Overview
The REF3130AQDBZRQ1 is a precision, low-power, series voltage reference IC from Texas Instruments. It is part of the REF31xx-Q1 family, designed for high accuracy and stability over a wide temperature range. This device is particularly suited for applications requiring a stable voltage reference with low power consumption, making it ideal for portable and battery-powered systems. The REF3130AQDBZRQ1 operates in a tiny 3-pin SOT-23 package, enhancing its suitability for space-constrained designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 2.994 to 3.006 | V |
| Initial Accuracy | ±0.2% | |
| Temperature Drift | 10 to 20 ppm/°C | |
| Operating Temperature Range | –40°C to +125°C | |
| Quiescent Current | 100 µA (typ), 135 µA (max) | |
| Output Current | ±10 mA | |
| Dropout Voltage | 5 mV | |
| Noise (0.1 Hz to 10 Hz) | 39 µVp-p | |
| Package | 3-Pin SOT-23 |
Key Features
- High Accuracy: The REF3130AQDBZRQ1 offers high accuracy with an initial accuracy of ±0.2% and a temperature drift of 10 to 20 ppm/°C over the operating temperature range.
- Low Power Consumption: It has a typical quiescent current of 100 µA, making it suitable for battery-powered and portable applications.
- Low Dropout Voltage: The device can operate with a supply voltage as low as 5 mV above the output voltage in an unloaded condition.
- No Load Capacitor Required: The REF3130AQDBZRQ1 is stable with any capacitive load and does not require a load capacitor.
- High Output Current Capability: It can source or sink up to 10 mA of output current.
- Low Noise: The device exhibits low noise characteristics, with 39 µVp-p noise in the 0.1 Hz to 10 Hz frequency range.
Applications
- HEV/EV Powertrain Systems: Suitable for automotive battery management systems, inverter systems, and electric power steering systems.
- Advanced Driver Assistance Systems (ADAS): Used in radar systems, night vision systems, dynamic spotlight, and front camera systems.
- Infotainment MCU Attached: Can be used in infotainment systems connected to microcontrollers.
- Portable, Battery-Powered Equipment: Ideal for various portable and battery-powered devices due to its low power consumption and high accuracy.
- Data Acquisition Systems: Suitable for data acquisition systems requiring stable voltage references for maintaining accuracy.
Q & A
- What is the output voltage of the REF3130AQDBZRQ1?
The output voltage of the REF3130AQDBZRQ1 is 3 V with an initial accuracy of ±0.2%.
- What is the operating temperature range of the REF3130AQDBZRQ1?
The operating temperature range is –40°C to +125°C.
- What is the typical quiescent current of the REF3130AQDBZRQ1?
The typical quiescent current is 100 µA.
- Does the REF3130AQDBZRQ1 require a load capacitor?
No, the REF3130AQDBZRQ1 does not require a load capacitor and is stable with any capacitive load.
- What is the maximum output current of the REF3130AQDBZRQ1?
The device can source or sink up to 10 mA of output current.
- What is the dropout voltage of the REF3130AQDBZRQ1?
The dropout voltage is 5 mV in an unloaded condition.
- What are some common applications of the REF3130AQDBZRQ1?
Common applications include HEV/EV powertrain systems, ADAS, infotainment MCU attached systems, portable battery-powered equipment, and data acquisition systems.
- What is the package type of the REF3130AQDBZRQ1?
The device is packaged in a 3-pin SOT-23 package.
- How does the REF3130AQDBZRQ1 handle temperature drift?
The device has a temperature drift of 10 to 20 ppm/°C over the operating temperature range.
- What is the noise characteristic of the REF3130AQDBZRQ1?
The device exhibits 39 µVp-p noise in the 0.1 Hz to 10 Hz frequency range.
