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