Overview
The REF5050AIDGKT from Texas Instruments is a high-precision voltage reference component belonging to the REF50xx family. This series is known for its low noise, low drift, and high accuracy, making it an excellent choice for high-precision data acquisition systems. The REF5050AIDGKT is specifically a 5-V voltage reference with enhanced performance characteristics.
The device is available in various grades, including enhanced, high, and standard grades, each offering different levels of precision and stability. It is capable of both sinking and sourcing current and features excellent line and load regulation.
Key Specifications
| Parameter | Enhanced Grade | High Grade | Standard Grade |
|---|---|---|---|
| Temperature Drift (maximum) | 2.5 ppm/°C | 3 ppm/°C | 8 ppm/°C |
| High Accuracy (maximum) | 0.025% | 0.05% | 0.1% |
| Noise | 0.5 µVPP/V | 3 µVPP/V | 3 µVPP/V |
| Long-term Stability | 22 ppm after first 1000 hours (SOIC-8) | 50 ppm after first 1000 hours (VSSOP-8) | 50 ppm after first 1000 hours (VSSOP-8) |
| Input Voltage Range | Up to 42 V | Up to 18 V | Up to 18 V |
| Output Current | ±10 mA | ±10 mA | ±10 mA |
| Temperature Range | -40°C to 125°C | -40°C to 125°C | -40°C to 125°C |
| Package | 8-pin SOIC, VSSOP | 8-pin SOIC, VSSOP | 8-pin SOIC, VSSOP |
Key Features
- Low Temperature Drift: The REF5050AIDGKT offers low temperature drift, with the enhanced grade providing as low as 2.5 ppm/°C, ensuring high stability over a wide temperature range.
- High Accuracy: The device boasts high accuracy, with the enhanced grade achieving a maximum of 0.025%, making it suitable for precise applications.
- Low Noise: It features very low noise, with the enhanced grade having 0.5 µVPP/V, which is crucial for high-precision measurements.
- Excellent Long-term Stability: The REF5050AIDGKT exhibits excellent long-term stability, with stability of 22 ppm after the first 1000 hours for SOIC-8 packages and 50 ppm for VSSOP-8 packages.
- High Output Current: The device can source and sink up to ±10 mA, making it versatile for various applications.
- Wide Input Voltage Range: The enhanced grade supports an input voltage range up to 42 V, allowing direct connection to batteries or field supplies.
- Excellent Line and Load Regulation: It provides excellent line and load regulation, ensuring stable output voltage under varying conditions.
Applications
- Precision Data Acquisition Systems: Ideal for high-precision data acquisition due to its low noise and high accuracy.
- Semiconductor Test Equipment: Used in testing and calibration of semiconductor devices.
- Industrial Process Controls: Suitable for precise control and measurement in industrial processes.
- Medical Instrumentation: Applied in medical devices requiring high precision and stability.
- Pressure and Temperature Transmitters: Used in sensors and transmitters for precise measurement of pressure and temperature.
- Lab and Field Instrumentation: Utilized in laboratory and field instruments for accurate measurements.
Q & A
- What is the primary function of the REF5050AIDGKT?
The REF5050AIDGKT is a precision voltage reference, providing a stable 5-V output voltage with low noise and drift.
- What are the different grades available for the REF5050AIDGKT?
The device is available in enhanced, high, and standard grades, each offering different levels of precision and stability.
- What is the temperature drift of the enhanced grade REF5050AIDGKT?
The enhanced grade has a temperature drift of 2.5 ppm/°C.
- What is the maximum output current of the REF5050AIDGKT?
The device can source and sink up to ±10 mA.
- What is the input voltage range for the enhanced grade REF5050AIDGKT?
The enhanced grade supports an input voltage range up to 42 V.
- What are the typical applications of the REF5050AIDGKT?
It is used in precision data acquisition systems, semiconductor test equipment, industrial process controls, medical instrumentation, and lab and field instrumentation.
- What is the long-term stability of the REF5050AIDGKT?
The device exhibits excellent long-term stability, with 22 ppm after the first 1000 hours for SOIC-8 packages and 50 ppm for VSSOP-8 packages.
- What are the package options for the REF5050AIDGKT?
The device is available in 8-pin SOIC and VSSOP packages.
- What is the operating temperature range of the REF5050AIDGKT?
The operating temperature range is -40°C to 125°C.
- How does the REF5050AIDGKT ensure line and load regulation?
The device provides excellent line and load regulation, ensuring stable output voltage under varying input and load conditions.
