Overview
The REF2933AIDBZTG4 is a precision voltage reference IC manufactured by Texas Instruments. This product is designed to provide a stable and accurate voltage reference, making it ideal for applications requiring high precision and low noise. The REF2933AIDBZTG4 is part of Texas Instruments' REF29xx series, known for its excellent performance in industrial, automotive, and consumer electronics applications. Its compact SOT-23 package and low dropout voltage make it a versatile choice for space-constrained designs.
Targeted at engineers and designers in industries such as instrumentation, data acquisition, and power management, the REF2933AIDBZTG4 stands out for its high accuracy, low temperature coefficient, and robust performance under varying conditions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 3.3 | V | Fixed |
| Initial Accuracy | ±0.2 | % | Maximum |
| Temperature Coefficient | 50 | ppm/°C | Maximum |
| Dropout Voltage | 200 | mV | Typical |
| Output Current | 10 | mA | Maximum |
| Operating Temperature Range | -40 to +125 | °C | Industrial |
| Package | SOT-23 | - | 3-Pin |
Key Features
- High Accuracy: Provides a precise 3.3V output with an initial accuracy of ±0.2%.
- Low Temperature Coefficient: Ensures stable performance across a wide temperature range with a maximum temperature coefficient of 50 ppm/°C.
- Low Dropout Voltage: Operates efficiently with a low dropout voltage of 200 mV, making it suitable for low-power applications.
- Compact Package: Available in a small SOT-23 package, ideal for space-constrained designs.
- Wide Operating Temperature Range: Functions reliably in industrial environments with a temperature range of -40°C to +125°C.
Applications
The REF2933AIDBZTG4 is widely used in applications requiring a stable and accurate voltage reference. Its key application areas include:
- Industrial Automation: Provides precise voltage references for sensors, actuators, and control systems.
- Data Acquisition Systems: Ensures accurate signal conditioning and analog-to-digital conversion.
- Power Management: Used in voltage regulators and power supply circuits to maintain stable output voltages.
- Automotive Electronics: Supports reliable operation in automotive systems, including infotainment and engine control units.
- Consumer Electronics: Ideal for portable devices, wearables, and other compact electronics requiring low power consumption.
Q & A
1. What is the output voltage of the REF2933AIDBZTG4?
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 temperature coefficient of the REF2933AIDBZTG4?
The temperature coefficient is 50 ppm/°C maximum.
4. What is the dropout voltage of this IC?
The dropout voltage is typically 200 mV.
5. What is the maximum output current?
The maximum output current is 10 mA.
6. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
7. What package does the REF2933AIDBZTG4 come in?
It is available in a 3-pin SOT-23 package.
8. Is this IC suitable for automotive applications?
Yes, it is designed to operate reliably in automotive environments.
9. Can it be used in low-power applications?
Yes, its low dropout voltage makes it suitable for low-power designs.
10. What are the typical applications of this voltage reference?
Typical applications include industrial automation, data acquisition systems, power management, automotive electronics, and consumer electronics.
