SA56004BDP,118 Equivalent & Substitute Parts

Part Overview

The SA56004BDP,118 is a digital temperature sensor manufactured by NXP USA Inc., designed for local and remote temperature measurement across the -40°C to 125°C range with 10-bit resolution and I2C/SMBus output interface. The device operates on 3V to 5.5V supply voltage and is packaged in an 8-TSSOP surface mount configuration. This part is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and ongoing production requirements.

Key Parameters

Parameter	SA56004BDP,118
Sensor Type	Digital, Local/Remote
Sensing Temperature Range	-40°C ~ 125°C
Output Type	I2C/SMBus
Supply Voltage	3V ~ 5.5V
Resolution	10 b
Accuracy	±2°C (60°C ~ 100°C), ±3°C (-40°C ~ 125°C)
Package Type	8-TSSOP
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Compliance	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters: sensor type (digital, local/remote capability), temperature sensing range compatibility, output interface type (I2C/SMBus), supply voltage range, resolution, package type (8-TSSOP), and surface mount configuration. Substitute parts must maintain functional equivalence within the electrical and mechanical constraints of the original design.

The substitute parts are grouped into two categories based on parameter alignment:

Category 1: Direct Functional Equivalents — Parts with identical or superior temperature range (-40°C ~ 125°C or -40°C ~ 85°C), matching supply voltage specifications (3V ~ 5.5V or 3V ~ 3.6V), SMBus/I2C interface, and 8-TSSOP packaging. These include SA56004EDP,118 (NXP, active status) and LM95245CIMMX-1/NOPB (Texas Instruments, active status).

Category 2: Functional Substitutes with Parameter Constraints — Parts with reduced temperature sensing range (0°C ~ 85°C), lower supply voltage ceiling (3V ~ 3.6V), or different resolution specifications. These include LM89-1CIMMX/NOPB, LM89CIMMX/NOPB, LM99-1CIMM/NOPB, and LM99CIMM/NOPB. These require design verification for temperature range and supply voltage compatibility.

Parameter Comparison

Parameter	SA56004BDP,118	SA56004EDP,118	LM89-1CIMMX/NOPB	LM89CIMMX/NOPB	LM95235DIMM/NOPB	LM95245CIMMX-1/NOPB	LM99-1CIMM/NOPB	LM99CIMM/NOPB
Manufacturer	NXP USA Inc.	NXP USA Inc.	Texas Instruments	Texas Instruments	National Semiconductor	Texas Instruments	Texas Instruments	Texas Instruments
Sensor Type	Digital, Local/Remote	Digital, Local/Remote	Digital, Local/Remote	Digital, Local/Remote	Digital, Local/Remote	Digital, Local/Remote	Digital, Local/Remote	Digital, Local/Remote
Sensing Temperature Range	-40°C ~ 125°C	-40°C ~ 125°C	0°C ~ 85°C	0°C ~ 85°C	-40°C ~ 90°C	-40°C ~ 85°C	0°C ~ 85°C	0°C ~ 85°C
Output Type	I2C/SMBus	I2C/SMBus	SMBus	SMBus	SMBus	SMBus	SMBus	SMBus
Supply Voltage	3V ~ 5.5V	3V ~ 5.5V	3V ~ 3.6V	3V ~ 3.6V	3V ~ 3.6V	3V ~ 3.6V	3V ~ 3.6V	3V ~ 3.6V
Resolution (Local/Remote)	10 b	10 b	7 b / 10 b	7 b / 10 b	10 b / 12 b	10 b / 12 b	7 b / 11 b	7 b / 11 b
Accuracy	±2°C (±3°C)	±2°C (±3°C)	±3°C	±3°C	±2°C (±6°C)	±2°C (±6°C)	±3°C	±3°C
Package Type	8-TSSOP	8-TSSOP	8-VSSOP	8-VSSOP	8-VSSOP	8-VSSOP	8-VSSOP	8-VSSOP
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Obsolete	Active	Active	Obsolete	Active	Active	Active	Obsolete
RoHS Compliance	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation: SA56004EDP,118

SA56004EDP,118 is the direct NXP equivalent with active product status. It maintains identical electrical specifications: -40°C to 125°C temperature range, 3V to 5.5V supply voltage, 10-bit resolution, and I2C/SMBus interface. The package type is 8-TSSOP with surface mount configuration. ROHS3 compliance and unlimited moisture sensitivity level (MSL 1) are maintained. This part provides seamless design migration with no parameter derating required.

