LM4050AIM3-3.0-T

Voltage Reference Overview

The LM4050AIM3-3.0-T is a precision micropower shunt voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed reverse breakdown voltage of 3.0V with an initial accuracy of ±0.1% and a maximum temperature coefficient of 50ppm/°C. The device operates within a wide current range from 60µA to 15mA and features low dynamic impedance for stable performance across varying loads. It is housed in a subminiature SC-70 (SOT-323) surface-mount package, measuring 1.8mm x 1.8mm. The component is guaranteed to function over an extended temperature range of -40°C to +125°C.

Voltage Reference Feature Summary

• Ultra-small 3-pin SC-70 surface-mount package for space-critical designs
• High initial accuracy of ±0.1% ensured by laser-trimmed resistors
• Wide operating current range supporting applications from 60µA to 15mA
• No external stabilizing capacitor required while maintaining stability with any capacitive load

Voltage Reference Applications

• Portable instrumentation requiring high precision in limited board space
• Battery-powered systems utilizing micropower shunt references
• Data acquisition systems needing stable voltage benchmarks
• Temperature-compensated circuits operating in extreme environments

Voltage Reference Procurement Notes

Verify the specific suffix 'T' indicates tape-and-reel packaging when sourcing. Confirm the manufacturer designation as Analog Devices Inc./Maxim Integrated to ensure authenticity. Check RoHS compliance status against current regulatory requirements. Ensure the ordering part number matches the exact voltage and tolerance specifications required for the design.

Voltage Reference Selection Notes

Select this component when a compact footprint is prioritized alongside high precision. The SC-70 package offers approximately 50% size reduction compared to SOT-23 alternatives. Consider the 50ppm/°C temperature coefficient for applications demanding stability over wide thermal ranges. Verify that the system current remains within the 60µA to 15mA operational window for optimal regulation.

Voltage Reference Part Context

This device belongs to the LM4050/LM4051 family of precision two-terminal shunt-mode bandgap voltage references. The series offers multiple fixed reverse breakdown voltages including 1.225V, 2.048V, 2.500V, 3.000V, 3.3V, 4.096V, and 5.000V. The LM4050 variant specifically targets applications requiring tighter accuracy grades ranging from 0.1% to 0.5%.

Voltage Reference Replacement Considerations

LM4050BIM3-3.0+T: Offers similar functionality with potentially different accuracy grades or packaging options.