Overview
The REF5010AIDGKR, produced by Texas Instruments, is a high-precision series voltage reference from the REF50xx family. This component is designed to offer low noise, low drift, and high accuracy, making it an excellent choice for high-precision data acquisition systems. The REF5010AIDGKR is available in various grades, including enhanced, high, and standard grades, each with distinct performance characteristics. 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% |
| Low 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 Support | Up to 42V | Up to 18V | Up to 18V |
| 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 | SOIC-8, VSSOP-8 | SOIC-8, VSSOP-8 | SOIC-8, VSSOP-8 |
Key Features
- Low temperature drift and high accuracy achieved using proprietary design techniques.
- Very low flicker noise, making it suitable for high-precision applications.
- Capable of both sinking and sourcing current with excellent line and load regulation.
- Wide input voltage support, allowing direct connection to battery or field supply.
- Ultra-low quiescent current (IQ) of 340 µA for the enhanced grade.
- Excellent long-term stability with minimal drift over time.
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 REF5010AIDGKR?
The temperature drift of the REF5010AIDGKR varies by grade: 2.5 ppm/°C for the enhanced grade, 3 ppm/°C for the high grade, and 8 ppm/°C for the standard grade.
- What is the maximum output current of the REF5010AIDGKR?
The maximum output current is ±10 mA.
- What are the available packages for the REF5010AIDGKR?
The REF5010AIDGKR is available in 8-pin SOIC and VSSOP packages.
- What is the operating temperature range of the REF5010AIDGKR?
The operating temperature range is -40°C to 125°C.
- What is the quiescent current (IQ) of the enhanced grade REF5010AIDGKR?
The quiescent current (IQ) of the enhanced grade is 340 µA.
- What are some typical applications of the REF5010AIDGKR?
Typical applications include precision data acquisition systems, semiconductor test equipment, industrial process controls, medical instrumentation, and lab and field instrumentation.
- How does the REF5010AIDGKR handle long-term stability?
The REF5010AIDGKR exhibits excellent long-term stability with minimal drift over time, specifically 22 ppm after the first 1000 hours for SOIC-8 packages and 50 ppm for VSSOP-8 packages.
- What is the noise performance of the REF5010AIDGKR?
The noise performance is very low, with 0.5 µVPP/V for the enhanced grade and 3 µVPP/V for the high and standard grades).
- Can the REF5010AIDGKR be used in high-voltage applications?
The enhanced grade supports a wide supply voltage rating of up to 42V, while the high and standard grades support up to 18V).
- How does the REF5010AIDGKR protect against power supply IC failure?
The wide supply range and low quiescent current help protect the device in case of power supply IC failure by allowing direct connection to the battery or field supply).
