Overview
The AD586KR-REEL7, produced by Analog Devices Inc., is a high precision 5 V voltage reference. It represents a significant advancement in monolithic voltage references, utilizing a proprietary ion-implanted buried Zener diode and laser wafer trimming of high stability thin-film resistors. This design ensures outstanding performance at a low cost, offering superior characteristics compared to most other 5 V references.
The device is particularly notable for its low noise and drift, thanks to the buried Zener approach, which outperforms bandgap voltage references. It is also compatible with industry-standard pinouts, making it an ideal choice for upgrading existing systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 5 V | V |
| Temperature Coefficient | 2 ppm/°C (M grade), 5 ppm/°C (B and L grades), 10 ppm/°C (T grade) | ppm/°C |
| Output Noise | 100 nV/√Hz, 4 µV p-p | nV/√Hz, µV p-p |
| Operating Temperature Range | 0°C to 70°C (M grade), -40°C to +85°C (B and L grades), -55°C to +125°C (T grade) | °C |
| Output Current Capability | 10 mA (source or sink) | mA |
| Package Types | 8-lead PDIP, 8-lead SOIC, 8-lead CERDIP | |
| Compliance | MIL-STD-883 compliant versions available |
Key Features
- Low Noise and Drift: The AD586 features very low noise, typically 4 µV p-p, and a low temperature coefficient, making it ideal for high precision applications.
- Noise Reduction Capability: An additional noise reduction pin allows for further noise filtering using an external capacitor.
- Output Trim Capability: An optional fine-trim connection is provided for applications requiring higher precision.
- Industry-Standard Pinout: Compatible with many existing systems, allowing for easy upgrades.
- MIL-STD-883 Compliance: Versions of the AD586 are available that comply with MIL-STD-883 standards.
- High Stability Thin-Film Resistors: Laser wafer trimming ensures high stability and low errors over temperature without the need for external components.
Applications
The AD586KR-REEL7 is recommended for use in various high precision applications, including:
- Digital-to-Analog Converters (DACs): Ideal for 8-, 10-, 12-, 14-, or 16-bit DACs that require an external precision reference.
- Analog-to-Digital Converters (ADCs): Suitable for successive approximation or integrating ADCs with up to 14 bits of accuracy.
- General Precision Voltage Reference Needs: Any system requiring a high precision, low noise voltage reference can benefit from the AD586.
Q & A
- What is the output voltage of the AD586KR-REEL7?
The output voltage of the AD586KR-REEL7 is 5 V.
- What are the temperature coefficients for different grades of the AD586?
The temperature coefficients are 2 ppm/°C for the M grade, 5 ppm/°C for the B and L grades, and 10 ppm/°C for the T grade.
- How much noise does the AD586 typically produce?
The AD586 produces very low noise, typically 4 µV p-p and 100 nV/√Hz.
- What are the operating temperature ranges for the different grades of the AD586?
The operating temperature ranges are 0°C to 70°C for the M grade, -40°C to +85°C for the B and L grades, and -55°C to +125°C for the T grade.
- What is the maximum output current capability of the AD586?
The AD586 can source or sink up to 10 mA.
- In what packages is the AD586 available?
The AD586 is available in 8-lead PDIP, 8-lead SOIC, and 8-lead CERDIP packages.
- Is the AD586 compliant with any military standards?
Yes, versions of the AD586 are available that comply with MIL-STD-883 standards.
- How does the AD586 reduce noise?
The AD586 includes a noise reduction pin that can be used with an external capacitor to further reduce noise levels.
- What types of applications is the AD586 suitable for?
The AD586 is suitable for high precision applications such as DACs, ADCs, and any system requiring a precise voltage reference.
- Why is the AD586 preferred over standard on-chip references?
The AD586 offers better performance in terms of noise and drift compared to standard on-chip references.
