LM4041DH5TA

Voltage Reference Overview

The LM4041DH5TA is a precision micropower shunt voltage reference manufactured by Diodes Incorporated. It provides a fixed output voltage of 1.225V with an initial accuracy tolerance of ±1% at +25°C. The device operates within a wide current range from 60µA to 12mA and features a maximum temperature coefficient of 100ppm/°C. Designed for extended industrial environments, it supports operating temperatures from -40°C to +125°C. The component utilizes a compact SOT353 (SC-70-5) surface-mount package.

Voltage Reference Feature Summary

• Provides stable 1.225V reference without requiring external stabilization capacitors
• Maintains stability under highly capacitive load conditions
• Offers low output noise performance across the operational bandwidth

Voltage Reference Applications

• Battery powered equipment
• Precision power supplies
• Portable instrumentation
• Data acquisition systems

Voltage Reference Procurement Notes

Verify that the specific ordering suffix 'H5' corresponds to the SOT353 package configuration as documented in the manufacturer's official datasheet. Confirm compliance with RoHS 3 standards and ensure the selected grade meets the required ±1% tolerance specifications for the intended application environment.

Voltage Reference Selection Notes

Select this component when space constraints require a small outline SOT353 footprint while maintaining high precision requirements. Ensure the design accommodates the specified 60µA minimum operating current and verify that the thermal dissipation capabilities of the package are sufficient for the expected junction temperature limits.

Voltage Reference Part Context

This part belongs to the LM4041 family of bandgap circuits designed for applications where saving board space is critical. It serves as a pin-for-pin compatible alternative to other variants within the series, offering both adjustable and fixed output options in various surface-mount packages.

Voltage Reference Replacement Considerations

LM4041CH5TA

Voltage Reference FAQ

Is an external capacitor required for stability?

No, the LM4041DH5TA is designed to be highly tolerant of capacitive loads and does not require an output capacitor for stability.

What is the electrical connection status of Pin 2 in the SOT353 package?

Pin 2 must be left floating or connected to Pin 1 due to the die attachment structure in the SOT353 package.