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AD680 - Low Power/ Low Cost 2.5 V Reference

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General Description

The AD680 is a band gap voltage reference that provides a fixed 2.5 V output from inputs between 4.5 V and 36 V.

The architecture of the AD680 enables the reference to be operated at a very low quiescent current while still realizing excellent dc characteristics and noise performance.

Trimming of the high stability thin-film resistors is performed for initial accuracy and temperature coefficient, resulting in low errors over temperature.

Key Features

  • Low quiescent current at 250 μA max Laser trimmed to high accuracy 2.5 V ± 5 mV max (AN, AR grades) Trimmed temperature coefficient 20 ppm/°C max (AN, AR grades) Low noise at 8 μV p-p from 0.1 Hz to 10 Hz 250 nV/√Hz wideband Temperature output pin (N, R packages) Available in three package styles 8-lead PDIP, 8-lead SOIC, and 3-pin TO-92.

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