ADR439 Datasheet - Analog Devices

Ultralow Noise XFET Voltage References

ADR439 Features

* Low noise (0.1 Hz to 10.0 Hz): 3.5 µV p-p @ 2.5 V output No external capacitor required Low temperature coefficient A Grade: 10 ppm/°C maximum B Grade: 3 ppm/°C maximum 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

ADR439 General Description

The ADR43x series is a family of XFET® voltage references featuring low 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 nonlinea.

ADR439 Datasheet (1.03 MB)