LM4041DQFTA

Voltage Reference Overview

The LM4041DQFTA is a precision micro-power shunt voltage reference manufactured by Diodes Incorporated. It provides a fixed output voltage of 1.225V with an initial 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 applications, it supports an operating ambient temperature range of -40°C to +125°C. The component utilizes SOT23 surface-mount packaging.

Voltage Reference Feature Summary

• Provides stable 1.225V reference without requiring external output capacitors
• Maintains stability across all capacitive load conditions
• Delivers low output noise performance in the 10Hz to 10kHz bandwidth
• Offers high reliability qualification suitable for demanding environments

Voltage Reference Applications

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

Voltage Reference Procurement Notes

Verify that the specific ordering suffix matches the required package type and reel specifications. Confirm the grade designation aligns with the necessary voltage tolerance for the design. Ensure the manufacturer source is authorized to guarantee product authenticity and adherence to standard terms of sale.

Voltage Reference Selection Notes

Select this component when a compact surface-mount solution is required for space-constrained designs. Choose this part if the application demands operation over an extended temperature range up to 125°C. Consider this reference for circuits requiring stable performance under varying capacitive loads without additional compensation components.

Voltage Reference Part Context

This device belongs to the LM4041 series of bandgap voltage references designed for precision applications. The series includes adjustable variants and different accuracy grades. It serves as a pin-for-pin compatible alternative to other industry-standard references while offering improved thermal characteristics and robustness against capacitive loading effects.

Voltage Reference Replacement Considerations

LM4041DFTA

Voltage Reference FAQ

Is an external capacitor required for stability?

No, the LM4041 is designed to be highly tolerant of capacitive loads and does not require an external output capacitor to maintain stability.

What is the minimum operating current?

The minimum operating current is specified as 60µA at +25°C, ensuring proper regulation even in low-power scenarios.