 2ppm/°C with a predictable temperature characteristic and an output Voltage accurate to ±0.025%, reducing or eliminating the need for calibration.

FEATURES
Low Noise: 0.25ppmP-P (0.1Hz to 10Hz)
   625nVP-P for the LTC6655-2.5
Low Drift: 2ppm/°C Max
■ High Accuracy: ±0.025% Max
■ Fully Specifed from –40°C to 125°C
■ 100% Tested at –40°C, 25°C and 125°C
■ Load Regulation: <10ppm/mA
■ Sinks and Sources Current: ±5mA
Low Dropout: 500mV
■ Maximum Supply Voltage: 13.2V
Low Power Shutdown: <20µA Max
■ Available Output Voltages: 1.25V, 2.048V, 2.5V, 3V,
   3.3V, 4.096V, 5V
■ Available in an 8-Lead MSOP Package

APPLICATIONS
■ Instrumentation and Test Equipment
■ High Resolution Data Acquisition Systems
■ Weigh Scales
Precision Battery Monitors
■ High Temperature Applications
Precision Regulators
■ Medical Equipment
■ High Output Current Precision Reference

상세내역 : Precision, Low Noise FGA Voltage References

Precision, Low Noise FGA Voltage References

The ISL21007 FGA™ Voltage References are extremely Low power, high Precision, and Low Noise Voltage References fabricated on Intersil’s proprietary Floating Gate Analog (FGA) technology. The ISL21007 features very Low Noise (4.5µVP-P for 0.1Hz to 10Hz) and very Low operating current (150µA, Max). In addition, the ISL21007 family features guaranteed initial accuracy as Low as ±0.5mV.

Features
• Reference Output Voltage . . . .1.250V, 2.048V, 2.500V, 3.000V
• Input Voltage Range
    ISL21007-12, 20, 25. . . . . . . . . . . . . . . . . . . . . . . 2.7V to 5.5V
    ISL21007-30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.2V to 5.5V
Low Output Voltage Noise. . . . . . . . 4.5µVP-P (0.1Hz to 10Hz)
• Supply Current . . . . . . . . . . . . . . . . . . . . . . . . . . . 150µA (Max)
• Temperature Coefficient . . . . . . . . . . . . . . 3ppm/°C (B grade)
• Operating Temperature Range. . . . . . . . . . .-40°C to +125°C
• Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Ld SOIC
• Pb-Free (RoHS Compliant)

Applications
• High Resolution A/Ds and D/As
• Digital Meters
• Bar Code Scanners
• Base Stations
• Battery Management/Monitoring
• Industrial/Instrumentation Equipment

ADI
Analog Devices
상세내역 : Low Noise, Micropower 5.0 V Precision Voltage Reference

GENERAL DESCRIPTION

The ADR293-EP is a Low Noise, Micropower Precision Voltage reference that utilizes an XFET® (eXtra implanted junction FET) reference circuit. The 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.



FEATURES

6.0 V to 15 V supply range

Supply current: 15 μA maximum

Low Noise: 15 μV p-p typical (0.1 Hz to 10 Hz)

High output current: 5 mA

Pin-compatible with the REF02/REF19x



ENHANCED PRODUCT FEATURES

Supports defense and aerospace applications (AQEC

standard)

Military temperature range (−55°C to +125°C)

Controlled manufacturing baseline

1 assembly/test site

1 fabrication site

Enhanced product change notification

Qualification data available on request



APPLICATIONS

Portable instrumentation

Precision reference for 5 V systems

ADC and DAC reference

Solar-powered applications


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