Overview
The AD586KR, produced by Analog Devices Inc., is a high-precision 5 V voltage reference IC 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 to achieve outstanding performance at a low cost. This device is designed to offer superior performance compared to most other 5 V references, with features such as low noise and drift, making it ideal for various precision applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Output (Fixed) | 5 | V |
| Voltage - Input | 10.8 to 36 | V |
| Current - Output | 10 | mA |
| Current - Supply | 3 | mA |
| Noise (0.1Hz to 10Hz) | 4 | µV p-p |
| Operating Temperature | 0°C to 70°C | |
| Temperature Coefficient | 15 ppm/°C | |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | |
| Mounting Type | Surface Mount |
Key Features
- High Precision: The AD586KR offers high precision with a trimmed temperature coefficient of up to 2 ppm/°C for the M grade and 5 ppm/°C for the B and L grades.
- Low Noise: It features very low noise, typically 4 µV p-p, and includes a noise reduction pin for additional noise filtering using an external capacitor.
- Output Trim Capability: An optional fine-trim connection is provided for setting the output level to exactly 5.000 V or other desired levels.
- Industry-Standard Pinout: The device uses an industry-standard pinout, allowing for easy upgrades in many systems.
- MIL-STD-883 Compliance: Versions of the AD586KR are available that comply with MIL-STD-883 standards.
- Output Capability: The output is capable of sourcing or sinking 10 mA.
Applications
The AD586KR is 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 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 AD586KR?
The output voltage of the AD586KR is 5 V.
- What is the operating temperature range of the AD586KR?
The operating temperature range of the AD586KR is 0°C to 70°C.
- How much current does the AD586KR supply?
The AD586KR supplies up to 10 mA of output current.
- What is the noise level of the AD586KR?
The noise level of the AD586KR is typically 4 µV p-p from 0.1 Hz to 10 Hz.
- Is the AD586KR compliant with any military standards?
Yes, versions of the AD586KR are available that comply with MIL-STD-883 standards.
- Can the AD586KR be used in surface mount applications?
Yes, the AD586KR is available in an 8-pin SOIC package suitable for surface mount applications.
- How does the AD586KR reduce noise?
The AD586KR includes a noise reduction pin that can be used with an external capacitor to further reduce noise levels.
- What is the quiescent current of the AD586KR?
The quiescent current of the AD586KR is less than 3 mA from an operating supply of 12 V or 15 V.
- Can the output voltage of the AD586KR be trimmed?
Yes, an optional fine-trim connection is provided to set the output level to exactly 5.000 V or other desired levels.
- Is the AD586KR suitable for use in A/D converters?
Yes, the AD586KR is ideal for successive approximation or integrating A/D converters with up to 14 bits of accuracy.
