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AD584 Precision Voltage Reference: Features, Applications & Specifications

December 13, 2025 ,

The AD584 is a highly accurate, programmable precision voltage reference IC from Analog Devices. It provides extremely stable output voltages of 2.5V, 5V, 7.5V, and 10V, making it one of the most popular reference chips used in calibration instruments, ADC/DAC systems, test equipment, and precision measurement circuits.

This article explains the basic features, applications, and complete specifications of the AD584 in a clear and SEO-optimized format.

What is AD584?

The AD584 is a programmable precision voltage reference IC known for its low drift, long-term stability, and superior accuracy compared to standard zener-based references. It offers four selectable output voltages, and each device is laser-trimmed to guarantee high precision.

It comes in grades such as AD584J, AD584K, AD584L, with the “L” version offering the highest precision.

Key Features of AD584

Here are the most important features that make AD584 a widely used voltage reference:

✔ 1. Programmable Output Voltages

Selectable outputs:

  • 2.5V
  • 5.0V
  • 7.5V
  • 10.0V

Makes it suitable for multi-range calibration and measurement systems.

✔ 2. High Accuracy (Laser Trimmed)

  • Up to ±2 mV accuracy for AD584L grade
  • Minimal temperature drift
  • Excellent long-term stability

✔ 3. Low Output Noise

Ideal for precision ADC, DAC, and sensor circuits.

✔ 4. Low Temperature Coefficient

  • Around 6 ppm/°C (for AD584L)
    Ensures stable output across temperature changes.

✔ 5. Low Supply Current

Operates efficiently, even in battery-powered devices.

✔ 6. Wide Supply Voltage Range

Works from 12V to 30V, making it suitable for both analog and mixed-signal systems.

✔ 7. Highly Stable Reference Source

Perfect for calibration, metrology, and laboratory-grade measurement tools.

Applications and Uses of AD584

The AD584 is widely used anywhere a precise, stable reference voltage is required. Typical applications include:

1. ADC and DAC Voltage Reference

Provides stable reference for:

  • 8-bit, 10-bit, 12-bit, 16-bit ADCs
  • High-resolution DACs

Improves accuracy and linearity.

2. Multimeter and Calibration Equipment

Often used in:

  • Digital multimeter calibration
  • Voltage standard modules
  • Lab reference equipment

3. Precision Measurement Systems

Used in instrumentation requiring stable reference:

  • Weighing scales
  • Sensors
  • Data acquisition systems

4. Industrial Control

Provides reliable reference for:

  • Automation
  • Analog controllers
  • Feedback circuits

5. Portable Test Devices

Low power consumption allows usage in battery-powered measurement tools.

AD584 Complete Specifications

Parameter

Value

Type

Precision programmable voltage reference

Output Voltages

2.5V, 5.0V, 7.5V, 10.0V

Supply Voltage

12V – 30V

Initial Accuracy

±2 mV (AD584L) to ±20 mV (AD584J)

Temp. Coefficient

~6 ppm/°C (best grade)

Output Current

Up to 10 mA

Long-Term Stability

25 ppm/1000 hours (typical)

Noise

Very low output noise

Package

DIP-8 / SOIC-8

Operating Temperature

0°C to +70°C (Std)

Reference Style

Bandgap-based, laser trimmed

⭐ Why Choose AD584?

You should choose the AD584 if you need:

  • A reliable multi-voltage reference source
  • High accuracy with minimal temperature drift
  • Stable output for ADC/DAC systems
  • A low-noise reference for precision instrumentation

Its programmable output levels make it versatile for almost any analog system requiring precise, repeatable voltage references.

Final Summary

The AD584 is a powerful and flexible precision voltage reference IC widely used in calibration gear, ADC/DAC reference circuits, test equipment, and industrial controls. With its stable output voltages, low drift, and high accuracy, it remains a popular component for engineers who need a dependable and noise-free reference source.

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