LM4041CIX3-1.2+T

Voltage Reference Overview

The LM4041CIX3-1.2+T is a precision micropower shunt voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed reverse breakdown voltage of 1.225V with an initial accuracy of 0.5% at +25°C and a maximum temperature coefficient of 100ppm/°C. The device operates within a wide current range of 60µA to 12mA and features low dynamic impedance for stable performance across varying loads. It is housed in a subminiature 3-pin SC70 surface-mount package measuring 1.8mm x 1.8mm, designed for space-critical applications. The component is guaranteed to function over the industrial temperature range of -40°C to +85°C.

Voltage Reference Feature Summary

• Ultra-small 3-pin SC70 surface-mount package
• No external stabilizing capacitor required
• Capable of tolerating capacitive loads
• Low output noise specification

Voltage Reference Applications

• Portable, battery-powered equipment
• Notebook computers
• Cell phones
• Industrial process controls

Voltage Reference Procurement Notes

Verify that the ordering suffix matches the specific requirements for temperature range and package type. Confirm lead-free/RoHS compliance status as indicated by the plus sign in the part number. Ensure the selected grade meets the necessary initial accuracy specifications for the intended circuit design before finalizing procurement.

Voltage Reference Selection Notes

Select this component when a compact footprint is critical due to its SC70 package size being significantly smaller than standard SOT23 alternatives. Consider the 0.5% initial accuracy grade if tighter tolerances are not required. Verify that the operating environment stays within the specified -40°C to +85°C range and that the load current remains between 60µA and 12mA for optimal regulation.

Voltage Reference Part Context

This device belongs to the LM4041 series of improved precision micropower shunt voltage references. The series includes variants with different accuracy grades (0.1%, 0.2%, 0.5%, 1%) and temperature ranges (-40°C to +85°C or -40°C to +125°C). The 'C' indicates the 0.5% accuracy grade, while 'IX3' specifies the SC70-3 package and industrial temperature rating.

Voltage Reference Replacement Considerations

LM4041AIM3-1.2+T offers higher 0.1% accuracy in the same SOT23-3 package. LM4041CEX3-1.2+T provides the same 0.5% accuracy but in the SC70-3 package with an extended temperature range up to +125°C.