LM60CIM3X Temperature Sensor Equivalent & Substitute Parts

Part Overview

The LM60CIM3X is an analog local temperature sensor manufactured by Texas Instruments, designed for temperature measurement applications across the -40°C to 125°C range. This part operates with a supply voltage of 2.7V to 10V and delivers a 6.25mV/°C output resolution. The LM60CIM3X is classified as "Not For New Designs," indicating it has been superseded. Finding equivalent substitute parts is necessary for ongoing production support, legacy system maintenance, and design continuity where this sensor specification is required.

Key Parameters

Parameter	Value
Sensor Type	Analog, Local
Sensing Temperature Range	-40°C ~ 125°C
Output Type	Analog Voltage
Supply Voltage	2.7V ~ 10V
Resolution	6.25mV/°C
Accuracy (Highest/Lowest)	±3°C / ±4°C
Package Type	SOT-23-3 (TO-236-3, SC-59)
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitution eligibility for the LM60CIM3X is determined by the following critical parameters: sensor type (analog, local), temperature sensing range (-40°C to 125°C), output type (analog voltage), package format (SOT-23-3), and mounting method (surface mount). All identified substitute parts meet these core requirements.

The substitute parts are grouped into two categories:

Direct Manufacturer Equivalent: LM60CIM3X/NOPB is the direct Texas Instruments equivalent with identical electrical specifications and packaging.

Cross-Manufacturer Alternatives: DS60R+T&R (Analog Devices Inc./Maxim Integrated), TC1047AVNBTR, and TC1047VNBTR (Microchip Technology) provide functional equivalence with variations in supply voltage range, resolution, and accuracy specifications.

Parameter Comparison

Parameter	LM60CIM3X	LM60CIM3X/NOPB	DS60R+T&R	TC1047AVNBTR	TC1047VNBTR
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices Inc./Maxim Integrated	Microchip Technology	Microchip Technology
Sensor Type	Analog, Local	Analog, Local	Analog, Local	Analog, Local	Analog, Local
Temperature Range	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Output Type	Analog Voltage	Analog Voltage	Analog Voltage	Analog Voltage	Analog Voltage
Supply Voltage	2.7V ~ 10V	2.7V ~ 10V	2.7V ~ 5.5V	2.5V ~ 5.5V	2.7V ~ 4.4V
Resolution	6.25mV/°C	6.25mV/°C	6.25mV/°C	10mV/°C	10mV/°C
Accuracy (Highest/Lowest)	±3°C / ±4°C	±3°C / ±4°C	±2°C / ±3°C	±2°C / ±3°C	±2°C / ±3°C
Package	SOT-23-3	SOT-23-3	SOT-23-3	SOT-23-3	SOT-23-3
Product Status	Not For New Designs	Active	Active	Active	Active
RoHS Status	RoHS Non-Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

LM60CIM3X/NOPB is the preferred direct substitute. It maintains identical electrical specifications and packaging while offering Active product status and ROHS3 compliance, addressing the obsolescence status of the original LM60CIM3X.

DS60R+T&R provides improved accuracy (±2°C versus ±3°C at 25°C) and includes standby mode functionality. Supply voltage is limited to 2.7V–5.5V, which may require circuit redesign if the original design utilized the full 10V supply range.

TC1047AVNBTR and TC1047VNBTR offer superior accuracy (±2°C) and are manufactured by Microchip Technology. Both use 10mV/°C resolution instead of 6.25mV/°C, requiring analog-to-digital converter calibration adjustments. TC1047AVNBTR supports 2.5V–5.5V supply, while TC1047VNBTR operates at 2.7V–4.4V. These parts are suitable for applications where higher resolution output is acceptable.

All substitute parts maintain ROHS3 compliance and REACH unaffected status, supporting modern regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can LM60CIM3X/NOPB be used as a direct replacement for LM60CIM3X?

A: Yes. LM60CIM3X/NOPB is the direct Texas Instruments equivalent with identical electrical specifications, resolution, accuracy, and SOT-23-3 packaging. The primary difference is product status (Active versus Not For New Designs) and RoHS compliance improvement.

Q: What is the key difference between the LM60 series and TC1047 series substitutes?

A: Resolution differs. LM60CIM3X and LM60CIM3X/NOPB output 6.25mV/°C, while TC1047AVNBTR and TC1047VNBTR output 10mV/°C. This requires recalibration of signal conditioning circuits and analog-to-digital conversion firmware.

Q: Are supply voltage differences critical when selecting a substitute?

A: Yes. The original LM60CIM3X supports 2.7V–10V. DS60R+T&R limits supply to 2.7V–5.5V, TC1047AVNBTR to 2.5V–5.5V, and TC1047VNBTR to 2.7V–4.4V. Verify your circuit's supply voltage compatibility before substitution.

Q: Do all substitute parts use the same SOT-23-3 package?

A: Yes. All listed substitutes use SOT-23-3 (TO-236-3, SC-59) packaging, ensuring mechanical and thermal compatibility with existing PCB layouts.

Q: Which substitute offers the best accuracy?

A: DS60R+T&R, TC1047AVNBTR, and TC1047VNBTR all provide ±2°C accuracy at their respective test conditions, compared to ±3°C for the LM60CIM3X at 25°C.

Q: Are all substitutes RoHS compliant?

A: LM60CIM3X/NOPB, DS60R+T&R, TC1047AVNBTR, and TC1047VNBTR are all ROHS3 compliant. The original LM60CIM3X is RoHS non-compliant.

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