Overview
The REF5025ID, produced by Texas Instruments, is part of the REF50xx family of low-noise, low-drift, very high precision voltage references. These devices are capable of both sinking and sourcing current and offer excellent line and load regulation. The REF5025ID is particularly suited for high-precision data acquisition systems due to its excellent temperature drift and high accuracy, achieved through proprietary design techniques. The device is available in enhanced, high, and standard grades, and it supports a wide operating temperature range from -40°C to 125°C.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Output Voltage | 2.5V | |
| Accuracy (Maximum) | Enhanced-grade: 0.025%, High-grade: 0.05%, Standard-grade: 0.1% | |
| Temperature Drift (Maximum) | Enhanced-grade: 2.5ppm/°C, High-grade: 3ppm/°C, Standard-grade: 8ppm/°C | |
| Noise | Enhanced-grade: 0.5µVPP/V, High/Standard-grade: 3µVPP/V | |
| Input Voltage Range | Enhanced-grade: 42V, High/Standard-grade: 18V | |
| Output Current | ±10mA | |
| Operating Temperature Range | -40°C to 125°C | |
| Package Type | 8-pin SOIC, 8-pin VSSOP | |
| Long-term Stability | 22ppm after first 1000 hours (SOIC-8), 50ppm after first 1000 hours (VSSOP-8) |
Key Features
- Low temperature drift and high accuracy, making it suitable for high-precision applications.
- Low noise: Enhanced-grade has 0.5µVPP/V, while High/Standard-grade has 3µVPP/V.
- Excellent long-term stability with minimal drift over time.
- Wide input voltage support: Enhanced-grade up to 42V, High/Standard-grade up to 18V.
- High-output current capability of ±10mA.
- Excellent line and load regulation.
- Ultra-low quiescent current (IQ) of 280µA for Enhanced-grade.
- Available in enhanced, high, and standard grades to meet various application requirements.
Applications
- High-precision data acquisition systems.
- Industrial control systems requiring stable voltage references.
- Aerospace and defense applications where high accuracy and stability are crucial.
- Medical devices that require precise voltage references.
- Automotive systems needing reliable and stable voltage references.
Q & A
- What is the output voltage of the REF5025ID?
The output voltage of the REF5025ID is 2.5V.
- What are the different grades available for the REF5025ID?
The REF5025ID is available in enhanced, high, and standard grades.
- What is the temperature drift of the REF5025ID in enhanced grade?
The temperature drift of the REF5025ID in enhanced grade is 2.5ppm/°C.
- What is the maximum output current of the REF5025ID?
The maximum output current of the REF5025ID is ±10mA.
- What is the operating temperature range of the REF5025ID?
The operating temperature range of the REF5025ID is -40°C to 125°C.
- What are the package types available for the REF5025ID?
The REF5025ID is available in 8-pin SOIC and 8-pin VSSOP packages.
- What is the long-term stability of the REF5025ID?
The long-term stability of the REF5025ID is 22ppm after the first 1000 hours for SOIC-8 and 50ppm for VSSOP-8.
- What is the quiescent current (IQ) of the REF5025ID in enhanced grade?
The quiescent current (IQ) of the REF5025ID in enhanced grade is 280µA.
- What are some typical applications of the REF5025ID?
The REF5025ID is typically used in high-precision data acquisition systems, industrial control systems, aerospace and defense applications, medical devices, and automotive systems.
- How does the REF5025ID handle line and load regulation?
The REF5025ID has excellent line and load regulation, ensuring stable output voltage under varying input and load conditions.
