LM4040A30IDBZRG4

$1.90

Description：IC VREF SHUNT 0.1% SOT23-3
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)

SKU:44047cc21de2 Category: Voltage Reference Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT 0.1% SOT23-3
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)
Output Type：Fixed
Voltage - Output (Min/Fixed)：3V
Voltage - Output (Max)：-
Current - Output：15 mA
Operating Temperature：-40°C ~ 85°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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LM4040A30IDBZRG4

Overview

The LM4040A30IDBZRG4 is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 3V with an initial accuracy of ±0.1%. The device operates within a temperature range of -40°C to +85°C and features a temperature coefficient of 100 ppm/°C. It requires a minimum cathode current of 47 µA for regulation and supports a maximum cathode current of 15 mA. The component is housed in a surface-mount SOT-23-3 package.

Feature Summary

Delivers high-precision voltage regulation with ±0.1% initial accuracy
Designed for low-power applications with micropower consumption characteristics
Provides stable reference performance across industrial temperature ranges

Applications

Portable instrumentation requiring precise voltage references
Battery-powered measurement systems
Data acquisition circuits

Procurement Notes

Verify the complete part number including the G4 suffix to ensure compliance with RoHS directives and lead-free manufacturing standards. Confirm the specific tape-and-reel packaging configuration matches your automated assembly requirements. Cross-reference the manufacturer's latest datasheet for any updates regarding pinout definitions or thermal characteristics before finalizing procurement specifications.

Selection Notes

Select this component when a 3V reference with tight tolerance is required in space-constrained designs. The SOT-23-3 package offers a compact footprint suitable for dense PCB layouts. Ensure the circuit design maintains the minimum operating current of 47 µA to guarantee proper regulation and stability under all load conditions.

Part Context

This device belongs to the LM4040 family of precision shunt voltage references from Texas Instruments. The family includes various voltage options and accuracy grades, such as the LM4040B and LM4040C series. The LM4040A30 variant specifically targets applications demanding higher initial accuracy compared to standard commercial grade parts.