Overview
The REF3330AIDBZT is a part of the REF33xx family of low-power, precision, low-dropout voltage references from Texas Instruments. This component is designed for applications requiring high accuracy and minimal temperature drift. Available in compact packages such as SC70-3, SOT-23-3, and UQFN-8, it is ideal for a wide range of portable and battery-powered devices. The REF3330AIDBZT offers a stable output voltage of 3.0 V with excellent initial accuracy and low dropout voltage, making it suitable for various electronic systems that demand precise voltage regulation.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (VOUT) | 2.985 | 3.0 | 3.015 | V |
| Initial Accuracy | -0.15% | 0.15% | % | |
| Temperature Drift | -30 | 30 | ppm/°C | |
| Supply Current (IQ) | 3.9 | 5 | 8.5 | μA |
| Dropout Voltage (VIN - VOUT) | 110 | 180 | mV | |
| Output Noise (0.1 Hz to 10 Hz) | 84 | μVPP | ||
| Operating Temperature Range | -40 | 125 | °C | |
| Maximum Output Current | ±5 | mA |
Key Features
- Microsize Packages: SC70-3, SOT-23-3, UQFN-8
- Low Supply Current: 3.9 μA (typical)
- Extremely Low Dropout Voltage: 110 mV (typical)
- High Output Current: ±5 mA
- Low Temperature Drift: 30 ppm/°C (maximum)
- High Initial Accuracy: ±0.15% (maximum)
- Advanced Start-Up Circuit: Fast settling time to 0.1% within 2 ms
- Wide Operating Temperature Range: -40°C to +125°C
Applications
- Portable Equipment
- Tablets and Smartphones
- Hard Disk Drives
- Sensor Modules
- Data Acquisition Systems
- Medical Equipment
- Test Equipment
Q & A
- What is the output voltage of the REF3330AIDBZT?
The output voltage of the REF3330AIDBZT is 3.0 V.
- What is the typical supply current of the REF3330AIDBZT?
The typical supply current is 3.9 μA.
- What is the maximum dropout voltage for the REF3330AIDBZT?
The maximum dropout voltage is 180 mV.
- What is the temperature drift of the REF3330AIDBZT?
The temperature drift is 30 ppm/°C.
- What is the maximum output current of the REF3330AIDBZT?
The maximum output current is ±5 mA.
- What are the recommended capacitive loads for the REF3330AIDBZT?
The total capacitive load at the output must be between 0.1 μF to 10 μF.
- What is the operating temperature range of the REF3330AIDBZT?
The operating temperature range is -40°C to +125°C.
- What types of packages are available for the REF3330AIDBZT?
The REF3330AIDBZT is available in SC70-3, SOT-23-3, and UQFN-8 packages.
- How fast does the REF3330AIDBZT settle to its output voltage?
The REF3330AIDBZT settles to its output voltage within 2 ms.
- What are some common applications for the REF3330AIDBZT?
Common applications include portable equipment, tablets and smartphones, hard disk drives, sensor modules, data acquisition systems, medical equipment, and test equipment.
