Overview
The REF5020AIDRG4 is a precision voltage reference from Texas Instruments, part of the REF50xx family. This component is designed for high-precision applications requiring low noise, very low drift, and excellent long-term stability. It is available in an 8-pin SOIC package and operates over a temperature range of –40°C to 125°C. The REF5020AIDRG4 is particularly suited for applications where high accuracy and minimal temperature drift are critical.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 2.048 | V |
| Initial Accuracy (High Grade) | ±0.05% | |
| Initial Accuracy (Standard Grade) | ±0.1% | |
| Temperature Drift (High Grade) | 3 ppm/°C | |
| Temperature Drift (Standard Grade) | 8 ppm/°C | |
| Noise (0.1 Hz to 10 Hz) | 3 μVPP/V | |
| Long-Term Stability (First 1000 hours) | 50 ppm | |
| Output Current | ±10 mA | |
| Supply Voltage Range | 2.7 V to 18 V | V |
| Operating Temperature Range | –40°C to 125°C | °C |
| Package Type | 8-pin SOIC | |
| Package Size | 4.90 mm × 3.91 mm | mm |
Key Features
- Low temperature drift: High-grade models offer 3 ppm/°C, while standard-grade models offer 8 ppm/°C.
- High accuracy: High-grade models have an initial accuracy of ±0.05%, and standard-grade models have an initial accuracy of ±0.1%.
- Low noise: The output voltage noise is 3 μVPP/V in the frequency range of 0.1 Hz to 10 Hz.
- Excellent long-term stability: The component exhibits stability of 50 ppm over the first 1000 hours.
- High-output current: Capable of sourcing and sinking up to ±10 mA.
- Excellent line and load regulation.
Applications
- Precision data acquisition systems.
- Semiconductor test equipment.
- Industrial process controls.
- Medical instrumentation.
- Pressure and temperature transmitters.
- Lab and field instrumentation.
Q & A
- What is the output voltage of the REF5020AIDRG4? The output voltage of the REF5020AIDRG4 is 2.048 V.
- What are the initial accuracy specifications for the REF5020AIDRG4? The high-grade model has an initial accuracy of ±0.05%, and the standard-grade model has an initial accuracy of ±0.1%.
- What is the temperature drift of the REF5020AIDRG4? The high-grade model has a temperature drift of 3 ppm/°C, and the standard-grade model has a temperature drift of 8 ppm/°C.
- What is the noise level of the REF5020AIDRG4? The output voltage noise is 3 μVPP/V in the frequency range of 0.1 Hz to 10 Hz.
- What is the long-term stability of the REF5020AIDRG4? The component exhibits stability of 50 ppm over the first 1000 hours.
- What is the maximum output current of the REF5020AIDRG4? The REF5020AIDRG4 can source and sink up to ±10 mA.
- What is the operating temperature range of the REF5020AIDRG4? The operating temperature range is –40°C to 125°C.
- In what package is the REF5020AIDRG4 available? The REF5020AIDRG4 is available in an 8-pin SOIC package.
- What are some typical applications of the REF5020AIDRG4? Typical applications include precision data acquisition systems, semiconductor test equipment, industrial process controls, medical instrumentation, and lab and field instrumentation.
- What is the minimum supply voltage required for the REF5020AIDRG4? The minimum supply voltage required is 2.7 V.
