SA56004ED,112 Temperature Sensor - Equivalent & Substitute Parts

Part Overview

The SA56004ED,112 is a digital temperature sensor manufactured by NXP USA Inc., designed for local and remote temperature monitoring across the -40°C to 125°C range. This component features I2C/SMBus output, 10-bit resolution, and programmable limit functionality in an 8-SOIC surface mount package. The product is currently obsolete, making equivalent substitute parts necessary for ongoing system support and new design implementations.

Key Parameters

Parameter	SA56004ED,112
Sensor Type	Digital, Local/Remote
Sensing Temperature Range	-40°C ~ 125°C
Output Type	I2C/SMBus
Voltage Supply	3V ~ 5.5V
Resolution	10 bits
Accuracy	±2°C (60°C ~ 100°C), ±3°C (-40°C ~ 125°C)
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the SA56004ED,112 is determined by the following critical parameters:

Primary Compatibility Criteria:

Package type: 8-SOIC form factor (0.154", 3.90mm Width)
Communication protocol: I2C/SMBus interface
Sensor configuration: Digital, Local/Remote temperature measurement
Supply voltage overlap: Minimum 3V operation
Temperature range coverage: Capability to operate across -40°C to 125°C
Resolution: 10-bit or higher

Substitute Categories:

Category A - Direct Functional Equivalents (Active Status): TMP411ADR, TMP411BDR, and TMP411CDR provide full parameter compatibility with the SA56004ED,112. These parts maintain identical package geometry, I2C/SMBus protocol, -40°C to 125°C operating range, and superior 11-bit resolution with ±1°C accuracy in the primary test range.

Category B - Extended Temperature Range Alternatives (Active Status): LM86CIMX/NOPB and LM89CIMX/NOPB operate within 0°C to 85°C sensing range with 3V to 3.6V supply voltage. These parts are suitable for applications where the full -40°C to 125°C range is not required.

Category C - Enhanced Resolution Alternative (Active Status): LM95245CIMX/NOPB extends resolution to 12 bits (remote) while maintaining -40°C to 85°C local sensing range and 3V to 3.6V supply voltage.

Parameter Comparison

Part Number	Manufacturer	Sensor Type	Local Temp Range	Remote Temp Range	Output Type	Supply Voltage	Resolution	Accuracy	Package	Status
SA56004ED,112	NXP USA Inc.	Digital, Local/Remote	-40°C ~ 125°C	-40°C ~ 125°C	I2C/SMBus	3V ~ 5.5V	10 b	±2°C / ±3°C	8-SOIC	Obsolete
TMP411ADR	Texas Instruments	Digital, Local/Remote	-40°C ~ 125°C	-64°C ~ 191°C	I2C/SMBus	2.7V ~ 5.5V	11 b	±1°C / ±2.5°C	8-SOIC	Active
TMP411BDR	Texas Instruments	Digital, Local/Remote	-40°C ~ 125°C	-64°C ~ 191°C	I2C/SMBus	2.7V ~ 5.5V	11 b	±1°C / ±2.5°C	8-SOIC	Active
TMP411CDR	Texas Instruments	Digital, Local/Remote	-40°C ~ 125°C	-64°C ~ 191°C	I2C/SMBus	2.7V ~ 5.5V	11 b	±1°C / ±2.5°C	8-SOIC	Active
LM86CIMX/NOPB	Texas Instruments	Digital, Local/Remote	0°C ~ 85°C	0°C ~ 85°C	SMBus	3V ~ 3.6V	7 b / 10 b	±3°C	8-SOIC	Active
LM89CIMX/NOPB	National Semiconductor	Digital, Local/Remote	0°C ~ 85°C	0°C ~ 85°C	SMBus	3V ~ 3.6V	7 b / 10 b	±3°C	8-SOIC	Active
LM95245CIMX/NOPB	Texas Instruments	Digital, Local/Remote	-40°C ~ 85°C	-40°C ~ 85°C	SMBus	3V ~ 3.6V	10 b / 12 b	±2°C / ±6°C	8-SOIC	Active

Engineering Selection Recommendations

For Full Parameter Replacement: Select TMP411ADR, TMP411BDR, or TMP411CDR when the application requires complete functional equivalence to SA56004ED,112. These parts maintain identical local and remote temperature sensing ranges (-40°C to 125°C), I2C/SMBus protocol compatibility, and 8-SOIC package geometry. All three variants are ROHS3 compliant and carry Active product status, ensuring long-term availability. TMP411ADR and TMP411CDR are currently obsolete; TMP411BDR and TMP411CDR are available in active status with high inventory levels.

For Limited Temperature Range Applications: LM86CIMX/NOPB and LM89CIMX/NOPB are suitable alternatives when system requirements do not exceed 0°C to 85°C operating range. These parts reduce supply voltage requirements to 3V to 3.6V and maintain SMBus protocol compatibility. Both are ROHS3 compliant with active product status.

For Enhanced Resolution Requirements: LM95245CIMX/NOPB provides 12-bit remote resolution compared to the SA56004ED,112's 10-bit specification. This part operates within -40°C to 85°C local range and requires 3V to 3.6V supply voltage. It is ROHS3 compliant and carries active product status.

All recommended substitutes are ROHS3 compliant and REACH unaffected, meeting regulatory requirements equivalent to the original part.

Frequently Asked Questions (FAQ)

Q: Can TMP411 series parts directly replace SA56004ED,112 without firmware modification?

A: TMP411ADR, TMP411BDR, and TMP411CDR maintain I2C/SMBus protocol compatibility and identical 8-SOIC package geometry. Register-level compatibility requires verification against specific firmware implementation, as command sets may differ between NXP and Texas Instruments designs.

Q: What is the primary limitation of LM86CIMX/NOPB and LM89CIMX/NOPB as substitutes?

A: These parts operate within 0°C to 85°C sensing range, which does not cover the full -40°C to 125°C range of SA56004ED,112. Supply voltage is also limited to 3V to 3.6V versus the original part's 3V to 5.5V capability. Selection is appropriate only for applications operating within these narrower specifications.

Q: Are all substitute parts available in the same packaging options?

A: All recommended substitutes use 8-SOIC (0.154", 3.90mm Width) surface mount packages. Packaging variants (Tube, Cut Tape, Tape & Reel) differ by part number suffix. Verify specific packaging availability with supplier documentation.

Q: What accuracy improvement does TMP411 series provide over SA56004ED,112?

A: TMP411 series achieves ±1°C accuracy in the 15°C to 85°C test range compared to SA56004ED,112's ±2°C specification. At extended temperature extremes (-40°C to 125°C), TMP411 maintains ±2.5°C accuracy versus SA56004ED,112's ±3°C.

Q: Is supply voltage compatibility a concern when substituting?

A: TMP411 series accepts 2.7V to 5.5V supply voltage, providing broader compatibility than SA56004ED,112's 3V to 5.5V range. LM86/LM89 series and LM95245 require 3V to 3.6V supply, which is more restrictive. Verify system supply voltage specifications before selection.

Q: Do all substitutes support programmable limit functionality?

A: TMP411 series (ADR, BDR, CDR variants) include programmable limit and programmable resolution features. LM86/LM89 series and LM95245 support programmable limit functionality. Feature parity exists across all recommended alternatives.

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