Overview
The REF5040IDGKR, produced by Texas Instruments, is a high-precision voltage reference component that belongs to the REF50xx family. This device is renowned for its ultra-low noise, very low drift, and high accuracy, making it an excellent choice for high-precision data acquisition systems and other applications requiring stable voltage references.
The REF5040IDGKR is available in an 8-pin VSSOP package and is specified to operate over a temperature range of -40°C to 125°C. It supports a wide input voltage range and offers high output current, making it versatile for various industrial and commercial applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Initial Accuracy (Maximum) | 0.05% | % |
| Temperature Drift (Maximum) | 3 ppm/°C | ppm/°C |
| Noise (Typical, 0.1-10Hz) | 3 µVpp/V | µVpp/V |
| Output Voltage | 4.096 V | V |
| Input Voltage Range | 4.296 V to 18 V | V |
| Output Current (Maximum) | ±10 mA | mA |
| Quiescent Current (Typical) | 800 µA | µA |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package Type | 8-pin VSSOP |
Key Features
- High Accuracy: The REF5040IDGKR offers high accuracy with a maximum initial accuracy of 0.05%.
- Low Temperature Drift: It features a low temperature drift of 3 ppm/°C, ensuring stable performance across a wide temperature range.
- Low Noise: The device has very low noise, with a typical noise of 3 µVpp/V in the 0.1-10Hz frequency range.
- High Output Current: It can source and sink up to ±10 mA of current, making it suitable for a variety of applications.
- Wide Input Voltage Range: The REF5040IDGKR supports an input voltage range from 4.296 V to 18 V.
- Excellent Long-term Stability: The device exhibits excellent long-term stability, with drift specifications of 22 ppm after the first 1000 hours for SOIC packages and 50 ppm for VSSOP packages.
Applications
The REF5040IDGKR is ideal for use in high-precision data acquisition systems, precision instrumentation, medical devices, industrial control systems, and any application requiring a stable and accurate voltage reference.
Its low noise and drift characteristics make it particularly suitable for analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other precision analog circuits.
Q & A
- What is the typical noise of the REF5040IDGKR?
The typical noise of the REF5040IDGKR is 3 µVpp/V in the 0.1-10Hz frequency range.
- What is the maximum temperature drift of the REF5040IDGKR?
The maximum temperature drift of the REF5040IDGKR is 3 ppm/°C.
- What is the output voltage of the REF5040IDGKR?
The output voltage of the REF5040IDGKR is 4.096 V.
- What is the operating temperature range of the REF5040IDGKR?
The operating temperature range of the REF5040IDGKR is -40°C to 125°C.
- What is the maximum output current of the REF5040IDGKR?
The REF5040IDGKR can source and sink up to ±10 mA of current.
- What package types are available for the REF5040IDGKR?
The REF5040IDGKR is available in an 8-pin VSSOP package.
- What is the quiescent current of the REF5040IDGKR?
The typical quiescent current of the REF5040IDGKR is 800 µA.
- Is the REF5040IDGKR suitable for high-precision data acquisition systems?
Yes, the REF5040IDGKR is highly suitable for high-precision data acquisition systems due to its low noise, low drift, and high accuracy.
- Can the REF5040IDGKR be used in medical devices?
Yes, the REF5040IDGKR can be used in medical devices where high precision and stability are required.
- What is the input voltage range for the REF5040IDGKR?
The input voltage range for the REF5040IDGKR is from 4.296 V to 18 V.
