Overview
The AD580JH is a high precision, 2.5 V IC voltage reference produced by Analog Devices Inc. This three-terminal, temperature-compensated, bandgap voltage reference is designed to provide a stable 2.5 V output for input voltages ranging from 4.5 V to 30 V. The AD580JH is known for its low cost and advanced circuit design, which includes laser-wafer trimmed thin-film resistors to minimize output error and ensure high accuracy.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Output Voltage Tolerance | ±75 | ±25 | ±10 | mV |
| Output Voltage Change (TMIN to TMAX) | 15 | 7 | 4.3 | mV |
| Line Regulation (7 V ≤ VIN ≤ 30 V) | 1.5 | 1.5 | 2 | mV |
| Line Regulation (4.5 V ≤ VIN ≤ 7 V) | 0.3 | 0.3 | 1 | mV |
| Load Regulation (∆I = 10 mA) | 10 | 10 | 10 | mV |
| Quiescent Current | 1.0 | 1.5 | 1.5 | mA |
| Noise (0.1 Hz to 10 Hz) | 8 | 8 | 8 | µV p-p |
| Long-term Stability | 250 | 250 | 250 | µV |
| Temperature Performance (Specified) | 0 | +70 | °C | |
| Temperature Performance (Operating) | -55 | +125 | °C | |
| Package Option | TO-52 (H-03A) |
Key Features
- Laser-trimming of Thin Film Resistors: Minimizes output error, ensuring high accuracy and stability.
- Three-terminal Operation: Provides regulated output voltage without any external components.
- Wide Input Range: Operates with input voltages between 4.5 V and 30 V, making it suitable for systems with a single logic power supply.
- Low Quiescent Current: Maximum of 1.5 mA, offering an advantage over classical Zener techniques.
- Temperature Stability: Better than 10 ppm/°C and long-term stability better than 250 µV.
- Compact Packaging: Available in TO-52 (H-03A) hermetic IC package, with MIL-STD-883 compliant versions available.
Applications
- D/A Converters: Recommended as a stable reference for 8-, 10-, and 12-bit D/A converters that require an external reference.
- Digital Panel Meters: Ideal for applications where only a single logic power supply is available.
- General Voltage Reference: Suitable for any application requiring a stable and precise voltage reference.
Q & A
- What is the output voltage of the AD580JH?
The AD580JH provides a fixed 2.5 V output voltage.
- What is the input voltage range for the AD580JH?
The input voltage range is between 4.5 V and 30 V.
- What is the temperature stability of the AD580JH?
The temperature stability is better than 10 ppm/°C.
- What is the long-term stability of the AD580JH?
The long-term stability is better than 250 µV.
- What is the quiescent current of the AD580JH?
The maximum quiescent current is 1.5 mA.
- In what package is the AD580JH available?
The AD580JH is available in a TO-52 (H-03A) hermetic IC package.
- Is the AD580JH suitable for military and aerospace applications?
Yes, it has versions compliant with MIL-STD-883 and operates over an extended temperature range of –55°C to +125°C.
- What are the typical applications of the AD580JH?
It is recommended for D/A converters, digital panel meters, and any application requiring a stable and precise voltage reference.
- How does the AD580JH compare to classical Zener techniques?
The AD580JH has a lower quiescent current drain compared to classical Zener techniques.
- What is the noise performance of the AD580JH?
The noise performance is 8 µV p-p from 0.1 Hz to 10 Hz.
