LM4050AEM3-2.5

Voltage Reference Overview

The LM4050AEM3-2.5 is a micropower shunt voltage reference manufactured by Texas Instruments, housed in an 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 cathode current of 15 mA. Key electrical specifications include a noise level of 41 µVrms from 10 Hz to 10 kHz and a typical cathode current of 65 µA.

Voltage Reference Feature Summary

• Provides precision voltage referencing with high initial accuracy
• Designed for low-power applications through micropower operation
• Capable of functioning across extended industrial temperature ranges

Voltage Reference Applications

• Portable instrumentation requiring stable reference voltages
• Battery-powered measurement systems
• Data acquisition circuits

Voltage Reference Procurement Notes

Verify component authenticity through authorized channels due to the prevalence of counterfeit electronic components. Confirm that the received parts match the specific ordering suffixes and packaging formats documented in official manufacturer literature. Ensure compliance with relevant environmental directives such as RoHS standards before integration into final assemblies.

Voltage Reference Selection Notes

Select this component when a compact surface-mount solution with tight tolerance requirements is necessary. The SOT-23-3 footprint offers space efficiency for dense PCB layouts. Consider the specific accuracy grade and thermal stability metrics relative to the application's precision needs and operating environment constraints.

Voltage Reference Part Context

This part belongs to the LM4050-N series of micropower shunt voltage references. It serves as a cost-effective alternative to more complex regulation circuits by providing a stable reference node. The series is widely utilized in power management integrated circuits where reliable voltage基准ing is critical for system performance.

Voltage Reference Replacement Considerations

LM4050BEM3-2.5/NOPB

Voltage Reference FAQ

What is the maximum cathode current rating?

The maximum cathode current is rated at 15 mA.

Does the device require external compensation?

No external compensation is required for stable operation as a shunt reference.