LM4040D41ILP

Overview

The LM4040D41ILP is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 4.096V with an initial accuracy of ±1% and a maximum temperature coefficient of 150ppm/°C. The device operates within a cathode current range from a typical minimum of 45μA up to 15mA. It is housed in a TO-92 package and supports an industrial ambient temperature range of -40°C to +85°C.

Feature Summary

• Provides stable reference voltage without requiring external capacitors for operation
• Maintains low dynamic impedance and low noise characteristics across operating conditions
• Capable of handling wide variations in operating currents and temperatures

Applications

• Data-acquisition systems
• Energy infrastructure monitoring
• Analog input modules
• Field transmitters
• Precision audio circuits

Procurement Notes

Verify the specific suffix 'ILP' against the manufacturer's latest Package Option Addendum to confirm the exact pinout and physical dimensions for the TO-92 configuration. Ensure the D-grade tolerance specifications align with the design requirements before finalizing procurement orders.

Selection Notes

Select this component when a fixed 4.096V reference is required in a through-hole TO-92 package. The D-grade offers a balance of cost and performance with 1% accuracy, suitable for general-purpose applications where extreme precision is not critical.

Part Context

This part belongs to the LM4040 series of shunt voltage references. The series includes various grades (A, B, C, D) offering different accuracy levels and temperature coefficients. The 'I' suffix indicates the industrial temperature range, while 'Q' denotes extended range options.

FAQ

Does the LM4040D41ILP require an output capacitor?

No, the device is stable with all capacitive loads and does not require an external output capacitor for operation.

What is the minimum operating current for this device?

The typical minimum cathode current is 45μA at 25°C, ensuring efficient operation in low-power applications.