SA56004HD,112 Temperature Sensor - Equivalent & Substitute Parts

Part Overview

The SA56004HD,112 is a digital temperature sensor manufactured by NXP Semiconductors designed for local and remote temperature measurement 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 part is currently obsolete, making equivalent substitutes necessary for new designs and ongoing production requirements.

Key Parameters

Parameter	SA56004HD,112
Manufacturer	NXP Semiconductors
Sensor Type	Digital, Local/Remote
Sensing Temperature Range	-40°C ~ 125°C
Output Type	I2C/SMBus
Supply Voltage	3V ~ 5.5V
Resolution	10 bits
Accuracy	±2°C (60°C ~ 100°C), ±3°C (-40°C ~ 125°C)
Package	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Features	Output Switch, Programmable Limit
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the SA56004HD,112 is determined by the following critical parameters:

Primary Substitution Criteria:

Sensor type: Digital, Local/Remote
Package: 8-SOIC form factor
Output protocol: I2C/SMBus compatibility
Temperature range: Minimum -40°C to 125°C coverage
Supply voltage: 3V to 5.5V operation
Resolution: 10-bit or higher
Accuracy: ±2°C or better in the 60°C to 100°C range

Substitute Categories:

Category 1 - Direct NXP Replacement (Identical Specifications) SA56004ED,118 is the manufacturer-recommended direct replacement, maintaining all electrical and mechanical specifications while offering active product status and improved availability.

Category 2 - Texas Instruments TMP411 Series (Enhanced Performance) TMP411ADR, TMP411BDR, and TMP411CDR provide superior specifications including 11-bit resolution, extended remote temperature range (-64°C to 191°C), and improved accuracy (±1°C). These parts maintain I2C/SMBus compatibility, 8-SOIC packaging, and -40°C to 125°C local temperature coverage. The TMP411 series offers active product status with higher inventory availability.

Category 3 - Texas Instruments LM Series (Limited Temperature Range) LM86CIMX/NOPB and LM89CIMX/NOPB operate within 0°C to 85°C sensing range, which does not cover the full -40°C lower limit of the original part. These are suitable only for applications not requiring sub-zero temperature measurement.

Category 4 - Texas Instruments LM95245CIMX/NOPB (Extended Resolution) Offers 10-bit local and 12-bit remote resolution with -40°C to 85°C range, providing higher precision but with reduced upper temperature coverage compared to the original specification.

Parameter Comparison

Part Number	Manufacturer	Sensor Type	Local Temp Range	Remote Temp Range	Output Type	Supply Voltage	Resolution	Accuracy	Package	Product Status
SA56004HD,112	NXP Semiconductors	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
SA56004ED,118	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	Active
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 Direct Replacement (Recommended for Existing Designs)

SA56004ED,118 is the primary substitute, offering identical electrical and mechanical specifications to the SA56004HD,112. This part maintains full compatibility with existing PCB layouts, firmware, and system integration. The active product status and higher inventory (1900 pcs) ensure long-term availability and supply chain stability.

For New Designs with Enhanced Performance Requirements

The TMP411 series (TMP411ADR, TMP411BDR, TMP411CDR) provides superior specifications including higher resolution (11-bit), improved accuracy (±1°C), and extended remote temperature measurement capability (-64°C to 191°C). All three variants maintain the required -40°C to 125°C local temperature range and I2C/SMBus protocol. These parts carry active product status with substantial inventory availability (68,738 pcs for TMP411ADR). The TMP411 series is suitable for applications requiring higher precision or extended remote sensing capabilities.

For Temperature-Limited Applications

LM86CIMX/NOPB and LM89CIMX/NOPB are suitable only for applications operating within 0°C to 85°C. These parts do not meet the -40°C lower temperature specification of the original part and should not be selected for designs requiring sub-zero operation.

For Applications with Upper Temperature Limitation

LM95245CIMX/NOPB operates within -40°C to 85°C, limiting its use to applications not requiring measurement above 85°C. This part offers higher remote resolution (12-bit) but reduced upper temperature coverage.

All substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with the original component's regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can SA56004ED,118 be used as a direct drop-in replacement for SA56004HD,112?

A: Yes. SA56004ED,118 is the manufacturer-recommended replacement with identical specifications across all electrical parameters, temperature ranges, resolution, accuracy, and 8-SOIC packaging. The only difference is product status (active vs. obsolete) and packaging format (Tape & Reel vs. bulk).

Q: What are the key differences between the SA56004 and TMP411 series?

A: The TMP411 series offers higher resolution (11-bit vs. 10-bit), improved accuracy (±1°C vs. ±2°C), and extended remote temperature range (-64°C to 191°C vs. -40°C to 125°C). Both maintain I2C/SMBus compatibility and 8-SOIC packaging. The TMP411 series has active product status with higher availability.

Q: Why are LM86CIMX/NOPB and LM89CIMX/NOPB not recommended as primary substitutes?

A: These parts operate only within 0°C to 85°C, which does not cover the -40°C lower limit specified for the SA56004HD,112. They are suitable only for applications that do not require sub-zero temperature measurement.

Q: Is the 8-SOIC package identical across all substitute parts?

A: Yes. All substitute parts use the 8-SOIC (0.154", 3.90mm Width) package, ensuring mechanical compatibility with existing PCB layouts.

Q: What is the supply voltage compatibility range for substitutes?

A: SA56004ED,118 and TMP411 series operate at 2.7V to 5.5V (TMP411) or 3V to 5.5V (SA56004ED,118). LM86CIMX/NOPB, LM89CIMX/NOPB, and LM95245CIMX/NOPB operate at 3V to 3.6V. Verify supply voltage compatibility with your system design before selection.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with regulatory requirements for the original SA56004HD,112.

Q: Which substitute offers the best accuracy?

A: The TMP411 series (TMP411ADR, TMP411BDR, TMP411CDR) provides the highest accuracy at ±1°C in the 15°C to 85°C range, compared to ±2°C for the SA56004 series.

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