LM4050AIX3-5.0-T

Voltage Reference Overview

The LM4050AIX3-5.0-T is a precision micropower shunt voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed reverse breakdown voltage of 5.0V with an initial accuracy of 0.1%. The device features a maximum temperature coefficient of 50ppm/°C, guaranteed over the operating temperature range of -40°C to +125°C. It operates within a wide current range from 60µA to 15mA and utilizes a compact SC-70-3 surface-mount package.

Voltage Reference Feature Summary

• Laser-trimmed resistors ensure high initial accuracy for stable performance
• No external stabilizing capacitor required for stability with any capacitive load
• Low dynamic impedance maintains voltage accuracy across wide operating currents

Voltage Reference Applications

• Space-critical applications requiring small footprint
• Portable battery-powered equipment
• Data acquisition systems
• Handheld instruments

Voltage Reference Procurement Notes

Verify the specific suffix 'IX3' against official datasheets, as standard Maxim nomenclature typically uses 'EX3' for SC-70 packages. Confirm manufacturer attribution between Analog Devices and Texas Instruments, as TI also produces compatible LM4050 variants. Ensure the component meets RoHS compliance requirements for your region before procurement.

Voltage Reference Selection Notes

Select this component when a 5.0V reference is needed in a subminiature SC-70 package. It is suitable for designs requiring 0.1% initial accuracy and operation up to 125°C. Consider the 60µA minimum current requirement for biasing circuits. Verify if the 50ppm/°C temperature coefficient meets thermal stability needs compared to lower drift alternatives.

Voltage Reference Part Context

The LM4050 series consists of two-terminal shunt-mode bandgap voltage references available in multiple fixed voltages. These devices are designed for space-constrained environments, offering a package size 50% smaller than comparable SOT-23 devices. The series includes grades ranging from 0.1% to 0.5% accuracy, catering to various precision requirements.

Voltage Reference Replacement Considerations

LM4050EX3-5.0+T (Analog Devices/Maxim)

Voltage Reference FAQ

Does the LM4050 require an external capacitor?

No, the LM4050 does not require an external stabilizing capacitor while ensuring stability with any capacitive loads.

What is the operating temperature range?

The specifications are guaranteed over the temperature range of -40°C to +125°C.