Overview
The REF3333AIDCKR is a precision voltage reference IC manufactured by Texas Instruments. It belongs to the category of voltage references, designed to provide a stable and accurate output voltage for various electronic systems. This model is particularly suited for applications requiring high precision and low power consumption. Its compact package and robust performance make it ideal for portable and space-constrained designs. The REF3333AIDCKR is targeted at engineers and designers working in industries such as industrial automation, medical devices, and consumer electronics, where reliable voltage references are critical.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 3.3 | V | ±0.05% initial accuracy |
| Temperature Coefficient | 8 | ppm/°C | Typical |
| Operating Temperature Range | -40 to 125 | °C | |
| Supply Voltage Range | 1.8 to 5.5 | V | |
| Quiescent Current | 75 | µA | Typical |
| Package | SC-70 (DCK) | 5-pin | |
| Output Current | 10 | mA | Maximum |
| Long-Term Stability | 50 | ppm/1000hrs | Typical |
Key Features
- High Precision: Offers an initial accuracy of ±0.05%, ensuring reliable performance in precision applications.
- Low Power Consumption: Quiescent current of 75 µA makes it suitable for battery-powered devices.
- Wide Operating Temperature Range: Operates reliably from -40°C to 125°C, suitable for harsh environments.
- Compact Package: SC-70 package minimizes board space, ideal for portable designs.
- Low Noise: Provides a stable output with minimal noise, enhancing system performance.
Applications
The REF3333AIDCKR is widely used in applications requiring precise voltage references. It is commonly employed in:
- Industrial Automation: Used in control systems and sensors to ensure accurate measurements.
- Medical Devices: Provides stable voltage for diagnostic equipment and patient monitoring systems.
- Consumer Electronics: Enhances the performance of portable devices such as smartphones and wearables.
- Automotive Electronics: Ensures reliable operation of infotainment systems and advanced driver-assistance systems (ADAS).
Q & A
1. What is the output voltage of the REF3333AIDCKR?
The output voltage is 3.3 V with an initial accuracy of ±0.05%.
2. What is the operating temperature range of this IC?
It operates from -40°C to 125°C.
3. What is the typical quiescent current?
The typical quiescent current is 75 µA.
4. What package does the REF3333AIDCKR come in?
It is available in a 5-pin SC-70 (DCK) package.
5. Can this IC be used in battery-powered devices?
Yes, its low quiescent current makes it suitable for battery-powered applications.
6. What is the maximum output current?
The maximum output current is 10 mA.
7. How does the REF3333AIDCKR perform in terms of long-term stability?
It has a typical long-term stability of 50 ppm/1000 hours.
8. Is this IC suitable for automotive applications?
Yes, it is designed to operate reliably in automotive environments.
9. What is the temperature coefficient of this voltage reference?
The temperature coefficient is typically 8 ppm/°C.
10. Can the REF3333AIDCKR be used in medical devices?
Yes, its high precision and stability make it ideal for medical applications.
