Overview
The REF5040ID is a high-precision voltage reference from Texas Instruments, part of 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 REF5040ID is capable of both sinking and sourcing current and features excellent line and load regulation. It is available in various grades, including enhanced, high, and standard grades, each offering different levels of precision and temperature stability.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Output Voltage | 4.096V |
| Output Current | ±10mA |
| Tolerance | ±0.05% (High-grade) |
| Temperature Coefficient | 2.5ppm/°C (Enhanced-grade), 3ppm/°C (High-grade), 8ppm/°C (Standard-grade) |
| Noise (0.1Hz to 10Hz) | 0.5µVp-p (Enhanced-grade), 3µVp-p (High/Standard-grade) |
| Input Voltage | 4.296 V ~ 18 V (High/Standard-grade), 42V (Enhanced-grade) |
| Supply Current | 1.2mA |
| Operating Temperature | -40°C to 125°C |
| Mounting Type | Surface Mount |
Key Features
- Low temperature drift: 2.5ppm/°C (Enhanced-grade), 3ppm/°C (High-grade), 8ppm/°C (Standard-grade).
- High accuracy: 0.025% (Enhanced-grade), 0.05% (High-grade), 0.1% (Standard-grade).
- Low noise: 0.5µVp-p (Enhanced-grade), 3µVp-p (High/Standard-grade).
- Excellent long-term stability: 22ppm after first 1000 hours (SOIC-8), 50ppm after first 1000 hours (VSSOP-8).
- Wide input voltage support: Up to 42V for Enhanced-grade, up to 18V for High/Standard-grade.
- High-output current: ±10mA.
Applications
The REF5040ID is ideal for use in high-precision data acquisition systems, precision measurement instruments, and any application requiring stable and accurate voltage references. Its low noise and drift characteristics make it suitable for applications in industrial, medical, and aerospace sectors where high precision is critical.
Q & A
- What is the output voltage of the REF5040ID?
The output voltage of the REF5040ID is 4.096V. - What are the different grades available for the REF5040ID?
The REF5040ID is available in enhanced, high, and standard grades, each offering different levels of precision and temperature stability. - What is the operating temperature range of the REF5040ID?
The operating temperature range is -40°C to 125°C. - What is the maximum output current of the REF5040ID?
The maximum output current is ±10mA. - What is the typical supply current of the REF5040ID?
The typical supply current is 1.2mA. - What are the key features of the REF5040ID in terms of noise and drift?
The REF5040ID features low noise (0.5µVp-p for Enhanced-grade, 3µVp-p for High/Standard-grade) and low temperature drift (2.5ppm/°C for Enhanced-grade, 3ppm/°C for High-grade, 8ppm/°C for Standard-grade). - What is the package type of the REF5040ID?
The package type is 8-SOIC (0.154", 3.90mm Width). - What are the typical applications of the REF5040ID?
The REF5040ID is used in high-precision data acquisition systems, precision measurement instruments, and other applications requiring stable and accurate voltage references. - How does the REF5040ID handle long-term stability?
The REF5040ID exhibits excellent long-term stability with 22ppm after the first 1000 hours for SOIC-8 and 50ppm for VSSOP-8. - What is the maximum input voltage for the Enhanced-grade REF5040ID?
The maximum input voltage for the Enhanced-grade REF5040ID is 42V.
