LM4050AEM3X-2.5/NOPB

Voltage Reference Overview

The LM4050AEM3X-2.5/NOPB is a micropower shunt voltage reference from Texas Instruments, housed in a SOT-23-3 surface-mount package. It provides a fixed output voltage of 2.5 V with an initial accuracy of ±0.1% and a temperature coefficient of 50 ppm/°C. The device operates within a junction temperature range of -40°C to +125°C and supports a maximum shunt current of 15 mA. It features low cathode current consumption of 65 µA and exhibits a noise level of 41 µVrms between 10 Hz and 10 kHz.

Voltage Reference Feature Summary

• Provides stable precision voltage regulation via a two-terminal shunt architecture suitable for compact designs.
• Delivers high initial accuracy and low temperature drift for maintaining signal integrity across varying thermal conditions.
• Operates with minimal quiescent current to support battery-powered applications requiring extended operational life.

Voltage Reference Applications

• Portable instrumentation circuits requiring precise analog references
• Battery-operated measurement devices needing low power consumption
• Data acquisition systems utilizing analog-to-digital converters

Voltage Reference Procurement Notes

Verify the specific suffix configuration against the manufacturer's latest documentation to ensure compatibility with design requirements. Confirm RoHS compliance status and check for any active product change notifications or discontinuance alerts prior to finalizing procurement plans.

Voltage Reference Selection Notes

Select this component when a fixed 2.5 V reference with tight tolerance is required in a small footprint. Ensure the circuit design accommodates the maximum shunt current limit and verify that the operating temperature range aligns with the intended environmental conditions.

Voltage Reference Part Context

This part belongs to the LM4050-N series of micropower shunt voltage references manufactured by Texas Instruments. It is designed as a drop-in replacement for older discrete reference solutions, offering improved performance in a standard SOT-23-3 package commonly used in consumer and industrial electronics.

Voltage Reference Replacement Considerations

LM4050CEM3-2.5

Voltage Reference FAQ

What is the typical noise performance of the LM4050AEM3X-2.5/NOPB?

The device exhibits a noise level of 41 µVrms measured over the frequency range of 10 Hz to 10 kHz.

Does this component require external components for operation?

No, it is a two-terminal device that functions as a standalone shunt voltage reference without requiring additional external components for basic regulation.