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Product Detailed Parameters
- Description：IC VREF SERIES 0.05% SOT23-6
- Series：REF34xx
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：3V
- Voltage - Output (Max)：-
- Current - Output：10 mA
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6
- Supplier Device Package：SOT-23-6
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The REF3430QDBVRQ1 is an automotive-grade series voltage reference from Texas Instruments, housed in a compact SOT-23-6 surface-mount package. It delivers a fixed output of 3V with high initial accuracy of ±0.05% and a low temperature coefficient of 6ppm/°C. The device operates within an input voltage range of 3.5V to 12V and draws a quiescent current of 95µA. It supports a maximum output current of 10mA and functions reliably across a temperature range of -40°C to +125°C. Noise performance is specified at 15µVp-p (0.1Hz to 10Hz) and 24µVrms (10Hz to 1kHz).
Feature Summary
- Automotive qualification compliant with AEC-Q100 standards for robust reliability.
- Low-noise architecture ensuring signal integrity in sensitive analog circuits.
- Compact SOT-23-6 footprint designed for space-constrained board layouts.
Applications
- Data acquisition systems requiring stable reference voltages.
- Industrial process control instrumentation.
- Medical equipment utilizing precision sensing elements.
Procurement Notes
Verify the complete part number including suffixes to ensure correct packaging and automotive grade alignment. Confirm that the specific revision matches the design requirements. Check for moisture sensitivity level handling instructions during assembly. Ensure supply chain sources provide valid traceability documentation for automotive applications.
Selection Notes
Select this component when a fixed 3V reference with tight tolerance and low drift is required in an automotive environment. Compare against other REF34xx variants if different output voltages or package types are needed. Consider the 10mA load capability against system power budget constraints.
Part Context
This device belongs to the REF34xx family of low-power, low-drift voltage references. It shares architectural similarities with other members but is specifically optimized for the 3V output configuration. The QDBVRQ1 designation indicates the automotive grade, SOT-23-6 package, and tape-and-reel delivery format.
Replacement Considerations
Direct substitutes include REF3430IDBVR or REF3430IDBVRT for commercial grades. For automotive equivalents, verify REF3430QDGKRQ1 for VSSOP-8 packaging compatibility.
