Overview
The REF5025SKGD1, 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 high accuracy and stability, making them suitable for a wide range of precision applications. The REF5025SKGD1 is capable of both sinking and sourcing current and features excellent line and load regulation, ensuring robust performance under various operating conditions.
Key Specifications
| Parameter | Unit | Enhanced-Grade | High-Grade | Standard-Grade |
|---|---|---|---|---|
| Temperature Drift (Maximum) | ppm/°C | 2.5 | 3 | 8 |
| Accuracy (Maximum) | % | 0.025% | 0.05% | 0.1% |
| Noise (Maximum) | µVPP/V | 0.5 | 3 | 3 |
| Long-term Stability | ppm | 22 ppm after 1000 hours (SOIC-8) | 50 ppm after 1000 hours (VSSOP-8) | 50 ppm after 1000 hours (VSSOP-8) |
| Input Voltage Range | V | 42V | 18V | 18V |
| Output Current | mA | ±10mA | ±10mA | ±10mA |
| Operating Temperature Range | °C | -40°C to 125°C | -40°C to 125°C | -40°C to 125°C |
Key Features
- Low temperature drift: 2.5 ppm/°C (Enhanced-Grade), 3 ppm/°C (High-Grade), and 8 ppm/°C (Standard-Grade)
- High accuracy: 0.025% (Enhanced-Grade), 0.05% (High-Grade), and 0.1% (Standard-Grade)
- Low noise: 0.5 µVPP/V (Enhanced-Grade) and 3 µVPP/V (High/Standard-Grade)
- Excellent long-term stability: 22 ppm after first 1000 hours (SOIC-8) and 50 ppm after first 1000 hours (VSSOP-8)
- Wide input voltage support: up to 42V for Enhanced-Grade and up to 18V for High/Standard-Grade
- High-output current capability: ±10mA
- Temperature range: -40°C to 125°C
- Capable of both sinking and sourcing current
Applications
- 16-Bit Data Acquisition Systems
- ATE Equipment
- Industrial Process Control
- Medical Instrumentation
- Optical Control Systems
- Precision Instrumentation
Q & A
- What is the REF5025SKGD1 used for?
The REF5025SKGD1 is used as a high-precision voltage reference in various applications requiring low noise and low drift, such as data acquisition systems, industrial process control, and medical instrumentation.
- What are the different grades of the REF5025?
The REF5025 is available in Enhanced-Grade, High-Grade, and Standard-Grade, each with different specifications for temperature drift, accuracy, and noise.
- What is the temperature drift of the Enhanced-Grade REF5025?
The Enhanced-Grade REF5025 has a maximum temperature drift of 2.5 ppm/°C.
- What is the maximum output current of the REF5025?
The REF5025 can source or sink up to ±10mA of current.
- What is the operating temperature range of the REF5025?
The operating temperature range of the REF5025 is -40°C to 125°C.
- What are the typical applications of the REF5025?
The REF5025 is typically used in 16-Bit Data Acquisition Systems, ATE Equipment, Industrial Process Control, Medical Instrumentation, Optical Control Systems, and Precision Instrumentation.
- How does the REF5025 handle long-term stability?
The REF5025 exhibits excellent long-term stability with a drift of 22 ppm after the first 1000 hours for SOIC-8 packages and 50 ppm for VSSOP-8 packages.
- What is the input voltage range for the Enhanced-Grade REF5025?
The Enhanced-Grade REF5025 supports an input voltage range up to 42V, while the High and Standard grades support up to 18V.
- Is the REF5025 capable of both sinking and sourcing current?
Yes, the REF5025 is capable of both sinking and sourcing current.
- What are the noise specifications for the REF5025?
The Enhanced-Grade REF5025 has a noise specification of 0.5 µVPP/V, while the High and Standard grades have a noise specification of 3 µVPP/V.
- What packages are available for the REF5025-HT?
The REF5025-HT is available in CFP (HKJ and HKQ) packages, as well as Known-Good-Die (KGD) form.
