Overview
The REF3120AIDBZR is a precision, low power, low dropout series voltage reference from Texas Instruments. It is part of the REF31xx family and is available in a compact 3-pin SOT-23 package. This component is designed for applications requiring high accuracy and stability over a wide temperature range. The REF3120AIDBZR is particularly suited for portable and battery-powered devices due to its low power consumption and small size.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 2.048 | V |
| Output Voltage Tolerance | ±0.2% | |
| Operating Temperature Range | -40 to +125 | °C |
| Package Type | SOT-23 (DBZ) | |
| Number of Pins | 3 | |
| Quiescent Current (Iq) | 100 µA (typical), 115 µA (maximum) | µA |
| Output Current | ±10 mA | mA |
| Dropout Voltage | 5 mV | mV |
| Temperature Drift | 15 ppm/°C (0°C to 70°C), 20 ppm/°C (-40°C to 125°C) | ppm/°C |
Key Features
- High Accuracy: Output voltage tolerance of ±0.2% maximum.
- Low Dropout: Operates with a dropout voltage as low as 5 mV.
- High Output Current: Can source or sink up to ±10 mA of output current.
- Low Power Consumption: Typical quiescent current of 100 µA and maximum of 115 µA.
- Excellent Temperature Drift: 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.
- Wide Operating Temperature Range: -40°C to 125°C.
Applications
- Portable and Battery-Powered Equipment: Ideal due to its low power consumption and small size.
- Data Acquisition Systems: Provides stable voltage references for maintaining accuracy.
- Medical Equipment: Suitable for applications requiring high precision and stability.
- Hand-Held Test Equipment: Offers reliable performance in compact, portable devices.
Q & A
- What is the output voltage of the REF3120AIDBZR?
The output voltage of the REF3120AIDBZR is 2.048 V with a tolerance of ±0.2%.
- What is the operating temperature range of the REF3120AIDBZR?
The operating temperature range is -40°C to 125°C.
- What is the quiescent current of the REF3120AIDBZR?
The typical quiescent current is 100 µA, with a maximum of 115 µA.
- Does the REF3120AIDBZR require a load capacitor?
No, it does not require a load capacitor and is stable with any capacitive load.
- What is the maximum output current of the REF3120AIDBZR?
The REF3120AIDBZR can source or sink up to ±10 mA of output current.
- What is the dropout voltage of the REF3120AIDBZR?
The dropout voltage is as low as 5 mV.
- What are the typical applications of the REF3120AIDBZR?
It is typically used in portable and battery-powered equipment, data acquisition systems, medical equipment, and hand-held test equipment.
- What is the temperature drift of the REF3120AIDBZR?
The temperature drift is 15 ppm/°C from 0°C to 70°C and 20 ppm/°C from -40°C to 125°C.
- In what package is the REF3120AIDBZR available?
The REF3120AIDBZR is available in a 3-pin SOT-23 (DBZ) package.
- How stable is the REF3120AIDBZR with different loads?
The REF3120AIDBZR is stable with any capacitive load and does not require a load capacitor.
