ADR510:  1.0 V Precision Low Noise Shunt Voltage Reference

Designed for space critical applications, the ADR510 is a low voltage (1.000 V), precision shunt-mode voltage reference in an ultracompact (3 mm × 3 mm) SOT-23-3 package. The ADR510 features low ...More

ADR510:  1.0 V Precision Low Noise Shunt Voltage Reference

Product Description

Designed for space critical applications, the ADR510 is a low voltage (1.000 V), precision shunt-mode voltage reference in an ultracompact (3 mm × 3 mm) SOT-23-3 package. The ADR510 features low temperature drift (70 ppm/°C), high accuracy (±0.35%), and ultralow noise (4 μV p-p) performance.

The ADR510 advanced design eliminates the need for an external capacitor, yet it is stable with any capacitive load. The minimum operating current increases from 100 μA to a maximum of 10 mA. This low operating current and ease of use make the ADR510 ideally suited for handheld battery-powered applications.

A TRIM terminal is available on the ADR510 to provide adjustment of the output voltage over ±0.5% without affecting the temperature coefficient of the device. This feature provides users with the flexibility to trim out any system errors.

Applications

  • Precision data acquisition systems
  • Battery-powered equipment
    Cellular phone
    Notebook computer
    GPS
  • 3 V/5 V, 8-/12-bit data converters
  • Portable medical instruments
  • Industrial process control systems
  • Precision instruments

Data Sheet, Rev. B, 9/07

Features

  • Precision 1.000 V voltage reference
  • Ultracompact 3 mm × 3 mm SOT-23 package
  • No external capacitor required
  • Low output noise: 4 μV p-p (0.1 Hz to 10 Hz)
  • Initial accuracy: ±0.35% maximum
  • Temperature coefficient: 70 ppm/°C maximum
  • Operating current range: 100 μA to 10 mA
  • Output impedance: 0.3 Ω maximum
  • Temperature range: −40°C to +85°C

Diagrams

ADR510 Diagram
Pin Configuration Diagram for ADR510

Specifications

Vout 1.0
Initial Accuracy (%) 0.35
Ref Out TC (ppm/C) 70ppm/C
Supply Voltage Range (V) n/a, shunt ref
Supply Current (max) n/a
Ref Output Current (mA) n/a
0.1-10 Hz Noise (µV p-p) 4µV p-p
Temp Range(s) -40 to +85
Package SOT23
Reference Type Shunt

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