LM4128AMF-3.0/NOPB

Voltage Reference Overview

The LM4128AMF-3.0/NOPB is a precision micropower series voltage reference from Texas Instruments, housed in a SOT-23-5 package. It provides a fixed output voltage of 3 V with an initial accuracy of 0.1%. The device features a temperature coefficient of 75 ppm/°C and supports a maximum shunt current of 20 mA. It operates within an input voltage range up to 6 V and functions across a temperature range of -40°C to +125°C.

Voltage Reference Feature Summary

• Delivers high-precision voltage regulation with 0.1% initial accuracy for stable reference applications.
• Designed for low-power systems with micropower consumption characteristics suitable for battery-operated devices.
• Utilizes a compact SOT-23-5 surface-mount package to minimize board space requirements.

Voltage Reference Applications

• Portable instrumentation requiring precise voltage references
• Battery-powered measurement systems
• Data acquisition channels needing stable reference voltages

Voltage Reference Procurement Notes

Verify the specific suffix configuration against the official datasheet to ensure compatibility with design requirements. Confirm that the component meets all necessary environmental standards for the intended application environment before finalizing procurement decisions.

Voltage Reference Selection Notes

Select this component when a 3 V reference with 0.1% accuracy is required in a small form factor. Ensure the load current does not exceed the 20 mA limit and that the input voltage remains within the specified maximum range for proper operation.

Voltage Reference Part Context

This part belongs to the LM4128 family of precision micropower shunt voltage references. It shares architectural similarities with other variants in the series but is distinguished by its specific 3 V output voltage and 0.1% accuracy grade, tailored for high-precision analog circuits.

Voltage Reference Replacement Considerations

LM4128AMF-3.0 is a direct equivalent part number variant. Other family members like LM4128BMF-3.0 offer similar functionality with potentially different accuracy grades.