Overview
The REF5025IDGKT is a precision voltage reference from Texas Instruments, part of the REF50xx family. This device is known for its low noise, low drift, and high precision, making it an excellent choice for high-precision data acquisition systems. The REF5025IDGKT is available in an 8-pin VSSOP (DGK) package and operates over a temperature range of -40°C to 125°C. It is capable of both sinking and sourcing current and features excellent line and load regulation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 2.5 | V |
| Temperature Drift (Maximum) | Enhanced-grade: 2.5ppm/°C, High-grade: 3ppm/°C, Standard-grade: 8ppm/°C | ppm/°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 | µVPP/V |
| Long-term Stability | 22ppm after first 1000 hours (SOIC-8), 50ppm after first 1000 hours (VSSOP-8) | ppm |
| Input Voltage Range | Enhanced-grade: 42V, High/Standard-grade: 18V | V |
| Output Current | ±10mA | mA |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package Type | VSSOP (DGK) | |
| Pins | 8 |
Key Features
- Low temperature drift: Enhanced-grade (2.5ppm/°C), High-grade (3ppm/°C), Standard-grade (8ppm/°C)
- High accuracy: Enhanced-grade (0.025%), High-grade (0.05%), Standard-grade (0.1%)
- Low noise: Enhanced-grade (0.5µVPP/V), High/Standard-grade (3µVPP/V)
- Excellent long-term stability: 22ppm after first 1000 hours (SOIC-8), 50ppm after first 1000 hours (VSSOP-8)
- Wide input voltage support: Enhanced-grade (42V), High/Standard-grade (18V)
- High-output current: ±10mA
- Excellent line and load regulation
- Capable of both sinking and sourcing current
Applications
The REF5025IDGKT 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 industrial control systems, medical devices, and other applications where low noise and high precision are critical.
Q & A
- What is the output voltage of the REF5025IDGKT?
The output voltage of the REF5025IDGKT is 2.5V.
- What are the temperature drift specifications for the REF5025IDGKT?
The temperature drift is 2.5ppm/°C for the enhanced grade, 3ppm/°C for the high grade, and 8ppm/°C for the standard grade.
- What is the accuracy of the REF5025IDGKT?
The accuracy is 0.025% for the enhanced grade, 0.05% for the high grade, and 0.1% for the standard grade.
- What is the noise level of the REF5025IDGKT?
The noise level is 0.5µVPP/V for the enhanced grade and 3µVPP/V for the high and standard grades.
- What is the long-term stability of the REF5025IDGKT?
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 REF5025IDGKT?
The input voltage range is 42V for the enhanced grade and 18V for the high and standard grades.
- What is the output current capability of the REF5025IDGKT?
The output current capability is ±10mA.
- What is the operating temperature range of the REF5025IDGKT?
The operating temperature range is -40°C to 125°C.
- In what package types is the REF5025IDGKT available?
The REF5025IDGKT is available in an 8-pin VSSOP (DGK) package.
- Can the REF5025IDGKT both sink and source current?
Yes, the REF5025IDGKT is capable of both sinking and sourcing current.
- What are some typical applications for the REF5025IDGKT?
The REF5025IDGKT is typically used in high-precision data acquisition systems, precision instrumentation, industrial control systems, and medical devices.
