LM4040QCEM3-2.5/NOPB

$0.82

Description：IC VREF SHUNT 0.5% SOT23-3
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:0e20bcd0f7cb Category: Voltage Reference Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT 0.5% SOT23-3
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Fixed
Voltage - Output (Min/Fixed)：2.5V
Voltage - Output (Max)：-
Current - Output：15 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：Automotive
Qualification：AEC-Q100

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LM4040QCEM3-2.5/NOPB

Overview

The LM4040QCEM3-2.5/NOPB is a micropower shunt voltage reference manufactured by Texas Instruments, featuring a fixed output of 2.5 V with an initial accuracy of ±1%. Packaged in a compact SOT-23-3 surface-mount format, it operates within a temperature range of -40°C to +125°C and meets AEC-Q100 automotive qualification standards.

Feature Summary

Automotive-grade reliability certified under the AEC-Q100 standard for robust performance in demanding environments.
Extended thermal stability maintained across a wide operating temperature range from -40°C to +125°C.
Micropower consumption design enables efficient operation with minimal current draw while maintaining precision.

Applications

Automotive electronic systems requiring qualified voltage references
Precision analog-to-digital converter (ADC) input conditioning
Battery-powered instrumentation circuits

Procurement Notes

Verify the specific suffix 'QCEM3' against official Texas Instruments documentation to confirm the exact grade and package variant. Ensure the component meets AEC-Q100 requirements if used in automotive designs. Cross-reference datasheet specifications for thermal and electrical limits before integration.

Selection Notes

Select this component when automotive qualification is mandatory alongside high-temperature operation up to 125°C. The SOT-23-3 package suits space-constrained PCB layouts. Compare initial accuracy and temperature coefficients against non-automotive grades like CIM3 or DIM3 variants to balance cost and performance needs.

Part Context

This device belongs to the LM4040-N series of micropower shunt voltage references. It provides stable reference voltages for precision applications. The Q-series designation indicates automotive qualification, distinguishing it from commercial or industrial grades within the same family.

Replacement Considerations

LM4040DIM3-2.5/NOPB offers similar electrical characteristics but lacks automotive qualification. LM4040CIM3-2.5/NOPB provides commercial-grade performance without extended temperature or AEC-Q100 certification. Verify package compatibility and thermal ratings when substituting.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

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Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

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Mode of Transportation

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.