LM4051CIM3-1.2/NOPB

$1.73

Description：IC VREF SHUNT 0.5% SOT23-3
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:ac84a819a8b5 Category: Voltage Reference Brand: Texas Instruments

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Product introduction

LM4051CIM3-1.2/NOPB is listed in the Voltage Reference range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC VREF SHUNT 0.5% SOT23-3. Review the specifications below when checking this part for your BOM.

Voltage Reference specifications for LM4051CIM3-1.2/NOPB

Description：IC VREF SHUNT 0.5% SOT23-3
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Fixed
Voltage - Output (Min/Fixed)：1.225V
Voltage - Output (Max)：-
Current - Output：12 mA
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：TO-236-3, SC-59, SOT-23-3
Supplier Device Package：SOT-23-3
Grade：-
Qualification：-

Voltage Reference datasheet and documents for LM4051CIM3-1.2/NOPB

LM4051CIM3-1.2/NOPB

Voltage Reference Overview

The LM4051CIM3-1.2/NOPB is a precision micropower shunt voltage reference manufactured by Texas Instruments, designed for surface-mount applications in the SOT-23 package. It provides a fixed output voltage of 1.225 V with an initial accuracy of ±0.5%. The device operates within a temperature range of -40°C to +85°C and features a low temperature coefficient of 50 ppm/°C. Key electrical specifications include a maximum cathode current of 12 mA and a minimum operating current of 60 µA. The component is RoHS compliant and classified under the LM4051 series.

Voltage Reference Feature Summary

Precision micropower shunt voltage reference topology
Fixed 1.225 V output with ±0.5% initial accuracy
Low temperature coefficient of 50 ppm/°C
Micropower operation with 60 µA minimum current

Voltage Reference Applications

Portable battery-powered equipment
Handheld instruments
Microprocessor supply monitoring
Data acquisition systems

Voltage Reference Procurement Notes

Verify the specific suffix 'NOPB' indicates lead-free and halogen-free compliance as per manufacturer standards. Confirm the 'C' grade designation corresponds to the commercial temperature range (-40°C to +85°C) and ±0.5% accuracy tier. Ensure the SOT-23 package variant matches the required PCB footprint. Cross-reference the full part number against official Texas Instruments distribution channels to avoid counterfeit components.

Voltage Reference Selection Notes

Select this component when a stable, low-drift reference is required for space-constrained designs. The 1.225 V output is suitable for low-voltage ADC references or comparator thresholds. Consider the 12 mA maximum current limit for load driving capabilities. The micropower characteristic makes it ideal for extending battery life in portable devices compared to higher-current shunt references.

Voltage Reference Part Context

This part belongs to the LM4051 family of precision micropower shunt voltage references from Texas Instruments. The family offers various fixed voltage options and adjustable versions in compact packages like SOT-23. The LM4051 series is engineered for applications requiring high accuracy and low power consumption, distinguishing it from standard Zener diodes or higher-power bandgap references.