Overview
The AD586KR-REEL, produced by Analog Devices Inc., is a high-precision 5 V voltage reference integrated circuit. It represents a significant advancement in the field of monolithic voltage references, utilizing a proprietary ion-implanted buried Zener diode and laser wafer trimming of high stability thin-film resistors. This design approach ensures outstanding performance at a low cost, offering lower noise and drift compared to bandgap voltage references.
The device is available in various temperature grades, including the AD586K grade, which is specified for operation from -40°C to +85°C. It is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package, making it suitable for a wide range of applications requiring high precision voltage references.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage | 4.980 | 5.000 | 5.020 | V |
| Output Voltage Drift (0°C to 70°C) | 5 | 15 | ppm/°C | |
| Output Voltage Drift (-40°C to +85°C) | 5 | ppm/°C | ||
| Line Regulation (10.8 V < VIN < 36 V) | ±100 | µV/V | ||
| Max Output Current | 10 | mA | ||
| Max Input Voltage | 36 | V | ||
| Noise Level | 4 | µV p-p |
Key Features
- High Precision: The AD586 offers high precision with an output voltage of 5 V and a maximum deviation of ±2.45 mV between 0°C and 70°C for the M grade, and ±7.5 mV for the T grade between -55°C and +125°C.
- Low Noise: The device features very low noise, typically 4 µV p-p, and includes a noise reduction pin for additional noise filtering using an external capacitor.
- Temperature Stability: Available in various temperature grades, including -40°C to +85°C and -55°C to +125°C, ensuring stability across a wide range of operating temperatures.
- Output Trim Capability: An optional fine-trim connection is provided for applications requiring higher precision.
- Industry-Standard Pinout: The AD586 uses an industry-standard pinout, allowing for easy upgrades in many systems.
- MIL-STD-883 Compliance: Versions of the AD586 are compliant with MIL-STD-883, ensuring high reliability and quality.
Applications
The AD586 is highly recommended for use as a reference in various precision applications, including:
- D/A Converters: Ideal for 8-, 10-, 12-, 14-, or 16-bit D/A converters that require an external precision reference.
- A/D Converters: Suitable for successive approximation or integrating A/D converters with up to 14 bits of accuracy.
- General Precision Voltage Reference: Can be used in any system requiring a high-precision voltage reference, offering better performance than standard on-chip references.
Q & A
- What is the output voltage of the AD586?
The output voltage of the AD586 is 5 V, with a typical tolerance of ±0.02 V.
- What are the temperature grades available for the AD586?
The AD586 is available in several temperature grades: 0°C to 70°C (J, K, L, M), -40°C to +85°C (A, B), and -55°C to +125°C (S, T).
- What is the maximum output current of the AD586?
The AD586 can source or sink up to 10 mA of current.
- How does the AD586 reduce noise?
The AD586 includes a noise reduction pin that can be used with an external capacitor to further reduce the noise level generated by the buried Zener diode.
- Is the AD586 compliant with any military standards?
Yes, versions of the AD586 are compliant with MIL-STD-883.
- What types of packages are available for the AD586?
The AD586 is available in 8-lead PDIP, SOIC, and CERDIP packages.
- Can the AD586 be used in high-precision A/D converters?
Yes, the AD586 is ideal for successive approximation or integrating A/D converters with up to 14 bits of accuracy.
- How does the AD586 compare to bandgap voltage references?
The AD586 offers lower noise and drift compared to bandgap voltage references due to its buried Zener diode design.
- Is the AD586 suitable for upgrading existing systems?
Yes, the AD586 uses an industry-standard pinout, making it easy to upgrade many existing systems instantly.
- What is the typical noise level of the AD586?
The typical noise level of the AD586 is 4 µV p-p.
