LM4041C12ILP

Overview

The LM4041C12ILP is a precision shunt voltage reference from Texas Instruments, providing a fixed nominal output of 1.225V with an initial accuracy of ±0.5%. It operates within an industrial temperature range of -40°C to +85°C and features a maximum temperature coefficient of 100 ppm/°C. The device supports a wide operating current range from 45µA to 12mA and maintains stability across all capacitive loads without requiring external output capacitors.

Feature Summary

• Provides stable reference voltage without external output capacitors
• Offers low dynamic impedance and low noise performance
• Supports wide operating current range for flexible design
• Ensures high precision with tight initial accuracy tolerance

Applications

• Data acquisition systems
• Power supply monitoring circuits
• Precision audio equipment
• Battery-powered devices

Procurement Notes

Verify the specific package type and suffix codes against official datasheets to ensure compatibility with your PCB layout and thermal requirements. Confirm that the component meets the required industrial temperature specifications for your application environment before finalizing procurement decisions.

Selection Notes

Select this component when a fixed 1.225V reference with ±0.5% accuracy is required in a through-hole TO-92-3 package. It is suitable for applications needing low power consumption and high stability over a wide temperature range without complex external compensation networks.

Part Context

This part belongs to the LM4041 series of micropower shunt voltage references designed for portable and general-purpose applications. The series offers various accuracy grades and output voltages, utilizing Zener-zap trimming for precise voltage control during manufacturing.

Replacement Considerations

LM4041C12IDBZT (SOT-23-3 package)

FAQ

Does the LM4041C12ILP require an output capacitor for stability?

No, the device is designed to be stable with any capacitive load and does not require an external output capacitor.

What is the minimum operating current for this reference?

The typical minimum operating current is 45µA, allowing for efficient operation in battery-powered applications.