Overview
The AD581TH, produced by Analog Devices Inc., is a high-precision, 10V voltage reference IC designed to provide a stable and accurate voltage output. This monolithic, temperature-compensated device is ideal for applications requiring a precise voltage reference, such as in analog-to-digital converters (ADCs), digital-to-analog converters (DACs), instrumentation, and measurement equipment. The AD581TH features a band gap circuit design, which offers superior stability and performance compared to traditional Zener breakdown diode techniques, without the need for external components.
Key Specifications
| Specification | Value |
|---|---|
| Output Voltage | 10.00 V |
| Initial Accuracy | ±0.1% |
| Temperature Coefficient | 15 ppm/°C |
| Noise (0.1Hz to 10Hz) | 40 μVp-p |
| Input Voltage Range | 12 V to 30 V |
| Supply Current | 1 mA |
| Output Current | Up to 10 mA |
| Operating Temperature Range | -55°C to 125°C |
| Package | TO-5-3 Metal Can |
Key Features
- Precise and Stable Voltage Reference: Offers a fixed 10V output with tight ±0.1% initial accuracy and a low temperature coefficient of 15 ppm/°C.
- Low Noise and Power Consumption: Features low noise of 40 μVp-p (0.1Hz to 10Hz) and a low quiescent current of 1 mA.
- Wide Operating Temperature Range: Operates over a wide temperature range of -55°C to 125°C, making it suitable for various industrial and medical applications.
- Robust and Reliable Performance: Packaged in a hermetically sealed TO-5-3 metal can, ensuring reliable operation in demanding environments.
Applications
- Analog-to-Digital Converters (ADCs): Ideal for ADCs up to 14-bit accuracy, including successive approximation and integrating designs.
- Digital-to-Analog Converters (DACs): Recommended for use with 8-, 10-, or 12-bit DACs that require an external precision reference.
- Instrumentation and Measurement Equipment: Used in various measurement and control systems where precise voltage references are critical.
- Industrial Control Systems: Suitable for industrial applications requiring stable and accurate voltage references.
- Medical Devices: Employed in medical equipment where high precision and reliability are essential.
Q & A
- What is the output voltage of the AD581TH?
The output voltage of the AD581TH is 10.00 V.
- What is the temperature coefficient of the AD581TH?
The temperature coefficient of the AD581TH is 15 ppm/°C.
- What is the input voltage range for the AD581TH?
The input voltage range for the AD581TH is from 12 V to 30 V.
- How much current can the AD581TH supply?
The AD581TH can supply up to 10 mA of output current.
- What is the operating temperature range of the AD581TH?
The operating temperature range of the AD581TH is from -55°C to 125°C.
- What type of package does the AD581TH come in?
The AD581TH is packaged in a hermetically sealed TO-5-3 metal can.
- Is the AD581TH suitable for industrial applications?
Yes, the AD581TH is suitable for industrial applications due to its robust and reliable performance.
- Can the AD581TH be used in medical devices?
Yes, the AD581TH is employed in medical devices where high precision and reliability are essential.
- What are some common applications of the AD581TH?
The AD581TH is commonly used in ADCs, DACs, instrumentation, measurement equipment, industrial control systems, and medical devices.
- Is the AD581TH a direct replacement for other voltage reference ICs?
Yes, the AD581TH can be used as a direct replacement for various voltage reference ICs, including the AD580, LM329, and REF01.
