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ADR1001 Datasheet Precision Voltage Reference

Manufacturer: Analog Devices

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General Description

The ADR1001 is a fully integrated, ultra-low drift, buried Zener precision voltage reference solution in a single chip.

By integrating the entire signal conditioning circuitry required by the LTZ1000 into a single chip, the ADR1001 provides a significant reduction in overall solution area, while simplifying the design process by eliminating the many challenges of building a discrete circuit solution.

FUNCTIONAL BLOCK DIAGRAM The on-chip heater, combined with Analog Devices buried Zener technology, allows the ADR1001 to achieve sub-ppm temperature coefficient performance and single-digit ppm long-term drift performance.

Overview

Data Sheet ADR1001 Oven-Controlled, Buried Zener, Precision Voltage.

Key Features

  • LTZ1000-class, ultrastable, 6.6 V, buried Zener reference.
  • On-chip, thermally regulated, matched resistor-dividers.
  • Precision 5 V output ±0.25% (RISET = 102 Ω, TJ = 70°C).
  • 5 V output noise (0.1 Hz to 10 Hz): 0.13 ppm p-p.
  • Zener, thermal loop op amps, and buffer provided on chip.
  • Input voltage range: 9 V to 36 V.
  • Hermetic, surface-mount package, 20-terminal LCC.
  • Ovenization ensures ultra-low temperature drift.

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