LM4041C12ILPR

Voltage Reference Overview

The LM4041C12ILPR is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed nominal output voltage of 1.225 V with an initial accuracy tolerance of ±0.5%. The device operates within a temperature range of -40°C to +85°C and features a maximum temperature coefficient of 100 ppm/°C. It supports a wide operating current range from a typical minimum of 45 µA up to a maximum of 12 mA. The component utilizes a SC-70-5 surface-mount package and maintains stability across all capacitive loads without requiring external output capacitors.

Voltage Reference Feature Summary

• Provides stable reference voltage across all capacitive loads without requiring external output capacitors
• Utilizes low dynamic impedance and low noise characteristics for consistent performance
• Offers flexible selection of accuracy grades to optimize cost-performance ratios

Voltage Reference Applications

• Data acquisition systems
• Portable battery-powered equipment
• Precision audio applications

Voltage Reference Procurement Notes

Verify the specific suffix ILPR corresponds to the SC-70-5 package and industrial temperature range (-40°C to +85°C). Confirm the C-grade designation indicates the ±0.5% accuracy level. Ensure compatibility with the target circuit's current requirements, noting the minimum operating current is typically 45 µA. Cross-reference the manufacturer datasheet for any recent product change notices or obsolescence status before finalizing procurement.

Voltage Reference Selection Notes

Select this component when a fixed 1.225 V reference is required in a compact SC-70-5 footprint. It is suitable for designs needing ±0.5% initial accuracy and operation up to 85°C. Consider the LM4041 family if adjustable outputs or higher accuracy grades (A or B) are needed instead. Ensure the application can provide the minimum bias current of 45 µA for proper regulation.

Voltage Reference Part Context

The LM4041 series consists of precision micropower shunt voltage references available in various packages including SOT-23, SC-70, and TO-92. The C-grade variants offer ±0.5% accuracy, while other grades provide tighter tolerances. The series includes both fixed and adjustable versions, designed for low power consumption and high stability in portable and industrial applications.

Voltage Reference Replacement Considerations

LM4041C12IDBZR

Voltage Reference FAQ

Does the LM4041C12ILPR require an output capacitor for stability?

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

What is the minimum operating current for this device?

The typical minimum operating current is 45 µA.