Overview
The AD581UH/883B is a high precision 10 V IC reference produced by Analog Devices Inc. This device is a 3-pin, temperature-compensated, monolithic band gap voltage reference designed to provide a precise 10.00 V output from an unregulated input voltage ranging from 12 V to 30 V. It is particularly noted for its high accuracy and stability, making it suitable for various high-precision applications in analog and digital systems.
Key Specifications
| Parameter | Min | Typ | Max |
|---|---|---|---|
| Output Voltage Tolerance | ±5 mV | ±10 mV | ±30 mV |
| Temperature Coefficient | 5 ppm/°C | 15 ppm/°C | 30 ppm/°C |
| Line Regulation (15 V ≤ VIN ≤ 30 V) | 3.0 mV (0.002%)/V | ||
| Line Regulation (13 V ≤ VIN ≤ 15 V) | 1.0 mV (0.005%)/V | ||
| Load Regulation (0 ≤ IOUT ≤ 5 mA) | 200 μV/mA | 500 μV/mA | |
| Quiescent Current | 0.75 mA | 1.0 mA | |
| Turn-on Settling Time to 0.1% | 200 μs | ||
| Noise (0.1 Hz to 10 Hz) | 40 μV (p-p) | ||
| Long-term Stability | 25 ppm/1000 hr | ||
| Operating Temperature Range | −55°C to +125°C | ||
| Package | Hermetically sealed 3-pin TO-5 metal can |
Key Features
- Laser Wafer Trimming: The AD581UH/883B is laser-trimmed to achieve high accuracy and a low temperature coefficient, ensuring minimal errors over temperature without the need for external components.
- High Precision Output: Provides a precise 10.00 V output with an initial error tolerance as low as ±5 mV and a temperature coefficient of 5 ppm/°C.
- Low Quiescent Current: The device operates with a typical quiescent current of 750 μA, making it suitable for low power systems.
- Wide Input Range: Can operate with an unregulated input voltage down to 12 V and as low as 11.4 V with an external resistor.
- MIL-STD-883 Compliance: Available in versions compliant with MIL-STD-883, making it suitable for military and aerospace applications.
Applications
- Digital-to-Analog Converters (DACs): Recommended for use as a reference for 8-, 10-, or 12-bit DACs that require an external precision reference.
- Analog-to-Digital Converters (ADCs): Ideal for all types of ADCs up to 14-bit accuracy, including successive approximation and integrating designs.
- Hybrid Designs: Valuable for hybrid designers due to its ease of use and high performance without the need for external trims.
- Low Power Systems: Suitable for CMOS and other low power applications requiring high precision voltage references.
Q & A
- What is the output voltage of the AD581UH/883B?
The AD581UH/883B provides a precise 10.00 V output. - What is the temperature coefficient of the AD581UH/883B?
The temperature coefficient is as low as 5 ppm/°C. - What is the quiescent current of the AD581UH/883B?
The typical quiescent current is 750 μA. - What is the operating temperature range of the AD581UH/883B?
The operating temperature range is −55°C to +125°C. - Is the AD581UH/883B compliant with MIL-STD-883?
Yes, it is available in versions compliant with MIL-STD-883. - What type of package does the AD581UH/883B come in?
The device is packaged in a hermetically sealed 3-pin TO-5 metal can. - Can the AD581UH/883B be used in hybrid designs?
Yes, it is highly valuable for hybrid designers due to its ease of use and high performance without the need for external trims. - What is the line regulation of the AD581UH/883B?
The line regulation is 3.0 mV (0.002%)/V for 15 V ≤ VIN ≤ 30 V and 1.0 mV (0.005%)/V for 13 V ≤ VIN ≤ 15 V. - What is the load regulation of the AD581UH/883B?
The load regulation is 200 μV/mA for 0 ≤ IOUT ≤ 5 mA. - What is the turn-on settling time of the AD581UH/883B?
The turn-on settling time to 0.1% is 200 μs.
