Overview
The REF2030QDDCRQ1 is a low-drift, low-power, dual-output voltage reference IC produced by Texas Instruments. This component is designed to provide a stable reference voltage (VREF) and a bias voltage (VBIAS) for applications requiring precise voltage levels, particularly in analog-to-digital converter (ADC) input ranges. It is part of the REF20xx-Q1 series, which is tailored for automotive and high-precision applications.
The device operates with a quiescent current of less than 430 µA and offers excellent temperature drift and initial accuracy. It is RoHS compliant and packaged in a SOT-23-THN (DDC) package, making it suitable for a variety of electronic systems, including those with limited board space and low power requirements.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | REF2030QDDCRQ1 |
| Package/Case | SOT-23-THN (DDC)-5 |
| Operating Temperature Range (°C) | -40 to 125 |
| Voltage - Input | 2.28V ~ 5.5V |
| Voltage - Output (Fixed) | 3V |
| Current - Supply | 460 µA |
| Current - Output | 20 mA |
| Temperature Coefficient | 8 ppm/°C |
| Initial Accuracy | ±0.05% |
| Noise (0.1Hz to 10Hz) | 12 ppm-p |
| RoHS Status | Lead free / RoHS Compliant |
Key Features
- Low Drift and High Accuracy: The REF2030QDDCRQ1 offers excellent temperature drift of 8 ppm/°C and initial accuracy of ±0.05% on both VREF and VBIAS outputs.
- Low Power Consumption: Operates with a quiescent current of less than 430 µA, making it suitable for battery-operated systems.
- Dual Output Voltages: Provides a reference voltage (VREF) and a bias voltage (VBIAS) that can be used to bias input bipolar signals.
- Low Dropout Voltage: An extremely low dropout voltage of only 10 mV allows operation from very low input voltages.
- High Precision and Stability: Both VREF and VBIAS voltages have the same excellent specifications and can sink and source current equally well, with very good long-term stability and low noise levels.
- Compact Packaging: Packaged in a SOT-23-THN (DDC) package, which is ideal for applications with limited board space.
Applications
- Automotive Systems: The REF2030QDDCRQ1 is AEC-Q100 qualified, making it suitable for use in automotive applications where high reliability and precision are required.
- Analog-to-Digital Converters (ADCs): Provides stable reference and bias voltages for ADC input ranges, ensuring accurate conversions.
- Battery-Operated Systems: Low power consumption and low dropout voltage make it ideal for battery-powered devices.
- High-Precision Measurement Systems: Suitable for applications requiring high precision and stability, such as medical devices, industrial control systems, and precision instrumentation.
Q & A
- What is the primary function of the REF2030QDDCRQ1?
The REF2030QDDCRQ1 provides a reference voltage (VREF) and a bias voltage (VBIAS) for applications requiring precise voltage levels.
- What is the operating temperature range of the REF2030QDDCRQ1?
The operating temperature range is -40°C to 125°C.
- What is the input voltage range for the REF2030QDDCRQ1?
The input voltage range is 2.28V to 5.5V.
- What is the quiescent current of the REF2030QDDCRQ1?
The quiescent current is less than 430 µA.
- Is the REF2030QDDCRQ1 RoHS compliant?
Yes, the REF2030QDDCRQ1 is RoHS compliant.
- What is the package type of the REF2030QDDCRQ1?
The package type is SOT-23-THN (DDC)-5.
- What are the key specifications of the output voltages?
The output voltages have an initial accuracy of ±0.05% and a temperature coefficient of 8 ppm/°C.
- Can the REF2030QDDCRQ1 be used in automotive applications?
Yes, it is AEC-Q100 qualified, making it suitable for automotive applications.
- What are some typical applications of the REF2030QDDCRQ1?
Typical applications include ADCs, battery-operated systems, and high-precision measurement systems.
- What is the dropout voltage of the REF2030QDDCRQ1?
The dropout voltage is only 10 mV.
