Overview
The REF5025AIDR, produced by Texas Instruments, is part of the REF50xx family of low-noise, low-drift, very high precision voltage references. These devices are designed to provide excellent temperature drift and high accuracy, making them ideal for use in high-precision data acquisition systems. The REF5025AIDR is available in various grades, including enhanced, high, and standard grades, each offering different levels of precision and performance.
Key Specifications
| Parameter | Value |
|---|---|
| Reference Voltage | 2.5V |
| Temperature Drift (Maximum) | Enhanced-grade: 2.5ppm/°C, High-grade: 3ppm/°C, Standard-grade: 8ppm/°C |
| Accuracy (Maximum) | Enhanced-grade: 0.025%, High-grade: 0.05%, Standard-grade: 0.1% |
| Noise | Enhanced-grade: 0.5µVPP/V, High/Standard-grade: 3µVPP/V |
| Long-term Stability | 22ppm after first 1000 hours (SOIC-8), 50ppm after first 1000 hours (VSSOP-8) |
| Input Voltage Support | Enhanced-grade: 42V, High/Standard-grade: 18V |
| Output Current | ±10mA |
| Operating Temperature Range | -40°C to 125°C |
| Package Type | 8-pin SOIC (D), 8-pin VSSOP (DGK) |
Key Features
- Low temperature drift and high accuracy achieved using proprietary design techniques.
- Very low flicker noise, making it suitable for high-precision data acquisition systems.
- 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 280µA for enhanced-grade models.
- Available in enhanced, high, and standard grades to cater to different application requirements.
Applications
The REF5025AIDR is particularly suited for high-precision data acquisition systems, including but not limited to:
- Industrial automation and control systems.
- Medical devices requiring high precision voltage references.
- Aerospace and defense applications where stability and accuracy are critical.
- Test and measurement equipment.
- High-performance analog circuits.
Q & A
- What is the reference voltage of the REF5025AIDR?
The reference voltage of the REF5025AIDR is 2.5V. - What are the different grades available for the REF5025AIDR?
The REF5025AIDR is available in enhanced, high, and standard grades. - What is the maximum temperature drift for the enhanced grade?
The maximum temperature drift for the enhanced grade is 2.5ppm/°C. - What is the noise level for the enhanced grade?
The noise level for the enhanced grade is 0.5µVPP/V. - What is the operating temperature range of the REF5025AIDR?
The operating temperature range is -40°C to 125°C. - What are the package types available for the REF5025AIDR?
The package types available are 8-pin SOIC (D) and 8-pin VSSOP (DGK). - What is the maximum output current of the REF5025AIDR?
The maximum output current is ±10mA. - What is the long-term stability of the REF5025AIDR in SOIC-8 package?
The long-term stability after the first 1000 hours is 22ppm for the SOIC-8 package. - Can the REF5025AIDR be used in high-precision data acquisition systems?
Yes, the REF5025AIDR is particularly suited for high-precision data acquisition systems due to its low noise and high accuracy. - What is the quiescent current (IQ) for the enhanced grade?
The quiescent current (IQ) for the enhanced grade is 280µA.
