The REF3333AIDBZT is a high-precision, low-power, low-voltage dropout voltage reference from Texas Instruments. This device is part of a family of small, surface-mount, low-dropout precision voltage references that are designed to provide a stable reference voltage over a wide range of operating conditions.
Key Features
- Voltage Accuracy: The REF3333AIDBZT offers an impressive initial accuracy of 0.2% at 25°C, ensuring precise voltage for critical applications.
- Low Dropout: With a low dropout voltage, this device can maintain accurate output even when the supply voltage is very close to the output voltage, making it ideal for battery-operated devices.
- Temperature Drift: It has an excellent temperature drift performance, typically 50ppm/°C, which ensures a stable output despite temperature variations.
- Low Power Consumption: The device consumes a very low quiescent current, typically 5 µA, making it suitable for power-sensitive applications.
- Output Voltage Options: Available in several fixed-output voltage options to cater to a variety of applications.
- Package: It comes in a compact SOT-23 package, which is ideal for space-constrained applications.
Applications
The REF3333AIDBZT is versatile and can be used in a multitude of applications, including:
- Portable and Battery-Powered Equipment
- Data Acquisition Systems
- Medical Instruments
- Industrial Control Systems
- Precision Instrumentation
Product Specifications
Parameter
Value
Output Voltage
3.3V
Initial Accuracy
±0.2%
Temperature Coefficient
50ppm/°C (typical)
Operating Temperature Range
–40°C to +125°C
Package / Case
SOT-23
The REF3333AIDBZT combines high accuracy, low power consumption, and the ability to operate with a very low input-output differential. It is an excellent choice for designers who require a stable reference voltage in a compact form factor.
