LM4040CEM3-4.1+T

$1.84

Description：IC VREF SHUNT 0.5% SOT23-3
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:804b38b3e1d1 Category: Voltage Reference Brand: Analog Devices Inc./Maxim Integrated

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT 0.5% SOT23-3
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Fixed
Voltage - Output (Min/Fixed)：4.096V
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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LM4040CEM3-4.1+T

Overview

The LM4040CEM3-4.1+T is a precision, two-terminal shunt mode bandgap voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed reverse-breakdown output voltage of 4.096V with an initial accuracy of 0.5%. The device features a maximum temperature coefficient of 100ppm/°C and operates within a temperature range of -40°C to +125°C. It supports a shunt current capability from 60μA to 15mA and utilizes a 3-pin SOT23 surface-mount package.

Feature Summary

Laser-trimmed resistors ensure precise initial accuracy across multiple grades.
Low dynamic impedance maintains stable reverse breakdown voltage over wide operating currents.
Inherently stable without requiring external stabilizing capacitors for any capacitive load.

Applications

Portable, battery-powered equipment
Notebook computers
Cell phones
Industrial process controls

Procurement Notes

Verify the specific suffix '+T' indicates tape and reel packaging when sourcing. Confirm the 'E' designation aligns with the required extended temperature range of -40°C to +125°C. Ensure the component meets lead-free/RoHS compliance requirements as indicated by the '+' symbol in the ordering information.

Selection Notes

Select this part for applications requiring a compact 3-pin SOT23 footprint with high precision. The 0.5% initial accuracy grade offers a balance between cost and performance. Verify that the circuit design accommodates the minimum operating current of 60μA and does not exceed the maximum shunt current of 15mA during operation.

Part Context

This component belongs to the LM4040 family of improved precision micropower shunt voltage references. The family includes various output voltages such as 2.048V, 2.500V, 3.000V, 3.3V, and 5.000V. Different letter codes denote varying accuracy grades and temperature ranges within the same package options.