Overview
The REF5025AIDG4, produced by Texas Instruments, is part of the REF50xx family of low-noise, low-drift, very high precision voltage references. These voltage references are designed to provide high accuracy and stability, making them suitable for high-precision applications. The REF5025AIDG4 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 | Enhanced Grade | High Grade | Standard Grade |
|---|---|---|---|
| Temperature Drift (maximum) | 2.5 ppm/°C | 3 ppm/°C | 8 ppm/°C |
| 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 Support | 42 V | 18 V | 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 | SOIC-8, VSSOP-8 | SOIC-8, VSSOP-8 | SOIC-8, VSSOP-8 |
Key Features
- Low temperature drift and high accuracy, with enhanced-grade models offering 2.5 ppm/°C and 0.025% accuracy.
- Very low noise, with enhanced-grade models having 0.5 µVPP/V.
- Excellent long-term stability, with 22 ppm after the first 1000 hours for SOIC-8 packages.
- Wide input voltage support, up to 42 V for enhanced-grade models.
- High-output current capability of ±10 mA.
- Wide temperature range of -40°C to 125°C.
- Ultra-low quiescent current (IQ) of 340 µA for enhanced-grade models.
- Available in SOIC-8 and VSSOP-8 packages.
Applications
The REF5025AIDG4 is particularly suited for high-precision data acquisition systems, precision instrumentation, and other applications requiring stable and accurate voltage references. It is also suitable for use in industrial control systems, medical devices, and any application where low noise and high stability are critical.
Q & A
- What is the temperature drift of the REF5025AIDG4 in enhanced grade?
The temperature drift of the REF5025AIDG4 in enhanced grade is 2.5 ppm/°C.
- What is the maximum accuracy of the REF5025AIDG4 in standard grade?
The maximum accuracy of the REF5025AIDG4 in standard grade is 0.1%.
- How much noise does the enhanced-grade REF5025AIDG4 produce?
The enhanced-grade REF5025AIDG4 produces 0.5 µVPP/V of noise.
- What is the long-term stability of the REF5025AIDG4 in SOIC-8 package?
The long-term stability of the REF5025AIDG4 in SOIC-8 package is 22 ppm after the first 1000 hours.
- What is the maximum input voltage support for the enhanced-grade REF5025AIDG4?
The maximum input voltage support for the enhanced-grade REF5025AIDG4 is 42 V.
- What is the output current capability of the REF5025AIDG4?
The output current capability of the REF5025AIDG4 is ±10 mA.
- What is the temperature range of the REF5025AIDG4?
The temperature range of the REF5025AIDG4 is -40°C to 125°C.
- In what packages is the REF5025AIDG4 available?
The REF5025AIDG4 is available in SOIC-8 and VSSOP-8 packages.
- What is the quiescent current (IQ) of the enhanced-grade REF5025AIDG4?
The quiescent current (IQ) of the enhanced-grade REF5025AIDG4 is 340 µA.
- For which applications is the REF5025AIDG4 particularly suited?
The REF5025AIDG4 is particularly suited for high-precision data acquisition systems, precision instrumentation, and other applications requiring stable and accurate voltage references.
