Overview
The AD587KRZ-REEL, produced by Analog Devices Inc., is a high-precision 10 V voltage reference IC. It represents a significant advancement in monolithic voltage reference technology, 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 applications.
The device is known for its high accuracy, low noise, and minimal drift, making it suitable for upgrading systems that use industry-standard 10 V references. The AD587KRZ-REEL is available in an 8-lead SOIC package, which is convenient for surface-mount applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 10.000 V ± 5 mV (U grade) | V |
| 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 |
| Input Voltage Range | 13.5 V to 36 V | V |
| Output Current | 10 mA | mA |
| Package Type | 8-lead SOIC | - |
| Power Dissipation (25°C) | 500 mW | mW |
| Noise Reduction | Optional noise-reduction pin | - |
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.
- Low Noise and Drift: The buried Zener approach provides lower noise and drift compared to band gap voltage references.
- Noise Reduction Pin: An optional noise-reduction pin can be used to further reduce the noise level generated by the buried Zener.
- Industry-Standard Pinout: Allows for instant upgrade of any system using an industry-standard 10 V reference.
- High Precision: Suitable for applications requiring high precision, such as references for 8-bit to 16-bit DACs and ADCs.
Applications
- DACs and ADCs: Recommended for use as a reference 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.
- Precision Measurement Systems: Ideal for systems requiring high accuracy and low noise voltage references.
- Industrial and Aerospace: Suitable for a wide range of industrial and aerospace applications due to its robust temperature range and high reliability.
Q & A
- What is the output voltage of the AD587KRZ-REEL?
The output voltage is 10.000 V ± 5 mV (U grade).
- What is the operating temperature range for the AD587KRZ-REEL?
The operating temperature range is 0°C to 70°C for J and K models, and -55°C to +125°C for U models.
- What package type is the AD587KRZ-REEL available in?
The AD587KRZ-REEL is available in an 8-lead SOIC package.
- How does the AD587KRZ-REEL reduce noise?
The device features an optional noise-reduction pin that can be used to further reduce the noise level generated by the buried Zener.
- What are the typical applications of the AD587KRZ-REEL?
It is typically used as a reference for DACs and ADCs, and in precision measurement systems.
- What is the input voltage range for the AD587KRZ-REEL?
The input voltage range is 13.5 V to 36 V.
- What is the maximum output current of the AD587KRZ-REEL?
The maximum output current is 10 mA.
- How is the temperature coefficient of the AD587KRZ-REEL?
The temperature coefficient is less than 5 ppm/°C.
- Is the AD587KRZ-REEL suitable for high-precision applications?
- What is the power dissipation of the AD587KRZ-REEL at 25°C?
The power dissipation is 500 mW at 25°C.
