Overview
The REF5050ID is a precision voltage reference IC produced by Texas Instruments. It is part of the REF50xx family, known for its low noise, low drift, and high precision. This component is designed to provide a stable voltage reference, making it suitable for high-precision applications. The REF5050ID is available in an 8-pin SOIC package and operates over a temperature range of -40°C to 125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Voltage | 5 | V |
| Package Type | SOIC | - |
| Reference Type | Fixed | - |
| Initial Accuracy (High Grade) | ±0.05% | - |
| Initial Accuracy (Standard Grade) | ±0.1% | - |
| Temperature Drift (High Grade) | 3 ppm/°C | - |
| Temperature Drift (Standard Grade) | 8 ppm/°C | - |
| Noise (High/Standard Grade) | 3 µVPP/V | - |
| Noise (Enhanced Grade) | 0.5 µVPP/V | - |
| Maximum Output Current | ±10 mA | - |
| Maximum Input Voltage (High/Standard Grade) | 18 V | - |
| Maximum Input Voltage (Enhanced Grade) | 42 V | - |
| Line Regulation | 1 ppm/V | - |
| Load Regulation | 30 ppm/mA | - |
| Operating Temperature Range | -40°C to 125°C | - |
Key Features
- Low Temperature Drift: The REF5050ID features low temperature drift, with 3 ppm/°C for high-grade and 8 ppm/°C for standard-grade models.
- High Accuracy: It offers high accuracy, with ±0.05% for high-grade and ±0.1% for standard-grade models.
- Low Noise: The component has low noise characteristics, with 3 µVPP/V for high and standard grades, and 0.5 µVPP/V for enhanced grades.
- Excellent Long-Term Stability: It exhibits excellent long-term stability, with 22 ppm after the first 1000 hours for SOIC-8 packages and 50 ppm for VSSOP-8 packages.
- High-Output Current: The REF5050ID can source and sink up to ±10 mA of current.
- Wide Input Voltage Support: It supports a wide input voltage range, up to 18 V for high and standard grades, and up to 42 V for enhanced grades.
- Excellent Line and Load Regulation: The component has excellent line and load regulation, ensuring stable output voltage across various operating conditions.
Applications
- Precision Data Acquisition Systems: Ideal for high-precision data acquisition due to its low noise and drift characteristics.
- Semiconductor Test Equipment: Used in testing and calibration of semiconductor devices.
- Industrial Process Controls: Suitable for industrial control systems requiring precise voltage references.
- Medical Instrumentation: Applied in medical devices that demand high precision and stability.
- Pressure and Temperature Transmitters: Used in sensors and transmitters for precise measurement.
- Lab and Field Instrumentation: Ideal for laboratory and field instruments requiring stable voltage references.
Q & A
- What is the nominal voltage of the REF5050ID?
The nominal voltage of the REF5050ID is 5 V.
- What is the temperature drift of the high-grade REF5050ID?
The temperature drift of the high-grade REF5050ID is 3 ppm/°C.
- What is the maximum output current of the REF5050ID?
The maximum output current of the REF5050ID is ±10 mA.
- What is the operating temperature range of the REF5050ID?
The operating temperature range of the REF5050ID is -40°C to 125°C.
- What are the key applications of the REF5050ID?
The REF5050ID is used in precision data acquisition systems, semiconductor test equipment, industrial process controls, medical instrumentation, pressure and temperature transmitters, and lab and field instrumentation.
- What is the noise level of the high-grade REF5050ID?
The noise level of the high-grade REF5050ID is 3 µVPP/V, while the enhanced grade has 0.5 µVPP/V.
- What is the line regulation of the REF5050ID?
The line regulation of the REF5050ID is 1 ppm/V.
- What is the load regulation of the REF5050ID?
The load regulation of the REF5050ID is 30 ppm/mA.
- What package types are available for the REF5050ID?
The REF5050ID is available in 8-pin SOIC and VSSOP packages.
- What is the maximum input voltage for the high-grade REF5050ID?
The maximum input voltage for the high-grade REF5050ID is 18 V, while the enhanced grade supports up to 42 V.
