LM4140BCM-2.0

Voltage Reference Overview

The LM4140BCM-2.0 is a micropower low-dropout series voltage reference manufactured by Texas Instruments, housed in an SOIC-Narrow-8 package. It provides a fixed output voltage of 2.048 V with an initial accuracy of 0.1% and a temperature coefficient of 6 ppm/°C. The device supports a maximum input voltage of 5.6 V and a maximum shunt current of 8 mA. It operates within a temperature range of 0°C to +70°C.

Voltage Reference Feature Summary

• Provides high precision with 0.1% initial accuracy for stable reference applications
• Features low temperature drift of 6 ppm/°C for consistent performance across operating temperatures
• Designed as a micropower series reference with low dropout characteristics

Voltage Reference Applications

• Precision data acquisition systems
• Portable instrumentation requiring stable voltage references
• Battery-powered measurement devices

Voltage Reference Procurement Notes

Verify the specific suffix (NOPB) for RoHS compliance status when sourcing. Confirm the package type matches the design footprint requirements. Ensure the operating temperature range aligns with the system environment constraints. Cross-reference the manufacturer part number with authorized distributors to ensure authenticity and traceability.

Voltage Reference Selection Notes

Select this component when a fixed 2.048 V reference is required with tight tolerance specifications. The SOIC-8 package offers a compact solution for surface-mount designs. Consider the 6 ppm/°C temperature coefficient for applications where thermal stability is critical. Evaluate the micropower consumption against the system's battery life requirements.

Voltage Reference Part Context

This component belongs to the LM4140 family of precision voltage references from Texas Instruments. The family includes various output voltages and packages, such as SOT-23 and SOIC options. The LM4140 series is designed to offer improved performance over previous generations with lower noise and better long-term stability.

Voltage Reference Replacement Considerations

LM4140CCM-2.0/NOPB: Similar series reference with potentially different temperature coefficient or package variations.