Overview
The REF5025IDR, 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 excellent temperature stability and high accuracy, making them ideal for high-precision data acquisition systems. The REF5025IDR is capable of both sinking and sourcing current and features excellent line and load regulation. It is available in enhanced, high, and standard grades, each offering different levels of precision and stability.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Output Voltage | 2.5V | |
| Temperature Drift (Maximum) | Enhanced-grade: 2.5ppm/°C, High-grade: 3ppm/°C, Standard-grade: 8ppm/°C | |
| High 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 Range | Enhanced-grade: 42V, High/Standard-grade: 18V | |
| Output Current | ±10mA | |
| Operating Temperature Range | -40°C to 125°C | |
| Package | SOIC (D) 8-pin, VSSOP (DGK) 8-pin |
Key Features
- Low temperature drift and high accuracy, with maximum drifts of 2.5ppm/°C for enhanced-grade, 3ppm/°C for high-grade, and 8ppm/°C for standard-grade.
- Low noise levels, with 0.5µVPP/V for enhanced-grade and 3µVPP/V for high and standard grades.
- Excellent long-term stability, with 22ppm after the first 1000 hours for SOIC-8 packages and 50ppm for VSSOP-8 packages.
- Wide input voltage support, with up to 42V for enhanced-grade and up to 18V for high and standard grades.
- High-output current capability of ±10mA.
- Excellent line and load regulation.
- Ultra-low quiescent current (IQ) of 280µA for enhanced-grade.
Applications
The REF5025IDR is particularly suited for high-precision data acquisition systems, precision instrumentation, and any application requiring stable and accurate voltage references. It is also useful in battery-powered devices due to its wide supply voltage range and low quiescent current.
Q & A
- What is the output voltage of the REF5025IDR?
The output voltage of the REF5025IDR is 2.5V.
- What are the temperature drift specifications for the REF5025IDR?
The temperature drift is 2.5ppm/°C for enhanced-grade, 3ppm/°C for high-grade, and 8ppm/°C for standard-grade.
- What is the noise level of the REF5025IDR?
The noise level is 0.5µVPP/V for enhanced-grade and 3µVPP/V for high and standard grades.
- What is the long-term stability of the REF5025IDR?
The long-term stability is 22ppm after the first 1000 hours for SOIC-8 packages and 50ppm for VSSOP-8 packages.
- What is the input voltage range for the REF5025IDR?
The input voltage range is up to 42V for enhanced-grade and up to 18V for high and standard grades.
- What is the output current capability of the REF5025IDR?
The output current capability is ±10mA.
- What are the operating temperature ranges for the REF5025IDR?
The operating temperature range is -40°C to 125°C.
- In what packages is the REF5025IDR available?
The REF5025IDR is available in 8-pin SOIC (D) and VSSOP (DGK) packages.
- What are some typical applications for the REF5025IDR?
Typical applications include high-precision data acquisition systems, precision instrumentation, and battery-powered devices.
- Does the REF5025IDR support direct connection to a battery or field supply?
