LM4140CCM-1.0/NOPB

Voltage Reference Overview

The LM4140CCM-1.0/NOPB is a precision micropower low-dropout series voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 1.024 V with an initial accuracy of 0.1%. The device features a temperature coefficient of 3 ppm/°C and operates within a supply voltage range up to 5.6 V. It supports a maximum shunt current of 8 mA and functions reliably across an industrial temperature range from 0°C to +70°C. The component is housed in an 8-pin SOIC surface-mount package.

Voltage Reference Feature Summary

• Micropower operation designed for battery-powered applications
• Low dropout voltage capability for efficient power management
• Integrated enable pin for power control
• High precision with tight initial accuracy and low temperature drift

Voltage Reference Applications

• Portable instrumentation requiring stable reference voltages
• Battery-operated measurement systems
• Data acquisition systems
• Precision analog-to-digital converter references

Voltage Reference Procurement Notes

Verify the specific suffix and marking on the physical component to confirm it matches the LM4140CCM-1.0/NOPB designation. Ensure the supplier provides valid traceability documentation and confirms RoHS compliance status. Cross-reference the manufacturer part number against official Texas Instruments databases to validate authenticity before procurement.

Voltage Reference Selection Notes

Select this component when a sub-2V precision reference is required with minimal quiescent current consumption. It is suitable for designs where space constraints favor the SOIC-8 package over larger alternatives. Consider the 0.1% initial accuracy and 3 ppm/°C drift specifications to ensure they meet the system's long-term stability requirements.

Voltage Reference Part Context

This device belongs to the LM4140 family of precision voltage references, which are characterized by their micropower consumption and low dropout performance. The family includes various output voltage options and accuracy grades, all sharing similar architectural benefits for portable and high-precision electronic applications.

Voltage Reference Replacement Considerations

LM4140ACM-1.0/NOPB

Voltage Reference FAQ

What is the maximum input voltage for the LM4140CCM-1.0/NOPB?

The maximum series reference input voltage is 5.6 V.

Does the LM4140CCM-1.0/NOPB include an enable feature?

Yes, the device includes an enable pin to control power consumption.