Overview
The REF3020AIDBZR is a precision, low-power, low-dropout voltage reference from Texas Instruments. It is part of the REF30xx family, which is known for its high accuracy and excellent temperature drift performance. This component is packaged in a tiny 3-pin SOT-23 package, making it ideal for space-constrained applications. The REF3020AIDBZR operates with a quiescent current of 42 µA (typical) and offers a high output current of up to 25 mA, making it suitable for a variety of industrial and portable applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 2.048 | V |
| Initial Accuracy | ±0.2% | |
| Temperature Drift | 50 ppm/°C (0°C to 70°C), 75 ppm/°C (–40°C to +125°C) | |
| Quiescent Current (Iq) | 42 µA (Typical) | |
| Output Current | Up to 25 mA | |
| Low Dropout Voltage | 1 mV | |
| Operating Temperature Range | –40°C to +125°C | |
| Package Type | SOT-23-3 |
Key Features
- MicroSize Package: Available in a tiny 3-pin SOT-23 package, ideal for space-constrained applications.
- Low Dropout: Operates with a dropout voltage as low as 1 mV.
- High Output Current: Capable of delivering up to 25 mA of output current.
- High Accuracy: Offers an initial accuracy of ±0.2%.
- Low Quiescent Current: Typical quiescent current of 42 µA, making it suitable for low-power applications.
- Excellent Temperature Drift Performance: Specified drift of 50 ppm/°C from 0°C to 70°C and 75 ppm/°C from –40°C to +125°C.
- No Load Capacitor Required: Stable operation without the need for a load capacitor, making it suitable for intrinsically safe and explosion-proof applications.
Applications
- Temperature and Pressure Transmitters: Ideal for loop-powered industrial applications.
- Portable, Battery-Powered Equipment: Suitable due to its low power consumption and high precision.
- Data Acquisition Systems: Used for precise voltage referencing in data acquisition applications.
- Medical Equipment: High accuracy and stability make it suitable for medical devices.
- Handheld Test Equipment: Compact size and low power consumption are beneficial for handheld test equipment.
Q & A
- What is the output voltage of the REF3020AIDBZR?
The output voltage of the REF3020AIDBZR is 2.048 V with an initial accuracy of ±0.2%.
- What is the typical quiescent current of the REF3020AIDBZR?
The typical quiescent current is 42 µA.
- What is the maximum output current of the REF3020AIDBZR?
The REF3020AIDBZR can deliver up to 25 mA of output current.
- What is the temperature drift specification of the REF3020AIDBZR?
The temperature drift is specified as 50 ppm/°C from 0°C to 70°C and 75 ppm/°C from –40°C to +125°C.
- Does the REF3020AIDBZR require a load capacitor for stability?
No, the REF3020AIDBZR does not require a load capacitor to be stable.
- What is the operating temperature range of the REF3020AIDBZR?
The operating temperature range is –40°C to +125°C.
- In what package is the REF3020AIDBZR available?
The REF3020AIDBZR is available in a 3-pin SOT-23 package.
- What are some typical applications of the REF3020AIDBZR?
Typical applications include temperature and pressure transmitters, portable battery-powered equipment, data acquisition systems, medical equipment, and handheld test equipment.
- What is the dropout voltage of the REF3020AIDBZR?
The dropout voltage is as low as 1 mV.
- Is the REF3020AIDBZR suitable for intrinsically safe and explosion-proof applications?
