LM4040EIZ-3.0/NOPB

Description：IC VREF SHUNT 2% TO92-3
Series：-
Mfr：Texas Instruments
Package：Box

SKU:8268b5df3557 Category: Voltage Reference Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT 2% TO92-3
Series：-
Mfr：Texas Instruments
Package：Box
Output Type：Fixed
Voltage - Output (Min/Fixed)：3V
Voltage - Output (Max)：-
Current - Output：15 mA
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Through Hole
Package / Case：TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package：TO-92-3
Grade：-
Qualification：-

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LM4040EIZ-3.0/NOPB

Overview

The LM4040EIZ-3.0/NOPB is a micropower shunt voltage reference from Texas Instruments, delivering a fixed 3V output with ±1% initial accuracy. Housed in a TO-92-3 package, it operates within a -40°C to +85°C temperature range and features a 150 ppm/°C temperature coefficient. The device supports a maximum cathode current of 15 mA and a minimum operating current of 70 µA, ensuring stable regulation for precision applications requiring compact through-hole integration.

Feature Summary

Provides a fixed 3V reference voltage with high initial accuracy
Operates as a micropower shunt regulator with low minimum current consumption
Designed for surface-mount or through-hole integration in compact form factors

Applications

Precision analog-to-digital converter (ADC) reference sources
Portable instrumentation requiring stable voltage references
Battery-powered systems needing low quiescent current operation

Procurement Notes

Verify the specific suffix 'EIZ' corresponds to the TO-92-3 package variant when sourcing. Confirm that the 'NOPB' designation ensures compliance with lead-free manufacturing standards. Cross-reference the datasheet to ensure the 150 ppm/°C temperature coefficient meets your thermal stability requirements. Validate that the 15 mA maximum current rating aligns with your circuit's load conditions.

Selection Notes

Select this component when a fixed 3V reference is required in a through-hole TO-92 package. It is suitable for designs prioritizing low power consumption alongside moderate precision. Consider the ±1% tolerance and 150 ppm/°C drift characteristics against stricter requirements where tighter tolerances might necessitate alternative series options.

Part Context

This part belongs to the LM4040-N family of micropower shunt voltage references. The family offers various fixed voltage outputs and accuracy grades across SOT-23 and TO-92 packages. The LM4040 series is widely used in industrial and consumer electronics for providing stable reference voltages in measurement and control circuits.