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REF191 - Low Dropout Voltage References

Datasheet Summary

Description

The REF19x series precision band gap voltage references use a patented temperature drift curvature correction circuit and laser trimming of highly stable, thin-film resistors to achieve a very low temperature coefficient and high initial accuracy.

Features

  • Temperature coefficient: 5 ppm/°C maximum High output current: 30 mA Low supply current: 45 μA maximum Initial accuracy: ±2 mV maximum1 Sleep mode: 15 μA maximum Low dropout voltage Load regulation: 4 ppm/mA Line regulation: 4 ppm/V Short-circuit protection.

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Datasheet Details

Part number REF191
Manufacturer Analog Devices
File Size 497.21 KB
Description Low Dropout Voltage References
Datasheet download datasheet REF191 Datasheet
Additional preview pages of the REF191 datasheet.

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Full PDF Text Transcription

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Data Sheet Precision Micropower, Low Dropout Voltage References REF19x Series FEATURES Temperature coefficient: 5 ppm/°C maximum High output current: 30 mA Low supply current: 45 μA maximum Initial accuracy: ±2 mV maximum1 Sleep mode: 15 μA maximum Low dropout voltage Load regulation: 4 ppm/mA Line regulation: 4 ppm/V Short-circuit protection APPLICATIONS Portable instruments ADCs and DACs Smart sensors Solar powered applications Loop-current-powered instruments GENERAL DESCRIPTION The REF19x series precision band gap voltage references use a patented temperature drift curvature correction circuit and laser trimming of highly stable, thin-film resistors to achieve a very low temperature coefficient and high initial accuracy.
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