LM4040C30QDBZR

$0.94

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

SKU:348ecfee8db1 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)：3V
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：-
Qualification：-

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LM4040C30QDBZR

Overview

The LM4040C30QDBZR is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed nominal output voltage of 3V with an initial accuracy of ±0.5%. The device operates within a temperature range of -40°C to +85°C and features a maximum shunt current of 15mA. It is housed in a SOT-23 surface-mount package with three pins. The component meets AEC-Q100 automotive qualification standards, ensuring reliability for automotive applications.

Feature Summary

Provides a stable 3V reference voltage with high precision
Qualified for automotive environments under AEC-Q100 standards
Operates efficiently with low quiescent current consumption

Applications

Automotive electronic systems requiring precise voltage regulation
Portable battery-powered instrumentation circuits
Data acquisition systems needing accurate reference sources

Procurement Notes

Verify the specific suffix QDBZR confirms AEC-Q100 automotive qualification status before integration. Ensure the ordering code matches the required tolerance and package variant. Confirm that the supplier source provides genuine Texas Instruments components to avoid counterfeit risks. Check for any recent lifecycle notices regarding obsolescence or alternate recommendations.

Selection Notes

Select this part when a 3V reference is required in space-constrained designs using SOT-23 packages. It is suitable for applications demanding automotive-grade reliability and moderate precision. Consider alternative LM4040 variants if different voltage levels or tighter tolerances are necessary. Evaluate thermal management requirements based on the specified operating temperature range.

Part Context

This component belongs to the LM4040 series of micropower shunt voltage references from Texas Instruments. The series offers various fixed voltage options and accuracy grades. The LM4040C30QDBZR specifically targets automotive markets due to its qualification status. It complements other precision reference devices in power management portfolios.