LM4050BEM3-2.0/NOPB

Voltage Reference Overview

The LM4050BEM3-2.0/NOPB is a micropower shunt voltage reference manufactured by Texas Instruments, housed in a SOT-23-3 surface-mount package. It provides a fixed output voltage of 2.048 V with an initial accuracy of ±0.5%. The device features a temperature coefficient of 50 ppm/°C and supports a maximum cathode current of 15 mA. Operating within a junction temperature range of -40°C to +125°C, it draws a typical quiescent current of 90 µA. This component is designed for precision applications requiring low power consumption and stable voltage regulation in compact form factors.

Voltage Reference Feature Summary

• Micropower operation with low quiescent current consumption
• Precision shunt voltage reference architecture
• Compact SOT-23-3 surface-mount packaging

Voltage Reference Applications

• Portable battery-powered instrumentation
• Data acquisition systems
• Handheld meters

Voltage Reference Procurement Notes

Verify the complete part number including suffixes such as NOPB and EM3X against official Texas Instruments documentation to ensure correct tolerance and packaging specifications. Confirm that the specific variant matches the required initial accuracy and temperature coefficient for the intended design. Cross-reference ordering information directly with authorized distributors or the manufacturer's official channels to validate availability and authenticity before procurement.

Voltage Reference Selection Notes

Select this component when a precise 2.048 V reference is required in space-constrained designs. Ensure the application can accommodate the shunt configuration and minimum operating current requirements. Verify that the ±0.5% initial accuracy meets the system's error budget constraints. Consider the thermal environment to ensure operation remains within the specified -40°C to +125°C range for long-term stability.

Voltage Reference Part Context

This device belongs to the LM4050-N series of precision micropower shunt voltage references from Texas Instruments. The series offers multiple fixed output voltages optimized for various analog circuit needs. The LM4050 family is characterized by its small footprint and low power profile, making it suitable for modern portable electronics where energy efficiency and board space are critical design parameters.

Voltage Reference Replacement Considerations

Compatible substitutes include other LM4050 variants with different output voltages or tolerances, provided the pinout and package remain identical. Check datasheets for matching temperature coefficients and current limits to ensure functional equivalence in the existing circuit topology.