Overview
The REF5050AIDR, produced by Texas Instruments, is a precision voltage reference component that belongs to the REF50xx family. This device is renowned for its low noise, very low drift, and high precision, making it suitable for a wide range of applications requiring stable voltage references. The REF5050AIDR is available in various grades, including enhanced, high, and standard grades, each offering different levels of accuracy and temperature drift performance.
Key Specifications
| Specification | Value | Notes |
|---|---|---|
| Output Voltage | 5.0 V | |
| Temperature Drift (Maximum) | Enhanced-grade: 2.5 ppm/°C High-grade: 3 ppm/°C Standard-grade: 8 ppm/°C | |
| Initial Accuracy (Maximum) | Enhanced-grade: 0.025% High-grade: 0.05% Standard-grade: 0.1% | |
| Noise | Enhanced-grade: 0.5 μVPP/V High/Standard-grade: 3 μVPP/V | |
| Long-term Stability | 22 ppm after first 1000 hours (SOIC-8) 50 ppm after first 1000 hours (VSSOP-8) | |
| Input Voltage Range | Enhanced-grade: Up to 42 V High/Standard-grade: Up to 18 V | |
| Output Current | ±10 mA | |
| Operating Temperature Range | -40°C to 125°C |
Key Features
- Low temperature drift and high accuracy, making it ideal for precision applications.
- Low noise characteristics, with 3 μVPP/V for high and standard grades.
- Excellent long-term stability, with minimal drift over time.
- High-output current capability of ±10 mA.
- Wide input voltage support, with up to 18 V for high and standard grades.
- Operates over a broad temperature range from -40°C to 125°C.
- Capable of both sinking and sourcing current.
- 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 REF5050AIDR?
The output voltage of the REF5050AIDR is 5.0 V. - What are the different grades of the REF5050AIDR and their temperature drift specifications?
The REF5050AIDR is available in enhanced, high, and standard grades with temperature drifts of 2.5 ppm/°C, 3 ppm/°C, and 8 ppm/°C respectively. - What is the noise level of the REF5050AIDR?
The noise level is 0.5 μVPP/V for the enhanced grade and 3 μVPP/V for the high and standard grades. - What is the long-term stability of the REF5050AIDR?
The long-term stability is 22 ppm after the first 1000 hours for SOIC-8 packages and 50 ppm for VSSOP-8 packages. - What is the input voltage range for the REF5050AIDR?
The input voltage range is up to 42 V for the enhanced grade and up to 18 V for the high and standard grades. - What is the output current capability of the REF5050AIDR?
The output current capability is ±10 mA. - What is the operating temperature range of the REF5050AIDR?
The operating temperature range is from -40°C to 125°C. - In which types of applications is the REF5050AIDR commonly used?
The REF5050AIDR is commonly used in precision data acquisition systems, semiconductor test equipment, industrial process controls, medical instrumentation, pressure and temperature transmitters, and lab and field instrumentation. - Does the REF5050AIDR support both sinking and sourcing current?
Yes, the REF5050AIDR is capable of both sinking and sourcing current. - What are the package options for the REF5050AIDR?
The REF5050AIDR is available in SOIC-8 and VSSOP-8 packages.
