LM95235CIMM Temperature Sensor - Equivalent & Substitute Parts

Part Overview

The LM95235CIMM is a digital temperature sensor manufactured by Texas Instruments, designed for local and remote temperature monitoring across the 0°C to 90°C range. This component features SMBus output, dual-resolution capability (10-bit local, 12-bit remote), and operates on 3V to 3.6V supply voltage. The product is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing system support.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Part Number	LM95235CIMM
Category	Temperature Sensors
Sensor Type	Digital, Local/Remote
Sensing Temperature Range (Local)	0°C ~ 90°C
Sensing Temperature Range (Remote)	0°C ~ 90°C
Output Type	SMBus
Supply Voltage	3V ~ 3.6V
Resolution	10 b (Local), 12 b (Remote)
Accuracy	±2°C
Operating Temperature	-40°C ~ 125°C
Package Type	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution eligibility for the LM95235CIMM is determined by the following critical parameters:

Primary Substitution Criteria:

Sensor type: Digital, Local/Remote configuration
Output interface: SMBus or I2C/SMBus compatibility
Package footprint: 8-TSSOP or 8-MSOP (0.118", 3.00mm Width)
Supply voltage range: Minimum 3V support
Mounting type: Surface Mount

Secondary Compatibility Factors:

Sensing temperature range overlap with application requirements
Resolution capability (minimum 8-bit)
Accuracy specification within ±2.5°C
Operating temperature range coverage

The substitute parts listed below meet these criteria with varying degrees of parameter alignment. Direct equivalents maintain identical or superior specifications across all critical parameters. Functional alternatives provide equivalent performance within the specified operating envelope while potentially offering extended temperature ranges or improved accuracy.

Parameter Comparison

Parameter	LM95235CIMM	LM95235CIMM/NOPB	ADT7461AARMZ-R	ADM1032ARMZ-REEL	SA56004ADP,118	SA56004CDP,118	SA56004EDP,118
Manufacturer	Texas Instruments	Texas Instruments	onsemi	Analog Devices Inc.	NXP USA Inc.	NXP USA Inc.	NXP USA Inc.
Sensor Type	Digital, Local/Remote	Digital, Local/Remote	Digital, Local/Remote	Digital, Local/Remote	Digital, Local/Remote	Digital, Local/Remote	Digital, Local/Remote
Sensing Temperature - Local	0°C ~ 90°C	0°C ~ 90°C	-40°C ~ 120°C	Not specified	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Sensing Temperature - Remote	0°C ~ 90°C	0°C ~ 90°C	-64°C ~ 191°C	Not specified	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Output Type	SMBus	SMBus	SMBus	Not specified	I2C/SMBus	I2C/SMBus	I2C/SMBus
Supply Voltage	3V ~ 3.6V	3V ~ 3.6V	3V ~ 3.6V	Not specified	3V ~ 5.5V	3V ~ 5.5V	3V ~ 5.5V
Resolution	10 b (Local), 12 b (Remote)	10 b (Local), 12 b (Remote)	8 b	Not specified	10 b	10 b	10 b
Accuracy	±2°C	±2°C	±1°C (±2.5°C)	Not specified	±2°C (±3°C)	±2°C (±3°C)	±2°C (±3°C)
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 120°C	Not specified	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Package Type	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	Not specified	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP
Product Status	Obsolete	Obsolete	Active	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalent (Preferred for Existing Designs): LM95235CIMM/NOPB is the direct equivalent with identical electrical specifications and package footprint. This part maintains full compatibility with existing PCB layouts and firmware implementations. The primary distinction is packaging format (Tape & Reel vs. individual units) and RoHS3 compliance status. Inventory availability is significantly higher (6082 Pcs vs. 1862 Pcs), supporting production continuity.

Active Product Alternatives (Recommended for New Designs): The SA56004 series (SA56004ADP,118, SA56004CDP,118, SA56004EDP,118) from NXP USA Inc. represents the most direct active product replacement. These parts maintain 10-bit resolution, SMBus/I2C compatibility, identical package footprint, and extended operating temperature range (-40°C to 125°C). All variants are ROHS3 compliant and carry active product status. Selection among the three variants depends on packaging requirements: ADP for Tape & Reel, CDP for Tape & Reel, and EDP for Cut Tape & Digi-Reel.

Extended Temperature Range Alternative: ADT7461AARMZ-R from onsemi provides extended remote sensing temperature range (-64°C to 191°C) and improved accuracy (±1°C at 0°C to 70°C). Resolution is reduced to 8-bit. This option suits applications requiring broader temperature monitoring capability. ROHS3 compliant and active product status.

Functional Alternative: ADM1032ARMZ-REEL from Analog Devices Inc. is listed as an alternative with active product status. Detailed parameter specifications are not provided in the available data, requiring direct manufacturer consultation for compatibility verification.

Frequently Asked Questions (FAQ)

Q: Can LM95235CIMM be directly replaced with LM95235CIMM/NOPB? A: Yes. Both parts are identical in electrical specifications and package footprint. The primary difference is packaging format (Tape & Reel vs. individual units) and RoHS3 compliance status of the /NOPB variant. Firmware and PCB layout compatibility is maintained.

Q: What is the key difference between LM95235CIMM and SA56004 series substitutes? A: The SA56004 series extends the operating temperature range to -40°C to 125°C (vs. 0°C to 90°C for LM95235CIMM) and provides ROHS3 compliance with active product status. Electrical interface (SMBus/I2C), package footprint (8-TSSOP/8-MSOP), and 10-bit resolution remain equivalent. The SA56004 series is recommended for new designs due to active product availability.

Q: Is the ADT7461AARMZ-R a suitable substitute if resolution is critical? A: ADT7461AARMZ-R provides 8-bit resolution compared to the 10-bit (local) and 12-bit (remote) resolution of LM95235CIMM. This represents a reduction in measurement granularity. However, accuracy is improved (±1°C vs. ±2°C). Suitability depends on application requirements for resolution vs. accuracy trade-off.

Q: What packaging options are available for the SA56004 substitute? A: Three packaging variants are available: SA56004ADP,118 (Tape & Reel), SA56004CDP,118 (Tape & Reel), and SA56004EDP,118 (Cut Tape & Digi-Reel). All maintain identical electrical specifications and 8-TSSOP/8-MSOP footprint. Selection depends on procurement and assembly process requirements.

Q: Are all substitute parts RoHS3 compliant? A: LM95235CIMM is RoHS non-compliant. LM95235CIMM/NOPB and all SA56004 variants (ADP, CDP, EDP) are ROHS3 compliant. ADT7461AARMZ-R is ROHS3 compliant. For applications requiring RoHS compliance, the SA56004 series or ADT7461AARMZ-R are appropriate selections.

Q: Can these parts be used interchangeably in existing designs? A: Electrical and package compatibility is maintained across all listed substitutes. However, firmware verification is required to confirm SMBus/I2C command compatibility, particularly for extended temperature range variants. Extended temperature range parts (SA56004, ADT7461AARMZ-R) may require firmware updates to utilize full operating range capabilities.

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