LM4050AIM3X-4.1/NOPB

Voltage Reference Overview

The LM4050AIM3X-4.1/NOPB is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 4.096 V with an initial accuracy of 0.1% and a temperature coefficient of 50 ppm/°C. The device operates within a current range up to 15 mA and functions across a temperature range of -40°C to +125°C. Packaged in a surface-mount SOT-23-3 format, it belongs to the LM4050 series designed for space-critical applications requiring stable reverse breakdown voltage.

Voltage Reference Feature Summary

• Provides high-precision voltage referencing with 0.1% initial accuracy and low temperature drift.
• Operates as a two-terminal shunt device without requiring external stabilizing capacitors.
• Features ultra-small footprint suitable for space-constrained surface-mount designs.

Voltage Reference Applications

• Portable battery-powered instrumentation
• Data acquisition systems
• Microcontroller analog-to-digital converter references

Voltage Reference Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status via official datasheets. Ensure ordering suffixes match exact electrical specifications. Request batch-specific documentation for quality assurance. Validate package markings against official mechanical drawings.

Voltage Reference Selection Notes

Select this part when 4.096 V precision is required in minimal space. Consider the 0.1% accuracy grade for critical measurement circuits. Evaluate thermal performance within the specified -40°C to +125°C range. Compare power consumption requirements against the micropower shunt architecture.

Voltage Reference Part Context

Part of the LM4050 family offering multiple fixed reverse breakdown voltages. Designed as a drop-in replacement for larger packages while maintaining precision. Utilizes laser-trimmed resistors for long-term stability. Compatible with standard surface-mount assembly processes.

Voltage Reference Replacement Considerations

LM4050CIM3X-4.1/NOPB offers similar functionality with 0.5% initial accuracy. LM4050AEM3X-4.1/NOPB may be available in alternative packaging configurations. Verify pinout compatibility before substitution.