Overview
The AD587KR-REEL, produced by Analog Devices Inc., is a high-precision 10 V voltage reference IC. 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, making it an ideal choice for various precision reference applications.
The AD587KR-REEL is part of the AD587 series, which is known for its industry-standard pinout, allowing for easy upgrades in many systems. The device offers lower noise and drift compared to band gap voltage references, thanks to the buried Zener approach.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 10.000 V ± 5 mV (U grade) | V |
| Output Current | 10 mA | mA |
| Temperature Coefficient | < 5 ppm/°C | ppm/°C |
| Operating Temperature Range | 0°C to 70°C (J and K models), -55°C to +125°C (U model) | °C |
| Package Type | 8-lead SOIC (Surface Mount) | - |
| Power Dissipation (25°C) | 500 mW | mW |
| Storage Temperature Range | -65°C to +150°C | °C |
| Lead Temperature (Soldering, 10 sec) | 300°C | °C |
| Package Thermal Resistance θJC | 22°C/W | °C/W |
| Package Thermal Resistance θJA | 110°C/W | °C/W |
Key Features
- Laser trimming of both initial accuracy and temperature coefficients for very low errors over temperature without external components.
- Optional fine trim connection for higher precision applications.
- Industry-standard pinout for easy system upgrades.
- Very low output noise, with a noise-reduction pin to further reduce noise levels.
- High precision monolithic 10 V output reference with initial offset of 5 mV or less.
- Temperature-compensated design with a temperature coefficient of less than 5 ppm/°C.
Applications
- Reference for 8-bit, 10-bit, 12-bit, 14-bit, or 16-bit DACs requiring an external precision reference.
- Suitable for successive approximation or integrating ADCs with up to 14 bits of accuracy.
- Ideal for applications requiring higher performance than standard on-chip references.
Q & A
- What is the output voltage of the AD587KR-REEL?
The output voltage of the AD587KR-REEL is 10.000 V ± 5 mV (U grade).
- What is the maximum output current of the AD587KR-REEL?
The maximum output current is 10 mA.
- What are the operating temperature ranges for the AD587KR-REEL?
The operating temperature ranges are 0°C to 70°C for J and K models, and -55°C to +125°C for U models.
- What package types are available for the AD587KR-REEL?
The AD587KR-REEL is available in an 8-lead SOIC package for surface-mount applications.
- How does the AD587KR-REEL reduce noise?
The AD587KR-REEL has a noise-reduction pin that can be used to further reduce the noise level generated by the buried Zener diode.
- What is the temperature coefficient of the AD587KR-REEL?
The temperature coefficient is less than 5 ppm/°C.
- What are the typical applications of the AD587KR-REEL?
It is typically used as a reference for DACs and ADCs requiring high precision and low noise.
- Does the AD587KR-REEL require external components for operation?
No, the AD587KR-REEL does not require external components for basic operation, though a capacitor can be added to the noise-reduction pin for further noise reduction.
- What is the power dissipation of the AD587KR-REEL at 25°C?
The power dissipation is 500 mW at 25°C.
- Is the AD587KR-REEL RoHS compliant?
Yes, the AD587KR-REEL is RoHS compliant.
