LM4040AIM3-10.0

Overview

The LM4040AIM3-10.0 is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 10.0 V with an initial accuracy of ±0.1%. The device operates within a temperature range of -40°C to +85°C and features a temperature coefficient of 100 ppm/°C. Packaged in a surface-mount SOT-23-3 case, it supports a maximum shunt current of 15 mA.

Feature Summary

• Provides stable fixed reference voltage for analog circuits
• Micropower operation suitable for battery-powered applications
• High precision accuracy ensures signal integrity

Applications

• Analog-to-digital converter (ADC) reference inputs
• Digital-to-analog converter (DAC) reference sources
• Portable instrumentation measurement systems

Procurement Notes

Verify the specific suffix and package type against the manufacturer datasheet to ensure compatibility with design requirements. Confirm RoHS compliance status and lead times through authorized distributors. Check for obsolescence notices or lifecycle changes before finalizing procurement plans.

Selection Notes

Select this component when a high-precision 10V reference is required in a compact surface-mount footprint. Consider the 100 ppm/°C temperature coefficient for thermal stability needs. Ensure the circuit design accommodates the minimum operating current specifications defined in the electrical characteristics table.

Part Context

This part belongs to the LM4040-N series of micropower shunt voltage references from Texas Instruments. The series offers various fixed voltage options and accuracy grades. The AIM3 designation indicates the A grade accuracy and SOT-23-3 surface-mount packaging format.

Replacement Considerations

LM4040BIM3-10.0: Offers ±0.2% accuracy instead of ±0.1%. LM4040CIM3-10.0: Offers ±0.5% accuracy. Verify pinout compatibility and thermal performance when substituting.