Overview
The REF5025IDG4, produced by Texas Instruments, is a high-precision voltage reference component belonging to the REF50xx family. This device is renowned for its low noise, low drift, and high accuracy, making it an excellent choice for high-precision data acquisition systems. The REF5025IDG4 is available in various grades, including enhanced, high, and standard grades, each offering different levels of precision and performance. It is packaged in 8-pin SOIC and VSSOP configurations and operates over a temperature range of -40°C to 125°C.
Key Specifications
| Parameter | Enhanced Grade | High Grade | Standard Grade |
|---|---|---|---|
| Output Voltage (VOUT) | 2.5 V | 2.5 V | 2.5 V |
| Temperature Drift (dVOUT/dT) | 2.5 ppm/°C | 3 ppm/°C | 8 ppm/°C |
| Initial Accuracy | ±0.025% | ±0.05% | ±0.1% |
| Noise (0.1 Hz to 10 Hz) | 0.5 µVPP/V | 3 µVPP/V | 3 µVPP/V |
| Input Voltage Range | 2.7 V to 42 V | 2.7 V to 18 V | 2.7 V to 18 V |
| Output Current | ±10 mA | ±10 mA | ±10 mA |
| Quiescent Current | 340 µA (typical) | 1 mA (typical) | 1 mA (typical) |
| Temperature Range | -40°C to 125°C | -40°C to 125°C | -40°C to 125°C |
Key Features
- Low Noise and Drift: The REF5025IDG4 features very low noise (0.5 µVPP/V for enhanced grade, 3 µVPP/V for high and standard grades) and temperature drift (2.5 ppm/°C for enhanced grade, 3 ppm/°C for high grade, and 8 ppm/°C for standard grade), making it suitable for high-precision applications.
- High Accuracy: The device offers high accuracy with initial accuracy of ±0.025% for enhanced grade, ±0.05% for high grade, and ±0.1% for standard grade.
- Wide Input Voltage Range: The enhanced grade supports a wide input voltage range of up to 42 V, while the high and standard grades support up to 18 V.
- High Output Current: The REF5025IDG4 can source and sink up to ±10 mA of current.
- Excellent Line and Load Regulation: The device exhibits excellent line and load regulation, ensuring stable output voltage under varying conditions.
- Long-Term Stability: It has excellent long-term stability with minimal output voltage shift over time.
Applications
- High-Precision Data Acquisition Systems: The REF5025IDG4 is ideal for applications requiring high precision and low noise, such as in data acquisition systems, analog-to-digital converters (ADCs), and digital-to-analog converters (DACs).
- Industrial Automation: It is suitable for industrial automation systems that require stable and accurate voltage references.
- Medical Devices: The device can be used in medical equipment where high precision and low noise are critical.
- Aerospace and Defense: Its high reliability and stability make it a good choice for aerospace and defense applications.
Q & A
- What is the output voltage of the REF5025IDG4?
The output voltage of the REF5025IDG4 is 2.5 V.
- What are the different grades available for the REF5025IDG4?
The REF5025IDG4 is available in enhanced, high, and standard grades, each offering different levels of precision and performance.
- What is the temperature drift of the enhanced grade REF5025IDG4?
The temperature drift of the enhanced grade REF5025IDG4 is 2.5 ppm/°C.
- What is the maximum output current of the REF5025IDG4?
The REF5025IDG4 can source and sink up to ±10 mA of current.
- What is the operating temperature range of the REF5025IDG4?
The operating temperature range of the REF5025IDG4 is -40°C to 125°C.
- What are the typical applications of the REF5025IDG4?
The REF5025IDG4 is typically used in high-precision data acquisition systems, industrial automation, medical devices, and aerospace and defense applications.
- What is the quiescent current of the enhanced grade REF5025IDG4?
The quiescent current of the enhanced grade REF5025IDG4 is typically 340 µA.
- Does the REF5025IDG4 support both sourcing and sinking current?
- What is the noise level of the enhanced grade REF5025IDG4?
The noise level of the enhanced grade REF5025IDG4 is 0.5 µVPP/V.
- What are the package options available for the REF5025IDG4?
The REF5025IDG4 is available in 8-pin SOIC and VSSOP packages.
