Overview
The AD586AR, produced by Analog Devices Inc., is a high precision 5 V voltage reference that represents a significant advancement in monolithic voltage reference technology. It utilizes a proprietary ion-implanted buried Zener diode and laser wafer trimming of high stability thin-film resistors, resulting in outstanding performance at a low cost. This device is designed to provide a highly stable 5 V output with minimal noise and drift, making it ideal for a variety of precision applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 5.000 V | V |
| Temperature Coefficient | 2 ppm/°C (M grade), 5 ppm/°C (B and L grades), 10 ppm/°C (T grade) | ppm/°C |
| Noise | 100 nV/√Hz, 4 µV p-p | nV/√Hz, µV p-p |
| Output Current | ±10 mA | mA |
| Quiescent Current | < 3 mA | mA |
| Operating Temperature Range | 0°C to 70°C (J, K, L, M), -40°C to +85°C (A, B), -55°C to +125°C (S, T) | °C |
| Package Types | 8-lead PDIP, 8-lead SOIC, 8-lead CERDIP |
Key Features
- Laser trimming of both initial accuracy and temperature coefficients for very low errors over temperature without external components.
- Optional fine-trim connection for higher precision applications.
- Industry-standard pinout allowing for easy upgrades in existing systems.
- Low noise output, typically 4 µV p-p, with a noise reduction pin for additional filtering.
- MIL-STD-883-compliant versions available.
- Output capable of sourcing or sinking 10 mA.
- High stability and low drift due to the buried Zener diode approach.
Applications
- Reference for 8-, 10-, 12-, 14-, or 16-bit DACs and ADCs requiring external precision references.
- Successive approximation or integrating ADCs with up to 14 bits of accuracy.
- Systems requiring high precision voltage references with low noise and drift.
- Industrial and military applications due to its wide temperature range and MIL-STD-883 compliance.
Q & A
- What is the output voltage of the AD586AR?
The output voltage of the AD586AR is 5.000 V.
- What is the temperature coefficient of the AD586AR?
The temperature coefficient varies by grade: 2 ppm/°C (M grade), 5 ppm/°C (B and L grades), and 10 ppm/°C (T grade).
- How much noise does the AD586AR generate?
The AD586AR generates noise of 100 nV/√Hz and typically 4 µV p-p.
- What is the maximum output current of the AD586AR?
The AD586AR can source or sink up to 10 mA.
- What are the available package types for the AD586AR?
The AD586AR is available in 8-lead PDIP, 8-lead SOIC, and 8-lead CERDIP packages.
- Is the AD586AR compliant with MIL-STD-883?
Yes, the AD586AR has versions that are compliant with MIL-STD-883.
- What is the quiescent current of the AD586AR?
The quiescent current of the AD586AR is less than 3 mA.
- Can the AD586AR be used as a negative voltage reference?
Yes, the AD586AR can be configured to provide a negative 5 V output by appropriate connection of the pins and external components.
- What types of converters can the AD586AR be used with?
The AD586AR is suitable for use with 8-, 10-, 12-, 14-, or 16-bit DACs and ADCs, including successive approximation and integrating ADCs.
- How does the AD586AR reduce noise?
The AD586AR has a noise reduction pin that can be used with an external capacitor to form a low-pass filter, reducing the noise contribution from the Zener diode.
