LM4040CIZ-2.0/NOPB

Description：IC VREF SHUNT 0.5% TO92-3
Series：-
Mfr：Texas Instruments
Package：Box

SKU:0d8b1b4bfeab Category: Voltage Reference Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT 0.5% TO92-3
Series：-
Mfr：Texas Instruments
Package：Box
Output Type：Fixed
Voltage - Output (Min/Fixed)：2.048V
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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LM4040CIZ-2.0/NOPB

Overview

The LM4040CIZ-2.0/NOPB is a precision shunt voltage reference manufactured by Texas Instruments, featuring a nominal output voltage of 2.048 V. It operates within a temperature range of -40°C to +85°C and utilizes a TO-92-3 through-hole package. The device offers an initial accuracy of ±0.5% and a maximum cathode current of 15 mA with a minimum operating current of 60 µA.

Feature Summary

Provides stable fixed voltage reference via shunt topology
Ensures high precision with tight initial accuracy tolerance
Supports low-power operation with minimal quiescent current consumption

Applications

Portable battery-powered instrumentation
Data acquisition systems requiring precise analog references
Microprocessor-based supervisory circuits

Procurement Notes

Verify the specific suffix NOPB indicates lead-free and RoHS compliance as per Texas Instruments standards. Confirm the C grade corresponds to the required ±0.5% accuracy for your application. Ensure the TO-92-3 package matches your PCB footprint requirements before ordering.

Selection Notes

Select this component when a low-cost, through-hole voltage reference is needed for general-purpose applications. The 2.048 V output is suitable for driving ADCs or DACs in single-supply systems. Consider the thermal resistance and power dissipation limits if operating near maximum current ratings.

Part Context

This part belongs to the LM4040 family of micropower shunt voltage references from Texas Instruments. The family includes various output voltages and packages, such as SOT-23 and TO-92. The LM4040 series is designed to replace Zener diodes in applications requiring better stability and lower temperature coefficients.