Overview
The AD586ARZ from Analog Devices Inc. is a high-precision 5V voltage reference integrated circuit. It is part of the AD586 series, known for its advanced monolithic voltage reference design. The device utilizes a proprietary ion-implanted buried Zener diode and laser wafer trimming of high-stability thin-film resistors, resulting in very low errors over temperature. This makes it an ideal choice for applications requiring high accuracy and stability.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD586ARZ |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Reference Type | Series - Fixed |
| Output Voltage | 5V (4.995V to 5.005V) |
| Initial Accuracy | ±5mV |
| Temperature Coefficient | ±15ppm/°C |
| Operating Temperature Range | -40°C to +85°C |
| Input Voltage Range | 10.8V to 36V |
| Quiescent Current | 3mA max |
| Output Current | 10mA (sourcing or sinking) |
| Noise (0.1Hz to 10Hz) | 4µV p-p |
Key Features
- Laser Trimming: The AD586ARZ is laser trimmed to high accuracy, ensuring minimal initial error and temperature coefficient.
- Noise Reduction: It features a noise reduction pin that can be used to further reduce the noise level generated by the buried Zener diode.
- Output Trim Capability: An optional fine-trim connection is provided for applications requiring higher precision.
- Low Noise and Drift: The buried Zener approach provides lower noise and drift compared to band gap voltage references.
- High Stability: The device offers high stability thin-film resistors and a temperature coefficient of ±15ppm/°C.
- Industry-Standard Pinout: The AD586ARZ uses an industry-standard pinout, making it easy to upgrade existing systems without the need for external components.
Applications
- Precision References for DACs and ADCs: The AD586ARZ is recommended for use as a reference for 8-, 10-, 12-, 14-, or 16-bit DACs and ADCs that require an external precision reference.
- Successive Approximation and Integrating ADCs: It is ideal for successive approximation or integrating ADCs with up to 14 bits of accuracy.
- Precision Current Sources and High Current Supplies: The device can be used in precision current sources and high current supply applications.
- Stacked Precision References for Multiple Voltages: It can be used to create stacked precision references for multiple voltage levels.
Q & A
- What is the output voltage of the AD586ARZ?
The output voltage of the AD586ARZ is 5V, with an initial accuracy of ±5mV.
- What is the operating temperature range of the AD586ARZ?
The operating temperature range is -40°C to +85°C.
- What is the temperature coefficient of the AD586ARZ?
The temperature coefficient is ±15ppm/°C.
- How much current can the AD586ARZ source or sink?
The AD586ARZ can source or sink up to 10mA.
- What is the noise level of the AD586ARZ?
The noise level is typically 4µV p-p from 0.1Hz to 10Hz.
- Can the AD586ARZ be used in military applications?
Yes, MIL-STD-883-compliant versions of the AD586 are available.
- What is the input voltage range for the AD586ARZ?
The input voltage range is 10.8V to 36V.
- What is the quiescent current of the AD586ARZ?
The quiescent current is 3mA max.
- How does the AD586ARZ reduce noise?
The AD586ARZ features a noise reduction pin that can be used with an external capacitor to further reduce noise.
- What types of packages are available for the AD586?
The AD586 is available in 8-lead PDIP, SOIC, and CERDIP packages.
