Overview
The REF5025SHKQ, produced by Texas Instruments, is a high-precision voltage reference from the REF50xx family. This device is known for its low noise, very low drift, and high accuracy, making it suitable for applications requiring precise voltage references. The REF5025SHKQ is capable of both sinking and sourcing current and features excellent line and load regulation. It is designed using proprietary techniques to achieve excellent temperature drift and high accuracy, which are crucial for high-precision data acquisition systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 2.5 | V |
| Initial Accuracy (High Grade) | ±0.05% | % |
| Initial Accuracy (Standard Grade) | ±0.1% | % |
| Temperature Drift (High Grade) | 3 ppm/°C | ppm/°C |
| Temperature Drift (Standard Grade) | 8 ppm/°C | ppm/°C |
| Noise (High/Standard Grade) | 3 µVPP/V | µVPP/V |
| Long-term Stability (Typical) | 22 ppm after 1000 hours (SOIC-8) | ppm |
| Input Voltage Range | VIN = (VOUT + 0.2) to 18 V | V |
| Output Current | ±10 mA | mA |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package Type | HKQ (8-pin SOIC) |
Key Features
- Low noise: 3 µVPP/V, making it suitable for high-precision applications.
- Very low drift: High-grade options offer 3 ppm/°C, while standard-grade options offer 8 ppm/°C.
- High accuracy: Initial accuracy of ±0.05% for high-grade and ±0.1% for standard-grade.
- Excellent long-term stability: 22 ppm after the first 1000 hours for SOIC-8 packages.
- High-output current: Capable of sourcing and sinking up to ±10 mA.
- Wide input voltage support: VIN = (VOUT + 0.2) to 18 V.
- Robust line and load regulation.
- Available in HKQ (8-pin SOIC) package.
Applications
- Precision data acquisition systems.
- Semiconductor test equipment.
- Industrial process controls.
- Medical instrumentation.
- Pressure and temperature transmitters.
- Lab and field instrumentation.
Q & A
- What is the output voltage of the REF5025SHKQ?
The output voltage of the REF5025SHKQ is 2.5 V.
- What are the initial accuracy specifications for the REF5025SHKQ?
The initial accuracy is ±0.05% for high-grade and ±0.1% for standard-grade options.
- What is the temperature drift of the REF5025SHKQ?
The temperature drift is 3 ppm/°C for high-grade and 8 ppm/°C for standard-grade options.
- What is the noise level of the REF5025SHKQ?
The noise level is 3 µVPP/V.
- What is the operating temperature range of the REF5025SHKQ?
The operating temperature range is -40°C to 125°C.
- What is the maximum output current of the REF5025SHKQ?
The maximum output current is ±10 mA.
- In what package types is the REF5025SHKQ available?
The REF5025SHKQ is available in HKQ (8-pin SOIC) package.
- What are some typical applications of the REF5025SHKQ?
Typical applications include precision data acquisition systems, semiconductor test equipment, industrial process controls, medical instrumentation, and lab and field instrumentation.
- How does the REF5025SHKQ perform in terms of long-term stability?
The REF5025SHKQ has excellent long-term stability, with 22 ppm after the first 1000 hours for SOIC-8 packages.
- What is the input voltage range for the REF5025SHKQ?
The input voltage range is VIN = (VOUT + 0.2) to 18 V.
