Overview
The REF5050AIDG4 is a high-precision voltage reference from Texas Instruments, part of the REF50xx family. These voltage references are known for their low noise, low drift, and high accuracy, making them ideal for high-precision data acquisition systems. The REF5050AIDG4 is capable of both sinking and sourcing current and features excellent line and load regulation. It is available in various grades, including enhanced, high, and standard grades, each offering different levels of precision and performance.
Key Specifications
| Specification | Value |
|---|---|
| Package Type | VSSOP (DGK), 8 pins |
| Operating Temperature Range | -40°C to 125°C |
| Temperature Drift (Maximum) | Enhanced-grade: 2.5 ppm/°C, High-grade: 3 ppm/°C, Standard-grade: 8 ppm/°C |
| 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 Support | Enhanced-grade: 42V, High/Standard-grade: 18V |
| Output Current | ±10 mA |
| Quiescent Current (IQ) | 340 µA (Enhanced-grade) |
Key Features
- Low temperature drift and high accuracy using proprietary design techniques.
- Very low flicker noise, making it suitable for high-precision applications.
- Excellent line and load regulation.
- Capable of both sinking and sourcing current.
- Wide input voltage support, allowing direct connection to battery or field supply.
- Ultra-low quiescent current (IQ) of 340 µA in enhanced grade.
- Available in enhanced, high, and standard grades to cater to different precision requirements.
Applications
The REF5050AIDG4 is particularly suited for high-precision data acquisition systems, precision measurement instruments, and any application requiring stable and accurate voltage references. Its wide input voltage range and low noise characteristics make it ideal for use in industrial, medical, and aerospace applications.
Q & A
- What is the REF5050AIDG4? The REF5050AIDG4 is a high-precision voltage reference from Texas Instruments, part of the REF50xx family.
- What are the key features of the REF5050AIDG4? It features low temperature drift, high accuracy, low noise, excellent line and load regulation, and the ability to sink and source current.
- What are the different grades available for the REF5050? The REF5050 is available in enhanced, high, and standard grades, each offering different levels of precision and performance.
- What is the operating temperature range of the REF5050AIDG4? The operating temperature range is -40°C to 125°C.
- What is the maximum output current of the REF5050AIDG4? The maximum output current is ±10 mA.
- What is the quiescent current (IQ) of the enhanced grade REF5050? The quiescent current (IQ) of the enhanced grade is 340 µA.
- What are the typical applications of the REF5050AIDG4? It is used in high-precision data acquisition systems, precision measurement instruments, and other applications requiring stable and accurate voltage references.
- Is the REF5050AIDG4 still in production? No, the REF5050AIDG4 is scheduled for obsolescence and will be discontinued by the manufacturer.
- What package types are available for the REF5050AIDG4? It is available in 8-pin VSSOP (DGK) and SOIC packages.
- What is the long-term stability of the REF5050AIDG4? The long-term stability is 22 ppm after the first 1000 hours for SOIC-8 and 50 ppm for VSSOP-8.
