LM4041D12IDBZTG4

Voltage Reference Overview

The LM4041D12IDBZTG4 is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 1.225 V with an initial accuracy tolerance of ±1%. The device operates within a temperature range of -40°C to +85°C and features a temperature coefficient of 150 ppm/°C. It utilizes a SOT-23-3 surface-mount package and supports a maximum cathode current of 12 mA, with a minimum operating current of 60 µA. The component exhibits low dynamic impedance and low output noise, ensuring stable performance without requiring external capacitors.

Voltage Reference Feature Summary

• Provides a fixed 1.225 V reference voltage with ±1% initial accuracy for precise circuit regulation.
• Operates as a micropower shunt reference with a wide working current range from 60 µA to 12 mA.
• Ensures stability without external capacitors due to low dynamic impedance characteristics.
• Features low output noise and low temperature coefficient for reliable performance in sensitive applications.

Voltage Reference Applications

• Data acquisition systems requiring stable reference voltages
• Portable battery-powered equipment where power consumption is critical
• Process control instrumentation and measurement devices

Voltage Reference Procurement Notes

Verify the specific suffix 'G4' indicates lead-free compliance and RoHS standards when sourcing. Confirm the package type matches the required PCB footprint, as variations exist within the LM4041 family. Ensure the selected variant meets the specific temperature and accuracy requirements for the target application environment.

Voltage Reference Selection Notes

Select this component when a fixed 1.225 V reference is needed with moderate precision. Consider the ±1% tolerance and 150 ppm/°C temperature coefficient against stricter requirements. Evaluate the SOT-23-3 package size constraints and the micropower operational range for compatibility with the system's power budget.

Voltage Reference Part Context

This part belongs to the LM4041 series of precision micropower shunt voltage references from Texas Instruments. The series offers various accuracy grades and output voltages, including adjustable options. The LM4041D12IDBZTG4 specifically represents the D-grade accuracy variant with a fixed 1.225 V output in a compact surface-mount package.

Voltage Reference Replacement Considerations

LM4041D12IDBZR is a compatible alternative within the same series offering identical electrical specifications and functionality.