Overview
The AD587JNZ, produced by Analog Devices Inc., is a high-precision 10 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 higher accuracy and lower noise compared to most other 10 V references.
The device is compatible with industry-standard pinouts, making it an ideal choice for upgrading existing systems. It is particularly recommended for use as a reference in digital-to-analog converters (DACs) and analog-to-digital converters (ADCs) that require high precision.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 10.000 V ± 5 mV (U grade) | V |
| Maximum Input Voltage | 36 | V |
| Maximum Operating Temperature | −55°C to +125°C (AD587U) | °C |
| Maximum Output Current | 10 | mA |
| Maximum Power Dissipation | 500 | mW |
| Noise Reduction | Typically 4 μV p-p, with noise-reduction pin | μV p-p |
| Package Types | 8-Lead PDIP, 8-Lead SOIC, 8-Lead CERDIP |
Key Features
- Laser Trimming: Initial accuracy and temperature coefficients are laser trimmed, resulting in very low errors over temperature without the need for external components.
- Optional Fine Trim Connection: Designed for applications requiring higher precision.
- Industry-Standard Pinout: Allows for instant upgrade of any system using a standard 10 V reference.
- Low Output Noise: Typically 4 μV p-p, with a noise-reduction pin for additional noise filtering using an external capacitor.
- MIL-STD-883 Compliance: Available in versions compliant with MIL-STD-883 standards.
Applications
The AD587JNZ is ideal for various precision applications, including:
- DACs and ADCs: Recommended for use as a reference in 8-bit, 10-bit, 12-bit, 14-bit, or 16-bit DACs and successive approximation or integrating ADCs with up to 14 bits of accuracy.
- Precision Current Sources: Can be easily configured as a precision current source by choosing the appropriate control resistor.
- High-Precision Measurement Systems: Suitable for systems requiring stable and accurate voltage references.
Q & A
- What is the output voltage of the AD587JNZ?
The output voltage of the AD587JNZ is 10.000 V ± 5 mV (U grade).
- What are the operating temperature ranges for the AD587JNZ?
The AD587JNZ operates from −55°C to +125°C (AD587U) and 0°C to 70°C (AD587J and AD587K).
- What is the maximum input voltage for the AD587JNZ?
The maximum input voltage for the AD587JNZ is 36 V.
- How can the noise level of the AD587JNZ be reduced?
The noise level can be reduced using the noise-reduction pin with an external capacitor.
- What are the available package types for the AD587JNZ?
The AD587JNZ is available in 8-Lead PDIP, 8-Lead SOIC, and 8-Lead CERDIP packages.
- Is the AD587JNZ compliant with MIL-STD-883 standards?
Yes, MIL-STD-883-compliant versions of the AD587JNZ are available.
- What is the typical output noise of the AD587JNZ?
The typical output noise of the AD587JNZ is 4 μV p-p.
- Can the AD587JNZ be used as a precision current source?
Yes, the AD587JNZ can be easily configured as a precision current source by choosing the appropriate control resistor.
- What types of DACs and ADCs is the AD587JNZ suitable for?
The AD587JNZ is suitable for 8-bit, 10-bit, 12-bit, 14-bit, or 16-bit DACs and successive approximation or integrating ADCs with up to 14 bits of accuracy.
- How does the AD587JNZ compare to standard on-chip references?
The AD587JNZ offers better performance than standard on-chip references, providing higher accuracy and lower noise.
