Overview
The AD580UH is a high-precision, 3-terminal, temperature-compensated, bandgap voltage reference IC produced by Analog Devices Inc. This device provides a fixed 2.5 V output voltage with an initial tolerance of ±0.4% and is designed for applications requiring a stable voltage reference. The AD580UH operates over an extended temperature range of -55°C to +125°C, making it suitable for a wide range of industrial, medical, and automotive applications. Its unique combination of advanced circuit design and laser-wafer trimmed thin-film resistors ensures excellent temperature stability and long-term stability.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Output Voltage Tolerance | ±10 | - | - | mV |
| Output Voltage Change (TMIN to TMAX) | 4.3 | - | 25 | mV / ppm/°C |
| Line Regulation (7 V ≤ VIN ≤ 30 V) | 1.5 | - | 6 | mV |
| Load Regulation (∆I = 10 mA) | 10 | - | - | mV |
| Quiescent Current | 1.0 | 1.5 | 1.5 | mA |
| Noise (0.1 Hz to 10 Hz) | 8 | - | - | µV p-p |
| Long-Term Stability | 250 | - | - | µV |
| Temperature Range | -55 | - | 125 | °C |
| Package/Case | - | - | - | TO-52 |
Key Features
- Fixed Output Voltage: 2.5 V with an initial tolerance of ±0.4%.
- Three-Terminal Device: Voltage in/voltage out operation without any external components.
- Temperature Stability: Better than 10 ppm/°C.
- Long-Term Stability: Better than 250 µV.
- Low Quiescent Current: Maximum of 1.5 mA.
- Hermetic IC Package: Available in TO-52 can, with MIL-STD-883 compliant versions.
- Low Noise Level: 8 µV p-p (0.1 Hz to 10 Hz).
Applications
- Precision Circuitry: Ideal for applications requiring a stable voltage reference.
- Industrial Control Systems: Suitable for various industrial applications.
- Medical Equipment: Used in medical devices where precision is critical.
- Automotive Applications: Applicable in automotive systems due to its wide temperature range.
- Aerospace and Defense Industries: Utilized in aerospace and defense due to its high reliability and precision).
- Digital Panel Meters: Ideal for digital panel meter applications or systems with a single logic power supply).
- D/A Converters: Recommended for 8-, 10-, and 12-bit D/A converters that require an external reference).
Q & A
- What is the output voltage of the AD580UH?
The AD580UH provides a fixed output voltage of 2.5 V with an initial tolerance of ±0.4%.
- What is the operating temperature range of the AD580UH?
The AD580UH operates over an extended temperature range of -55°C to +125°C.
- What is the quiescent current of the AD580UH?
The quiescent current of the AD580UH is a maximum of 1.5 mA.
- What package type is the AD580UH available in?
The AD580UH is available in a TO-52 hermetic IC package.
- Is the AD580UH suitable for high-precision applications?
Yes, the AD580UH is designed for high-precision applications with excellent temperature stability and long-term stability.
- Can the AD580UH be used in digital panel meters?
Yes, the AD580UH is ideal for digital panel meter applications or whenever only a single logic power supply is available.
- Is the AD580UH compliant with MIL-STD-883?
Yes, MIL-STD-883 compliant versions of the AD580UH are available.
- What is the noise level of the AD580UH?
The noise level of the AD580UH is 8 µV p-p (0.1 Hz to 10 Hz).
- Can the AD580UH be used in automotive applications?
Yes, the AD580UH is suitable for automotive applications due to its wide operating temperature range and high reliability.
- Is the AD580UH RoHS compliant?
Yes, the AD580UH is lead-free and RoHS compliant.
