Overview
The AD1580ART-REEL7, produced by Analog Devices Inc., is a low-cost, two-terminal (shunt) precision bandgap voltage reference. It provides an accurate 1.225 V output voltage and is designed for a wide range of applications, particularly in battery-powered systems and high-current applications. The device is known for its superior accuracy and stability, achieved through precise matching and thermal tracking of on-chip components, as well as proprietary curvature correction design techniques to minimize temperature-related nonlinearities in the output voltage.
Key Specifications
| Specification | Value |
|---|---|
| Output Voltage | 1.225 V |
| Input Current Range | 50 µA to 10 mA |
| Initial Accuracy | ±0.1% maximum |
| Temperature Drift | ±50 ppm/°C maximum |
| Output Impedance | 0.5 Ω maximum |
| Wideband Noise (10 Hz to 10 kHz) | 20 µV rms |
| Operating Temperature Range | −40°C to +85°C |
| Package Types | SOT-23, SC70 |
Key Features
- Wide operating current range: 50 µA to 10 mA.
- High accuracy: ±0.1% maximum initial accuracy.
- Low temperature drift: ±50 ppm/°C maximum.
- Low output impedance: 0.5 Ω maximum.
- Low noise: 20 µV rms wideband noise (10 Hz to 10 kHz).
- Stable with any value of capacitive load.
- Available in SOT-23 and SC70 packages.
Applications
The AD1580ART-REEL7 is ideal for various applications, including battery-powered 3 V or 5 V systems, high-current applications, and systems requiring precise voltage references. It is particularly useful in creating reference levels for 12-bit multiplying DACs such as the AD7943, AD7945, and AD7948. Additionally, it can be used in single-supply bias modes and other precision voltage reference requirements.
Q & A
- What is the output voltage of the AD1580ART-REEL7? The output voltage is 1.225 V.
- What is the input current range of the AD1580ART-REEL7? The input current range is from 50 µA to 10 mA.
- What is the initial accuracy of the AD1580ART-REEL7? The initial accuracy is ±0.1% maximum.
- What is the temperature drift of the AD1580ART-REEL7? The temperature drift is ±50 ppm/°C maximum.
- What is the output impedance of the AD1580ART-REEL7? The output impedance is 0.5 Ω maximum.
- What is the operating temperature range of the AD1580ART-REEL7? The operating temperature range is −40°C to +85°C.
- In what packages is the AD1580ART-REEL7 available? It is available in SOT-23 and SC70 packages.
- Is the AD1580ART-REEL7 stable with any value of capacitive load? Yes, it is stable with any value of capacitive load.
- What are some typical applications of the AD1580ART-REEL7? It is used in battery-powered systems, high-current applications, and as a reference for 12-bit multiplying DACs.
- How does the AD1580ART-REEL7 minimize temperature-related nonlinearities? It uses proprietary curvature correction design techniques to minimize these nonlinearities.
