LM4041DIDBZRG4

Voltage Reference Overview

The LM4041DIDBZRG4 is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 1.225V with an initial accuracy of ±1%. The device features a temperature coefficient of 150 ppm/°C and operates within a wide current range from 60 µA to 12 mA. It is housed in a compact SOT-23-3 surface-mount package and supports an industrial operating temperature range of -40°C to +85°C.

Voltage Reference Feature Summary

• Provides a stable 1.225V fixed output voltage with ±1% initial accuracy
• Operates stably with all capacitive loads without requiring external compensation capacitors
• Designed for low-power applications with a minimum cathode current as low as 60 µA

Voltage Reference Applications

• Data acquisition systems
• Portable battery-powered equipment
• Process control instrumentation
• Precision audio circuits

Voltage Reference Procurement Notes

Verify the component status, as availability may vary due to lifecycle changes or supply chain constraints. Confirm that the specific suffix 'G4' denotes lead-free packaging compliance consistent with RoHS standards. Ensure the ordering part number matches the required tolerance grade (D series) and temperature range specifications before finalizing procurement orders.

Voltage Reference Selection Notes

Select this component when a fixed 1.225V reference is required in space-constrained designs utilizing SOT-23-3 packages. It is suitable for applications demanding low quiescent current operation down to 60 µA. Choose this variant over adjustable models if a precise, unchangeable reference voltage is needed without external resistor networks.

Voltage Reference Part Context

This part belongs to the LM4041 family of precision micropower shunt voltage references. The family includes various accuracy grades (A, B, C, D) and output voltages. The LM4041D specifically indicates the D-grade tolerance level. The 'DBZR' suffix denotes the SOT-23-3 surface-mount package and reel packaging format.

Voltage Reference FAQ

Does the LM4041DIDBZRG4 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 voltage reference?

The typical minimum cathode current is 60 µA, allowing for efficient operation in low-power battery-driven applications.