Overview
The REF2940AIDBZR is a precision voltage reference component manufactured by Texas Instruments. It is designed to provide a stable and accurate 4.096V output, making it ideal for applications requiring precise voltage regulation. This component is part of the REF29xx series, known for its low power consumption and high accuracy. The REF2940AIDBZR is housed in a compact SOT-23-3 package, making it suitable for space-constrained designs. Its target user groups include engineers and designers working on portable electronics, industrial control systems, and precision measurement equipment.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 4.096 | V | Fixed |
| Tolerance | ±2% | ||
| Temperature Coefficient | 100 | ppm/°C | |
| Input Voltage | 4.097 - 5.5 | V | |
| Quiescent Current | 50 | µA | |
| Output Current | 25 | mA | |
| Operating Temperature | -40 - 125 | °C | |
| Package | SOT-23-3 |
Key Features
- Precision voltage reference with a fixed 4.096V output.
- Low quiescent current of 50µA, ideal for battery-powered applications.
- Compact SOT-23-3 package for space-constrained designs.
- Wide operating temperature range from -40°C to 125°C.
- High accuracy with a tolerance of ±2% and low temperature coefficient of 100ppm/°C.
Applications
The REF2940AIDBZR is widely used in various applications, including portable electronics, industrial control systems, and precision measurement equipment. Its stable output voltage and low power consumption make it suitable for battery-powered devices such as handheld meters and sensors. In industrial settings, it is used in control systems and data acquisition modules where precise voltage regulation is critical. Additionally, it is employed in medical devices and automotive electronics for its reliability and accuracy.
Q & A
1. What is the output voltage of the REF2940AIDBZR?
The output voltage is fixed at 4.096V.
2. What is the operating temperature range?
It operates from -40°C to 125°C.
3. What is the package type?
It comes in a SOT-23-3 package.
4. What is the quiescent current?
The quiescent current is 50µA.
5. What is the tolerance of the output voltage?
The tolerance is ±2%.
6. Can it be used in battery-powered devices?
Yes, its low quiescent current makes it ideal for battery-powered applications.
7. What is the temperature coefficient?
The temperature coefficient is 100ppm/°C.
8. What is the maximum output current?
The maximum output current is 25mA.
9. Is it suitable for industrial applications?
Yes, it is widely used in industrial control systems and precision measurement equipment.
10. Does it require an external capacitor?
No, it does not require an external capacitor for stability.
