Overview
The REF3012AIDBZR is a precision voltage reference IC produced by Texas Instruments. This component is part of the REF30xx family, known for its high accuracy, low power consumption, and compact SOT-23 package. The REF3012AIDBZR provides a stable 1.25V output voltage with an initial accuracy of ±0.2% and is suitable for a wide range of applications requiring precise voltage referencing.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 1.2475 - 1.2525 | V |
| Initial Accuracy | ±0.2% | |
| Output Current | 25 mA | |
| Line Regulation | 60 - 190 µV/V | |
| Temperature Drift | 50 ppm/°C (0°C to 70°C), 75 ppm/°C (-40°C to +125°C) | |
| Quiescent Current | 42 µA (Typical) | |
| Package | SOT-23-3 | |
| Operating Voltage Range | 1.8V to 5.5V | |
| RoHS Compliance | Yes |
Key Features
- High accuracy: ±0.2% initial accuracy
- Low power consumption: 42 µA typical quiescent current
- Low dropout: 1 mV
- High output current: 25 mA
- Excellent temperature drift performance: 50 ppm/°C (0°C to 70°C), 75 ppm/°C (-40°C to +125°C)
- Compact SOT-23-3 package
- No external capacitor required for normal operation
Applications
- Temperature and pressure transmitters
- Portable, battery-powered equipment
- Data acquisition systems
- Medical equipment
- Handheld test equipment
- Loop-powered industrial applications
Q & A
- What is the output voltage of the REF3012AIDBZR? The output voltage is 1.25V with an initial accuracy of ±0.2%.
- What is the operating voltage range of the REF3012AIDBZR? The operating voltage range is from 1.8V to 5.5V.
- What is the typical quiescent current of the REF3012AIDBZR? The typical quiescent current is 42 µA.
- Does the REF3012AIDBZR require an external capacitor for normal operation? No, it does not require an external capacitor for normal operation.
- What is the temperature drift performance of the REF3012AIDBZR? The temperature drift performance is 50 ppm/°C (0°C to 70°C) and 75 ppm/°C (-40°C to +125°C).
- What package type is the REF3012AIDBZR available in? It is available in a SOT-23-3 package.
- Is the REF3012AIDBZR RoHS compliant? Yes, it is RoHS compliant.
- What are some common applications of the REF3012AIDBZR? Common applications include temperature and pressure transmitters, portable battery-powered equipment, data acquisition systems, medical equipment, and handheld test equipment.
- How much output current can the REF3012AIDBZR provide? The REF3012AIDBZR can provide up to 25 mA of output current.
- What is the line regulation of the REF3012AIDBZR? The line regulation is 60 - 190 µV/V.
