Overview
The REF3130AIDBZR is a precision, low power, low dropout series voltage reference from Texas Instruments. It is part of the REF31xx family, which is known for its high accuracy and stability. This component is packaged in a small 3-pin SOT-23 (DBZ) package, making it ideal for space-constrained and battery-powered applications. The REF3130AIDBZR operates over a wide temperature range of -40°C to +125°C and consumes a typical current of 100 µA, contributing to its suitability for portable and energy-efficient designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 3 | V |
| Output Voltage Accuracy | ±0.2% | % |
| Temperature Drift | 15 ppm/°C (0°C to 70°C), 20 ppm/°C (-40°C to 125°C) | ppm/°C |
| Quiescent Current (Iq) | 115 µA (Maximum) | µA |
| Dropout Voltage | 5 mV | mV |
| Output Current | ±10 mA | mA |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package Type | SOT-23 (DBZ) | |
| Pins | 3 |
Key Features
- High Accuracy: The REF3130AIDBZR offers an output voltage accuracy of ±0.2%.
- Low Dropout Voltage: It has a dropout voltage of 5 mV, allowing operation with supplies down to 5 mV above the output voltage.
- High Output Current: The device can source or sink up to 10 mA of output current.
- Low Power Consumption: Typical quiescent current is 100 µA, making it suitable for battery-powered applications.
- Excellent Temperature Drift Performance: Specified drift of 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.
Applications
- Portable and Battery-Powered Equipment: Ideal due to its low power consumption and small size.
- Data Acquisition Systems: Provides stable voltage references necessary for maintaining accuracy in data acquisition.
- Medical Equipment: Suitable for medical devices requiring precise voltage references.
- Hand-Held Test Equipment: Used in various handheld test and measurement devices.
Q & A
- What is the output voltage of the REF3130AIDBZR?
The output voltage of the REF3130AIDBZR is 3 V with an accuracy of ±0.2%.
- What is the temperature drift performance of the REF3130AIDBZR?
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 quiescent current of the REF3130AIDBZR?
The typical quiescent current is 100 µA, with a maximum of 115 µA.
- What is the dropout voltage of the REF3130AIDBZR?
The dropout voltage is 5 mV.
- Can the REF3130AIDBZR source or sink current?
Yes, it can source or sink up to 10 mA of output current.
- Does the REF3130AIDBZR 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 REF3130AIDBZR?
The operating temperature range is -40°C to 125°C.
- In what package is the REF3130AIDBZR available?
The REF3130AIDBZR is available in a 3-pin SOT-23 (DBZ) package.
- What are some common applications of the REF3130AIDBZR?
Common applications include portable and battery-powered equipment, data acquisition systems, medical equipment, and hand-held test equipment.
- How does the REF3130AIDBZR handle noise?
The device has specified noise performance, and additional filtering can be used to improve output noise levels if necessary.
