LM4140BCMX-2.5/NOPB

Voltage Reference Overview

The LM4140BCMX-2.5/NOPB is a precision micropower low dropout voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 2.5 V with an initial accuracy of 0.1%. The device features a temperature coefficient of 6 PPM/C and operates within a junction temperature range of 0°C to +70°C. It utilizes an SOIC-8 (Narrow) surface-mount package. Maximum input voltage is 5.6 V, with a maximum shunt current of 8 mA.

Voltage Reference Feature Summary

• Provides stable series precision voltage reference performance
• Designed for micropower applications with low quiescent current
• Features low dropout operation for efficient power management

Voltage Reference Applications

• Portable instrumentation requiring precise voltage standards
• Battery-powered measurement systems
• Data acquisition systems needing stable reference sources

Voltage Reference Procurement Notes

Verify the specific suffix 'NOPB' indicates lead-free and RoHS compliance status as per manufacturer documentation. Confirm the 'M' suffix denotes tape-and-reel packaging versus tube options. Ensure the operating temperature range aligns with system requirements before procurement.

Voltage Reference Selection Notes

Select this component when a 2.5 V reference with high initial accuracy (0.1%) is required in a compact SOIC-8 package. Consider the 6 PPM/C temperature coefficient for thermal stability needs. Verify that the 8 mA maximum shunt current meets the load requirements of the target circuit design.

Voltage Reference Part Context

This part belongs to the LM4140 series of precision micropower shunt voltage references from Texas Instruments. The series offers various fixed output voltages including 1.25 V, 2.5 V, and 4.1 V options. The LM4140 family is designed for applications requiring small size and low power consumption.

Voltage Reference Replacement Considerations

LM4140ACMX-2.5/NOPB: Offers similar specifications but may differ in initial accuracy grade or temperature coefficient limits compared to the BC sub-series.