ADR391 Datasheet (Analog Devices) - Low Noise Precision Voltage References

ADR391, Low Noise Precision Voltage References

The ADR391/ADR392/ADR395 are precision 2.5 V, 4.096 V, and 5 V band gap voltage references, respectively, featuring low power and high precision in a tiny footprint.

Using patented temperature drift curvature correction techniques from Analog Devices, Inc., the ADR39x references achieve a low 9 ppm/

ADR391 Features

* Compact 5-lead TSOT package Low temperature coefficient B grade: 9 ppm/°C A grade: 25 ppm/°C Initial accuracy B grade: ±4 mV maximum (ADR391) A grade: ±6 mV maximum Ultralow output noise: 5 μV p-p (0.1 Hz to 10 Hz) Low dropout: 300 mV Low supply current 3 μA maximum in shutdown 140 μA maximum in ope