Overview
The REF3318AIDBZT is a precision, low-power, low-dropout voltage reference from Texas Instruments. It is part of the REF33xx family, which is designed for applications requiring high accuracy and low power consumption. This component is available in microsize packages such as SC70-3, SOT-23-3, and UQFN-8, making it ideal for portable and battery-powered devices. The REF3318AIDBZT operates over a wide temperature range of –40°C to +125°C and is characterized by its low supply current, high output current, and excellent initial accuracy.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 1.8 V | V |
| Initial Accuracy | ±0.15% | % |
| Temperature Drift | 30 ppm/°C (max) | ppm/°C |
| Supply Current | 3.9 µA (typ) | µA |
| Dropout Voltage | 110 mV (typ) | mV |
| Output Current | ±5 mA | mA |
| Noise (0.1 Hz to 10 Hz) | 50 µVPP | µVPP |
| Operating Temperature Range | –40°C to +125°C | °C |
| Package | SOT-23 (DBZ), SC70-3, UQFN-8 |
Key Features
- Microsize Packages: SC70-3, SOT-23-3, UQFN-8
- Low Supply Current: 3.9 µA (typ)
- Extremely Low Dropout Voltage: 110 mV (typ)
- High Output Current: ±5 mA
- Low Temperature Drift: 30 ppm/°C (max)
- High Initial Accuracy: ±0.15% (max)
- Low Noise: 50 µVPP (0.1 Hz to 10 Hz)
- Voltage Options: 1.2 V, 1.8 V, 2.5 V, 3 V, 3.3 V
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 REF3318AIDBZT?
The output voltage of the REF3318AIDBZT is 1.8 V.
- What is the initial accuracy of the REF3318AIDBZT?
The initial accuracy is ±0.15%.
- What is the temperature drift of the REF3318AIDBZT?
The temperature drift is 30 ppm/°C (max).
- What is the typical supply current of the REF3318AIDBZT?
The typical supply current is 3.9 µA.
- What is the dropout voltage of the REF3318AIDBZT?
The dropout voltage is 110 mV (typ).
- What is the maximum output current of the REF3318AIDBZT?
The maximum output current is ±5 mA.
- What is the noise level of the REF3318AIDBZT in the 0.1 Hz to 10 Hz range?
The noise level is 50 µVPP.
- What are the available package options for the REF3318AIDBZT?
The available packages are SOT-23 (DBZ), SC70-3, and UQFN-8.
- What is the operating temperature range of the REF3318AIDBZT?
The operating temperature range is –40°C to +125°C.
- In which types of applications is the REF3318AIDBZT commonly used?
The REF3318AIDBZT is commonly used in portable equipment, tablets and smartphones, hard disk drives, sensor modules, data acquisition systems, medical equipment, and test equipment.
