Overview
The REF2933AIDBZT is a precision voltage reference component manufactured by Texas Instruments. Designed for applications requiring stable and accurate voltage references, this product belongs to the voltage reference IC category. It is specifically tailored for use in industrial, automotive, and consumer electronics applications where precision and reliability are critical. The REF2933AIDBZT stands out for its low dropout voltage, high accuracy, and low temperature coefficient, making it a competitive choice for designers seeking robust performance in demanding environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 3.3 | V | Fixed |
| Initial Accuracy | ±0.2 | % | Maximum |
| Temperature Coefficient | 50 | ppm/°C | Typical |
| Dropout Voltage | 200 | mV | Maximum |
| Output Current | 5 | mA | Maximum |
| Operating Temperature Range | -40 to +125 | °C | |
| Package | SOT-23 | DBZ | |
| Supply Voltage Range | 2.7 to 5.5 | V | |
| Quiescent Current | 75 | µA | Typical |
| Long-Term Stability | 50 | ppm/1000h | Typical |
Key Features
- High Accuracy: Provides a precise 3.3V output with an initial accuracy of ±0.2%.
- Low Dropout Voltage: Operates efficiently with a dropout voltage as low as 200mV.
- Low Temperature Coefficient: Ensures stable performance across a wide temperature range with a typical coefficient of 50ppm/°C.
- Low Quiescent Current: Consumes only 75µA typical, making it suitable for battery-powered applications.
- Robust Packaging: Available in a compact SOT-23 package, ideal for space-constrained designs.
Applications
The REF2933AIDBZT is widely used in applications requiring precise voltage references. Key application areas include:
- Industrial Automation: Provides stable voltage references for sensors, controllers, and measurement systems.
- Automotive Electronics: Ensures reliable performance in automotive control units, infotainment systems, and sensors.
- Consumer Electronics: Suitable for portable devices, wearables, and other battery-powered electronics.
- Medical Devices: Offers accurate voltage references for diagnostic and monitoring equipment.
Q & A
1. What is the output voltage of the REF2933AIDBZT?
The output voltage is fixed at 3.3V.
2. What is the initial accuracy of this voltage reference?
The initial accuracy is ±0.2%.
3. What is the typical temperature coefficient?
The typical temperature coefficient is 50ppm/°C.
4. What is the maximum dropout voltage?
The maximum dropout voltage is 200mV.
5. What is the maximum output current?
The maximum output current is 5mA.
6. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
7. What package does the REF2933AIDBZT come in?
It is available in a SOT-23 package.
8. What is the typical quiescent current?
The typical quiescent current is 75µA.
9. Is this component suitable for battery-powered applications?
Yes, its low quiescent current makes it ideal for battery-powered devices.
10. What are the typical applications of the REF2933AIDBZT?
Typical applications include industrial automation, automotive electronics, consumer electronics, and medical devices.
