Overview
The REF5050AIDGKR is a precision voltage reference from Texas Instruments, part of the REF50xx family. This component is known for its low noise, low drift, and high precision, making it an excellent choice for high-precision data acquisition systems. The REF5050AIDGKR is available in various grades, including enhanced, high, and standard grades, each offering different levels of accuracy and temperature drift. 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 and high accuracy achieved using proprietary design techniques.
- Very low noise, with enhanced grade offering 0.5 µVPP/V.
- Excellent long-term stability, with minimal drift over time.
- High-output current capability of ±10 mA.
- Wide input voltage support, up to 42 V for enhanced grade.
- Excellent line and load regulation.
- Capable of both sinking and sourcing current.
- Available in 8-pin SOIC and VSSOP packages.
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 temperature drift of the REF5050AIDGKR in enhanced grade?
The temperature drift of the REF5050AIDGKR in enhanced grade is 2.5 ppm/°C.
- What is the maximum output current of the REF5050AIDGKR?
The maximum output current of the REF5050AIDGKR is ±10 mA.
- What are the available package types for the REF5050AIDGKR?
The REF5050AIDGKR is available in 8-pin SOIC and VSSOP packages.
- What is the noise level of the enhanced grade REF5050AIDGKR?
The noise level of the enhanced grade REF5050AIDGKR is 0.5 µVPP/V.
- What is the operating temperature range of the REF5050AIDGKR?
The operating temperature range of the REF5050AIDGKR is -40°C to 125°C).
- What are some typical applications of the REF5050AIDGKR?
Typical applications include precision data acquisition systems, semiconductor test equipment, industrial process controls, medical instrumentation, and lab and field instrumentation).
- How does the REF5050AIDGKR handle line and load regulation?
The REF5050AIDGKR features excellent line and load regulation, ensuring stable output voltage under varying input and load conditions).
- What is the long-term stability of the REF5050AIDGKR?
The REF5050AIDGKR exhibits excellent long-term stability, with minimal drift over time, such as 22 ppm after the first 1000 hours for SOIC-8 packages).
- Can the REF5050AIDGKR be used in high-precision data acquisition systems?
Yes, the REF5050AIDGKR is specifically designed for use in high-precision data acquisition systems due to its low noise, low drift, and high accuracy).
- What is the quiescent current of the REF5050AIDGKR?
The quiescent current of the REF5050AIDGKR is typically around 0.8 mA to 1.2 mA over the operating temperature range).
