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Product Detailed Parameters
- Description：IC VREF SERIES 0.2% SOT23-3
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：4.096V
- Current - Output：25 mA
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
- Grade：-
- Qualification：-
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Overview
The REF3040AIDBZT is a precision, low-power series voltage reference from Texas Instruments. It provides a fixed output of 4.096V with an initial accuracy of ±0.2%. The device operates within an extended industrial temperature range of -40°C to +125°C and features a maximum temperature coefficient of 75ppm/°C across this full range. It draws a typical quiescent current of 42µA and supports a maximum shunt current of 25mA. The component is housed in a compact SOT-23-3 surface-mount package.
Feature Summary
- Ultra-low power consumption suitable for battery-operated systems
- High precision with tight initial accuracy and low temperature drift
- Compact three-pin SOT-23 package for space-constrained designs
- Intrinsic safety compatibility without requiring load capacitors
Applications
- Loop-powered industrial sensors
- Portable measurement instruments
- Data acquisition systems
- Battery-powered test equipment
Procurement Notes
Verify the suffix 'T' indicates tape-and-reel packaging when ordering. Confirm the specific grade matches the required temperature coefficient and accuracy specifications for the target application environment. Ensure the source document explicitly lists the REF3040AIDBZT as an active or supported part number to avoid procurement issues related to obsolete variants.
Selection Notes
Select this component when a stable 4.096V reference is needed with minimal power draw. The SOT-23-3 form factor is ideal for dense PCB layouts. Consider the 75ppm/°C drift specification against the operating temperature extremes. This series reference eliminates the need for external compensation capacitors, simplifying the circuit design compared to other reference types.
Part Context
This part belongs to the REF30xx family of bandgap voltage references. It shares the same core architecture and pinout as other members like the REF3040AIDBZR, differing primarily in the reel packaging configuration. The family is designed for applications requiring high stability and low noise in a small footprint.
Replacement Considerations
The REF3040AIDBZR is a direct functional equivalent with identical electrical characteristics, differing only in the bulk reel packaging format instead of cut tape.
