Overview
The REF3112AIDBZT is a precision, low power, low dropout series voltage reference from Texas Instruments. It is part of the REF31xx family, which is designed to provide high accuracy and stability in a compact 3-pin SOT-23 package. This component is ideal for applications requiring a reliable voltage reference with minimal power consumption, making it suitable for portable and battery-powered devices. The REF3112AIDBZT operates over a wide temperature range of -40°C to +125°C and does not require a load capacitor, ensuring stability with any capacitive load.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 1.2475 to 1.2525 | V |
| Output Voltage Accuracy | ±0.2% | |
| Temperature Drift | 15 ppm/°C (0°C to +70°C), 20 ppm/°C (-40°C to +125°C) | |
| Dropout Voltage | 5 mV | |
| Output Current | ±10 mA | |
| Quiescent Current | 100 µA (typical), 115 µA (maximum) | |
| Operating Temperature Range | -40°C to +125°C | |
| Input Voltage Range | 1.8 V to 5.5 V | |
| Package | SOT-23 (DBZ), 3 pins |
Key Features
- High accuracy with an output voltage accuracy of ±0.2%.
- Low dropout voltage of 5 mV.
- High output current capability of ±10 mA.
- Low quiescent current of 100 µA (typical) and 115 µA (maximum).
- Excellent temperature drift performance: 15 ppm/°C from 0°C to +70°C and 20 ppm/°C from -40°C to +125°C.
- No load capacitor required, stable with any capacitive load.
- Compact SOT-23 package.
Applications
- Portable and battery-powered equipment.
- Data acquisition systems.
- Medical equipment.
- Hand-held test equipment.
- Low-power reference and conditioning circuits.
Q & A
- What is the output voltage of the REF3112AIDBZT? The output voltage is 1.25 V with an accuracy of ±0.2%.
- What is the temperature drift of the REF3112AIDBZT? The temperature drift is 15 ppm/°C from 0°C to +70°C and 20 ppm/°C from -40°C to +125°C.
- What is the dropout voltage of the REF3112AIDBZT? The dropout voltage is 5 mV.
- How much output current can the REF3112AIDBZT source or sink? The REF3112AIDBZT can source or sink up to ±10 mA of output current.
- What is the quiescent current of the REF3112AIDBZT? The typical quiescent current is 100 µA, and the maximum is 115 µA.
- Does the REF3112AIDBZT require a load capacitor? No, it does not require a load capacitor but is stable with any capacitive load.
- What is the operating temperature range of the REF3112AIDBZT? The operating temperature range is -40°C to +125°C.
- What is the input voltage range for the REF3112AIDBZT? The input voltage range is from 1.8 V to 5.5 V.
- In what package is the REF3112AIDBZT available? It is available in a 3-pin SOT-23 (DBZ) package.
- What are some typical applications for the REF3112AIDBZT? Typical applications include portable and battery-powered equipment, data acquisition systems, medical equipment, and hand-held test equipment.
