Overview
The REF5030IDGKR, produced by Texas Instruments, is a high-precision voltage reference component that belongs to the REF50xx family. This device is renowned for its low noise, low drift, and high accuracy, making it an excellent choice for high-precision data acquisition systems. The REF5030IDGKR is available in various grades, including enhanced, high, and standard grades, each offering different levels of precision and performance. It is capable of both sinking and sourcing current and features excellent line and load regulation. The device is packaged in 8-pin SOIC and VSSOP formats and operates over a temperature range of -40°C to 125°C.
Key Specifications
| Parameter | Enhanced Grade | High Grade | Standard Grade |
|---|---|---|---|
| Temperature Drift (maximum) | 2.5 ppm/°C | 3 ppm/°C | 8 ppm/°C |
| High Accuracy (maximum) | 0.025% | 0.05% | 0.1% |
| Low Noise | 0.5 µVPP/V | 3 µVPP/V | 3 µVPP/V |
| Long-term Stability | 22 ppm after first 1000 hours (SOIC-8) | 50 ppm after first 1000 hours (VSSOP-8) | 50 ppm after first 1000 hours (VSSOP-8) |
| Input Voltage Support | Up to 42 V | Up to 18 V | Up to 18 V |
| Output Current | ±10 mA | ±10 mA | ±10 mA |
| Temperature Range | -40°C to 125°C | -40°C to 125°C | -40°C to 125°C |
| Package | 8-pin SOIC, VSSOP | 8-pin SOIC, VSSOP | 8-pin SOIC, VSSOP |
Key Features
- Low Temperature Drift: Excellent temperature drift as low as 2.5 ppm/°C for enhanced grade, ensuring high stability over a wide temperature range.
- High Accuracy: High accuracy with a maximum deviation of 0.025% for enhanced grade, making it suitable for precise applications.
- Low Noise: Very low noise levels, with 0.5 µVPP/V for enhanced grade, which is crucial for high-precision data acquisition systems.
- Excellent Long-term Stability: Long-term stability with drift as low as 22 ppm after the first 1000 hours for SOIC packages.
- High Output Current: Capable of sourcing and sinking up to ±10 mA of current.
- Wide Input Voltage Support: Supports input voltages up to 42 V for enhanced grade, allowing direct connection to battery or field supply.
- Excellent Line and Load Regulation: Maintains stable output voltage under varying input and load conditions.
Applications
- Precision Data Acquisition Systems: Ideal for high-precision measurement and data acquisition due to its low noise and high accuracy.
- Semiconductor Test Equipment: Used in testing and calibration of semiconductor devices requiring precise voltage references.
- Industrial Process Controls: Suitable for industrial automation and process control systems that demand high precision and stability.
- Medical Instrumentation: Applied in medical devices where accurate and stable voltage references are critical.
- Pressure and Temperature Transmitters: Used in sensors and transmitters for precise measurement of physical parameters.
- Lab and Field Instrumentation: Utilized in laboratory and field instruments requiring high precision and reliability.
Q & A
- What are the key grades available for the REF5030IDGKR?
The REF5030IDGKR is available in enhanced, high, and standard grades, each offering different levels of precision and performance.
- What is the maximum temperature drift for the enhanced grade of REF5030IDGKR?
The maximum temperature drift for the enhanced grade is 2.5 ppm/°C.
- What is the noise level for the enhanced grade of REF5030IDGKR?
The noise level for the enhanced grade is 0.5 µVPP/V.
- What is the maximum output current of the REF5030IDGKR?
The REF5030IDGKR can source and sink up to ±10 mA of current.
- What are the supported package types for the REF5030IDGKR?
The device is available in 8-pin SOIC and VSSOP packages.
- What is the operating temperature range of the REF5030IDGKR?
The operating temperature range is -40°C to 125°C.
- What are some typical applications of the REF5030IDGKR?
Typical applications include precision data acquisition systems, semiconductor test equipment, industrial process controls, medical instrumentation, and lab and field instrumentation.
- How does the REF5030IDGKR ensure long-term stability?
The device ensures long-term stability with drift as low as 22 ppm after the first 1000 hours for SOIC packages.
- Can the REF5030IDGKR be directly connected to a battery or field supply?
Yes, the enhanced grade supports input voltages up to 42 V, allowing direct connection to battery or field supply.
- What is the line regulation of the REF5030IDGKR?
The line regulation is 0.1 ppm/V to 1 ppm/V over the specified input voltage range.
