REF3433QDBVRQ1

$3.03

Description：IC VREF SERIES 0.05% SOT23-6
Series：REF34xx
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:897455fbaed7 Category: Voltage Reference Brand: Texas Instruments

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Product introduction

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)：3.3V
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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REF3433QDBVRQ1

Overview

The REF3433QDBVRQ1 is an automotive-grade series voltage reference manufactured by Texas Instruments. It provides a fixed output of 3.3V with an initial accuracy of ±0.05% and a maximum temperature coefficient of 6ppm/°C. The device operates within a supply voltage range of 2.5V to 12V and draws a quiescent current of 95µA. It supports a maximum load current of 10mA and functions reliably across an extended temperature range from -40°C to +125°C. The component is housed in a compact SOT-23-6 package.

Feature Summary

Automotive qualification compliant with AEC-Q100 standards for reliability
Low power consumption suitable for battery-operated systems
High precision stability with low temperature drift characteristics

Applications

Automotive sensor signal conditioning
Data acquisition systems requiring stable references
Medical instrumentation applications

Procurement Notes

Verify the complete part number including suffixes to ensure correct packaging and automotive grade compliance. Confirm that the specific revision matches project requirements. Check datasheet for handling precautions regarding moisture sensitivity level. Ensure supplier documentation includes traceability records required for automotive quality management systems.

Selection Notes

Select this component when a stable 3.3V reference is needed in space-constrained automotive designs. Consider the SOT-23-6 package for surface-mount assembly efficiency. Evaluate the 95µA quiescent current against system power budgets. Verify input voltage compatibility within the specified operating range before integration into the circuit design.

Part Context

This device belongs to the REF34xx-Q1 family of precision voltage references designed specifically for automotive environments. The family offers various output voltages while maintaining consistent performance metrics. The QDBVRQ1 designation indicates the specific 3.3V variant in the small SOT-23-6 package format optimized for high-volume manufacturing processes.