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ADR291-RevF 데이터시트

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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.

   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

   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


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