Overview
The REF5025MDTEP from Texas Instruments is a high-precision, low-noise voltage reference IC designed for applications requiring stable and accurate voltage outputs. This device is part of the REF50xx family, known for its very low drift and robust performance under various operating conditions. The REF5025MDTEP is specified from –55°C to 125°C, making it suitable for a wide range of industrial, medical, and precision instrumentation applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage (VOUT) | 2.5 | V |
| Initial Accuracy | ±0.05% | % |
| Output Voltage Noise (f = 0.1 Hz to 10 Hz) | 7.5 | μVPP |
| Temperature Drift | 4 to 6.5 | ppm/°C |
| Line Regulation | 0.1 to 1 | ppm/V |
| Load Regulation | 30 ppm/mA | ppm/mA |
| Output Current | ±10 | mA |
| Supply Voltage Range | 2.7 to 18 | V |
| Package Type | SOIC-8 | |
| Operating Temperature Range | –55 to 125 | °C |
| Thermal Resistance (θJA) | 97.1 | °C/W |
Key Features
- High Precision: The REF5025MDTEP offers high output voltage accuracy with an initial accuracy of ±0.05% and a temperature drift of 4 to 6.5 ppm/°C.
- Low Noise: It features very low output voltage noise, making it ideal for high-precision data acquisition systems.
- High Output Current: The device can source and sink up to ±10 mA, enhancing its versatility in various applications.
- Robust Performance: It exhibits excellent line and load regulation, ensuring stable output voltage under different operating conditions.
- Temperature Monitoring: The device includes a temperature output terminal (TEMP) that provides a temperature-dependent voltage output.
- Extended Temperature Range: Specified from –55°C to 125°C, making it suitable for harsh environmental conditions.
Applications
- 16-Bit Data Acquisition Systems: Ideal for high-precision data acquisition due to its low noise and high accuracy.
- ATE Equipment: Suitable for automated test equipment requiring stable voltage references.
- Industrial Process Control: Used in industrial control systems where precision and stability are crucial.
- Medical Instrumentation: Applied in medical devices that require high accuracy and low noise voltage references.
- Precision Instrumentation: Used in various precision instrumentation applications such as optical control systems.
Q & A
- What is the output voltage of the REF5025MDTEP?
The output voltage of the REF5025MDTEP is 2.5 V. - What is the initial accuracy of the REF5025MDTEP?
The initial accuracy is ±0.05%. - What is the temperature drift of the REF5025MDTEP?
The temperature drift is 4 to 6.5 ppm/°C. - What is the maximum output current of the REF5025MDTEP?
The device can source and sink up to ±10 mA. - What is the operating temperature range of the REF5025MDTEP?
The operating temperature range is –55°C to 125°C. - What type of package does the REF5025MDTEP come in?
The REF5025MDTEP comes in an SOIC-8 package. - What is the thermal resistance (θJA) of the REF5025MDTEP?
The thermal resistance (θJA) is 97.1 °C/W. - Does the REF5025MDTEP have a temperature monitoring feature?
Yes, it includes a temperature output terminal (TEMP) that provides a temperature-dependent voltage output. - What are some typical applications of the REF5025MDTEP?
Typical applications include 16-bit data acquisition systems, ATE equipment, industrial process control, medical instrumentation, and precision instrumentation. - What is the minimum supply voltage required for the REF5025MDTEP?
The minimum supply voltage is 2.7 V for VOUT ≤ 2.5 V.
