LM4140CCM-2.0

Voltage Reference Overview

The LM4140CCM-2.0/NOPB is a micropower low-dropout series voltage reference manufactured by Texas Instruments, housed in an SOIC-8 surface-mount package. It provides a fixed output voltage of 2.048 V with an initial accuracy of 0.1%. The device features a temperature coefficient of 10 ppm/°C and supports a maximum input voltage of 5.6 V. It operates within a junction current range up to 8 mA and functions reliably across a temperature range of 0°C to +70°C.

Voltage Reference Feature Summary

• Provides high-precision voltage referencing with 0.1% initial accuracy for critical measurement applications.
• Features low temperature drift characteristics to maintain stability across varying thermal conditions.
• Designed as a micropower device suitable for battery-operated systems requiring minimal quiescent current.

Voltage Reference Applications

• Precision data acquisition systems
• Portable instrumentation
• Battery-powered test equipment

Voltage Reference Procurement Notes

Verify the complete part number including suffixes such as /NOPB against official Texas Instruments documentation to ensure correct packaging and lead-free compliance. Confirm that the specific output voltage variant matches the design requirement, as the LM4140 family offers multiple fixed voltage options. Ensure the SOIC-8 package type aligns with the PCB footprint specifications.

Voltage Reference Selection Notes

Select this component when a stable 2.048 V reference is required with tight tolerance constraints. The SOIC-8 package facilitates automated assembly for surface-mount designs. Consider the 0°C to +70°C operating range to ensure suitability for commercial-grade environments. Evaluate the 8 mA maximum shunt current capability against the load requirements of the target circuit.

Voltage Reference Part Context

This component belongs to the LM4140 series of precision micropower low-dropout voltage references from Texas Instruments. The series includes various output voltages and packages, offering engineers flexibility in designing high-accuracy analog circuits. The LM4140CCM-2.0 specifically targets applications needing a 2.048 V reference in a compact surface-mount form factor.

Voltage Reference Replacement Considerations

Consult official substitution guides for compatible alternatives within the same series or family. Verify pin compatibility and electrical specifications before replacing components in existing designs.