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REF3425 Datasheet Small-Footprint Series Voltage Reference

Manufacturer: Texas Instruments

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General Description

The REF34xx device is a low temperature drift (6 ppm/°C), low-power, high-precision CMOS voltage reference, featuring ±0.05% initial accuracy, low operating current with power consumption less than 95 μA.

This device also offers very low output noise of 3.8 μVp-p /V, which enables its ability to maintain high signal integrity with high-resolution data converters in noise critical systems.

With a small SOT-23 package, REF34xx offers enhanced specifications and pin-topin replacement for MAX607x, ADR34xx and LT1790 (REF34xxT, no EN pin).

Overview

REF3425, REF3430, REF3433, REF3440, REF3450 SBAS804F – SEPTEMBER 2017 – REVISED JUNE 2021 REF34xx Low-Drift, Low-Power, Small-Footprint Series Voltage Reference.

Key Features

  • Initial accuracy: ±0.05% (maximum).
  • Temperature coefficient : 6 ppm/°C (maximum).
  • Operating temperature range:.
  • 40°C to +125°C.
  • Output current: ±10 mA.
  • Low quiescent current: 95 μA (maximum).
  • Ultra-low zero load dropout voltage: 100 mV (maximum).
  • Wide input voltage: 12 V.
  • Output 1/f noise (0.1 Hz to 10 Hz): 3.8 µVp-p/V.
  • Excellent long-term stability 25 ppm/1000 hrs.
  • Multiple small footprint 6 pin.

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