Overview
The AD587KN, produced by Analog Devices Inc., is a high-precision 10 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, ensuring outstanding performance at a low cost. This device is designed to offer superior performance compared to most other 10 V references, with an industry-standard pinout that allows for easy upgrades in many systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 10.000 V ± 5 mV (U grade) | V |
| Temperature Range | −55°C to +125°C (AD587U), 0°C to 70°C (AD587J, AD587K) | °C |
| Noise Level | 4 μV p-p | μV |
| Load Regulation | 10 ppm/mA | ppm/mA |
| Input Voltage Range | +3.5 V to +36 V | V |
| Package Types | 8-Lead PDIP, 8-Lead SOIC, 8-Lead CERDIP |
Key Features
- Laser trimmed to high accuracy for precise output voltage.
- Proprietary ion-implanted buried Zener diode for lower noise and drift compared to band gap voltage references.
- Noise-reduction pin for additional noise filtering using an external capacitor.
- Industry-standard pinout for easy system upgrades.
- MIL-STD-883-compliant versions available.
- High stability and low temperature drift.
Applications
The AD587KN is ideal for use as a reference in various analog-to-digital converters (ADCs) and digital-to-analog converters (DACs), including 8-bit, 10-bit, 12-bit, 14-bit, and 16-bit devices. It is also suitable for successive approximation or integrating ADCs requiring high accuracy. Additionally, it can be used in precision current sources and high-current supply applications.
Q & A
- What is the output voltage of the AD587KN? The output voltage of the AD587KN is 10.000 V ± 5 mV (U grade).
- What is the temperature range for the AD587KN? The AD587U operates from −55°C to +125°C, while the AD587J and AD587K operate from 0°C to 70°C.
- How does the AD587KN reduce noise? The AD587KN has a noise-reduction pin that can be used with an external capacitor to further reduce the noise level generated by the buried Zener diode.
- What are the package types available for the AD587KN? The AD587KN is available in 8-Lead PDIP, 8-Lead SOIC, and 8-Lead CERDIP packages.
- Is the AD587KN compliant with military standards? Yes, MIL-STD-883-compliant versions of the AD587KN are available.
- What is the typical input voltage range for the AD587KN? The typical input voltage range is from +3.5 V to +36 V.
- Can the AD587KN be used as a precision current source? Yes, the AD587KN can be easily configured as a precision current source by choosing the appropriate control resistor.
- What types of ADCs and DACs can the AD587KN be used with? The AD587KN is suitable for use with 8-bit, 10-bit, 12-bit, 14-bit, and 16-bit ADCs and DACs, as well as successive approximation or integrating ADCs.
- How does the AD587KN compare to other 10 V references? The AD587KN offers much higher performance than most other 10 V references, with lower noise and drift.
- What is the load regulation of the AD587KN? The load regulation of the AD587KN is 10 ppm/mA.
