LM4128CMFX-1.8/NOPB

$0.83

Description：IC VREF SERIES 0.5% SOT23-5
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)

SKU:2335f38f11bc Category: Voltage Reference Brand: Texas Instruments

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Product introduction

LM4128CMFX-1.8/NOPB is listed in the Voltage Reference range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC VREF SERIES 0.5% SOT23-5. Review the specifications below when checking this part for your BOM.

Voltage Reference specifications for LM4128CMFX-1.8/NOPB

Description：IC VREF SERIES 0.5% SOT23-5
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)
Output Type：Fixed
Voltage - Output (Min/Fixed)：1.8V
Voltage - Output (Max)：-
Current - Output：20 mA
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：SC-74A, SOT-753
Supplier Device Package：SOT-23-5
Grade：-
Qualification：-

Voltage Reference datasheet and documents for LM4128CMFX-1.8/NOPB

LM4128CMFX-1.8/NOPB

Voltage Reference Overview

The LM4128CMFX-1.8/NOPB is a precision micropower series voltage reference manufactured by Texas Instruments, housed in a SOT-23-5 surface-mount package. It provides a fixed output voltage of 1.8 V with an initial accuracy of 0.5%. The device operates within a temperature range of -40°C to +125°C and features a temperature coefficient of 100 ppm/°C. Key electrical specifications include a maximum input voltage of 6 V, a maximum shunt current of 20 mA, and a typical operating supply current of 60 µA.

Voltage Reference Feature Summary

Provides stable reference voltage with low power consumption suitable for battery-powered applications
Offers high precision performance with tight initial accuracy tolerance
Designed for reliable operation across extended industrial temperature ranges

Voltage Reference Applications

Portable instrumentation requiring precise voltage references
Battery-operated measurement systems
Data acquisition systems needing stable analog references

Voltage Reference Procurement Notes

Verify the complete part number including suffixes such as NOPB and packaging options like Cut Tape or Reel when ordering. Confirm that the specific variant matches the required accuracy grade and temperature rating for your design. Ensure compatibility with the target PCB footprint for the SOT-23-5 package during procurement planning.

Voltage Reference Selection Notes

Select this component when a fixed 1.8 V reference is required with moderate precision and ultra-low quiescent current. Consider the 0.5% initial accuracy and 100 ppm/°C temperature coefficient against application requirements. Evaluate the 60 µA supply current impact on total system power budget compared to higher current alternatives.

Voltage Reference Part Context

This component belongs to the LM4128 family of micropower series voltage references from Texas Instruments. The family offers various fixed output voltages and accuracy grades in compact packages. The CMFX designation indicates the commercial temperature grade and tape-and-reel packaging format within the broader product line.