Overview
The REF3333AIDBZR is a precision voltage reference component manufactured by Texas Instruments. It is part of the REF33xx family, known for its low power consumption, high accuracy, and compact packaging. This device is particularly suited for applications requiring a stable 3.3V reference voltage with minimal current draw and high thermal stability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 3.3 | V |
| Initial Accuracy | ±0.15% | |
| Temperature Drift | 30 ppm/°C | |
| Supply Current | 3.9 μA (typ) | |
| Dropout Voltage | 110 mV (typ) | |
| Output Current | ±5 mA | |
| Noise (0.1 Hz to 10 Hz) | 92 μVPP | |
| Operating Temperature Range | –40°C to +125°C | |
| Package Options | SOT-23-3, SC70-3, UQFN-8 |
Key Features
- Microsize packages: SOT-23-3, SC70-3, and UQFN-8, making it ideal for space-constrained applications.
- Low supply current: 3.9 μA (typ), suitable for battery-powered devices.
- Extremely low dropout voltage: 110 mV (typ), ensuring efficient operation.
- High output current capability: ±5 mA.
- High initial accuracy: ±0.15%.
- Low temperature drift: 30 ppm/°C.
- Wide operating temperature range: –40°C to +125°C.
Applications
- Portable equipment such as tablets and smartphones.
- Hard disk drives.
- Sensor modules.
- Data acquisition systems.
- Medical equipment.
- Test equipment.
Q & A
- What is the nominal output voltage of the REF3333AIDBZR? The nominal output voltage is 3.3V.
- What is the initial accuracy of the REF3333AIDBZR? The initial accuracy is ±0.15%.
- What is the temperature drift of the REF3333AIDBZR? The temperature drift is 30 ppm/°C.
- How much current does the REF3333AIDBZR typically consume? It typically consumes 3.9 μA.
- What are the package options available for the REF3333AIDBZR? The package options are SOT-23-3, SC70-3, and UQFN-8.
- What is the maximum output current of the REF3333AIDBZR? The maximum output current is ±5 mA.
- What is the operating temperature range of the REF3333AIDBZR? The operating temperature range is –40°C to +125°C.
- What is the typical dropout voltage of the REF3333AIDBZR? The typical dropout voltage is 110 mV.
- What kind of noise can be expected from the REF3333AIDBZR? The noise from 0.1 Hz to 10 Hz is 92 μVPP.
- In which types of applications is the REF3333AIDBZR commonly used? It is commonly used in portable equipment, hard disk drives, sensor modules, data acquisition systems, medical equipment, and test equipment.
