LM4041DIM3-ADJ/NOPB

Voltage Reference Overview

The LM4041DIM3-ADJ/NOPB is a precision micropower shunt voltage reference manufactured by Texas Instruments. It operates within an extended temperature range of -40°C to +125°C and utilizes a SOT-23-3 surface-mount package. The device features an adjustable output voltage range from 1.225V to 10V, set via external resistors. It offers a maximum initial accuracy of ±0.5% and a typical temperature coefficient of 100ppm/°C. The minimum operating current is 60µA, with a maximum cathode current of 12mA. It exhibits low dynamic impedance and noise (20µVRMS), ensuring stability with any capacitive load without requiring an external stabilizing capacitor.

Voltage Reference Feature Summary

• Adjustable reverse breakdown voltage configuration using external resistor dividers
• Stable operation with any capacitive load without external stabilization components
• Low dynamic impedance and low noise characteristics for precision applications
• Extended industrial temperature range capability for harsh environments

Voltage Reference Applications

• Data acquisition systems requiring stable reference voltages
• Portable battery-powered equipment due to micropower consumption
• Precision audio circuits needing low noise performance
• Process control instrumentation and test equipment

Voltage Reference Procurement Notes

Verify the specific suffix 'DIM3' confirms the SOT-23-3 package and extended temperature grade (-40°C to +125°C). Confirm the 'ADJ' designation indicates the adjustable version rather than fixed voltage options. Ensure the 'NOPB' suffix denotes lead-free and RoHS compliance status as per manufacturer specifications. Cross-reference the full part number against official Texas Instruments databases to confirm current production status and availability.

Voltage Reference Selection Notes

Select this component when an adjustable reference voltage between 1.225V and 10V is required in a space-constrained design. It is suitable for applications demanding high accuracy (±0.5%) and low drift over wide temperature variations. Consider this part for portable devices where minimizing quiescent current is critical. Ensure the circuit design accommodates the minimum operating current of 60µA for proper regulation.

Voltage Reference Part Context

This device belongs to the LM4041-N family of precision shunt voltage references. It shares core architectural features with other variants in the series, such as the LM4041CIM3X-1.2/NOPB, but differs in its adjustable output capability and extended temperature rating. The family utilizes fuse and Zener-zap trimming during wafer sort to achieve tight initial accuracy tolerances across different grades.

Voltage Reference Replacement Considerations

LM4041DIM3X-ADJ/NOPB: Pin-compatible variant with identical electrical characteristics and temperature range.

Voltage Reference FAQ

Does the LM4041DIM3-ADJ/NOPB require an external capacitor for stability?

No, the advanced design eliminates the need for an external stabilizing capacitor while ensuring stability with any capacitive load.

What is the adjustable output voltage range for this part?

The output voltage can be adjusted from 1.225V to 10V using an external resistor divider network.