Secondary Recommendation: LM95245CIMMX-1/NOPB

LM95245CIMMX-1/NOPB (Texas Instruments, active status) offers extended resolution (10-bit local, 12-bit remote) and maintains the -40°C to 85°C temperature range. Supply voltage is constrained to 3V to 3.6V, requiring verification against the original 5.5V maximum specification. The 8-VSSOP package is mechanically compatible with 8-TSSOP footprints. ROHS3 compliance is confirmed. This option is suitable for designs operating within the 3V to 3.6V supply window.

Conditional Substitutes: LM89 and LM99 Series

LM89-1CIMMX/NOPB, LM89CIMMX/NOPB, LM99-1CIMM/NOPB, and LM99CIMM/NOPB are functional substitutes with significant parameter constraints. All operate at 3V to 3.6V supply voltage (incompatible with 5.5V designs) and feature reduced temperature sensing range (0°C to 85°C, excluding -40°C operation). Local resolution is reduced to 7 bits. These parts are suitable only for applications where the narrower temperature range and lower supply voltage ceiling are acceptable. LM89-1CIMMX/NOPB and LM99-1CIMM/NOPB maintain active product status; LM89CIMMX/NOPB and LM99CIMM/NOPB are obsolete.

Compliance Verification

All recommended substitutes maintain ROHS3 compliance and EAR99 export classification. Moisture sensitivity level (MSL 1, unlimited) is consistent across active alternatives. REACH unaffected status is confirmed for all parts.

Frequently Asked Questions (FAQ)

Q: Can SA56004EDP,118 be used as a direct replacement for SA56004BDP,118?

A: Yes. SA56004EDP,118 is the active equivalent manufactured by NXP USA Inc. with identical electrical and mechanical specifications. Temperature range (-40°C to 125°C), supply voltage (3V to 5.5V), resolution (10-bit), output interface (I2C/SMBus), and package type (8-TSSOP) are unchanged. No design modifications are required.

Q: What are the key differences between SA56004BDP,118 and LM95245CIMMX-1/NOPB?

A: Both maintain -40°C to 85°C temperature range overlap and SMBus interface compatibility. LM95245CIMMX-1/NOPB offers higher remote resolution (12-bit versus 10-bit). The critical constraint is supply voltage: LM95245CIMMX-1/NOPB operates at 3V to 3.6V maximum, while SA56004BDP,118 supports up to 5.5V. Designs requiring 5V operation cannot use LM95245CIMMX-1/NOPB without voltage regulation modifications.

Q: Why are LM89 and LM99 series parts listed as substitutes if they have reduced temperature range?

A: LM89 and LM99 series parts are listed based on the provided substitute relationships in the original part data. However, they are conditional substitutes only. The 0°C to 85°C sensing range excludes the -40°C lower limit of the original part. These parts are suitable only for applications where the narrower temperature range is acceptable and supply voltage does not exceed 3.6V.

Q: Are 8-VSSOP and 8-TSSOP packages mechanically interchangeable?

A: Both packages are 8-pin surface mount configurations with 0.118" (3.00mm) width. PCB footprints are compatible for reflow soldering. However, verify land pattern dimensions with the specific device datasheets before layout finalization, as minor pitch or lead geometry variations may exist between manufacturers.

Q: Which substitute part has the best accuracy specification?

A: SA56004EDP,118 and SA56004BDP,118 share identical accuracy: ±2°C (60°C to 100°C) and ±3°C (-40°C to 125°C). LM95245CIMMX-1/NOPB provides ±2°C accuracy (25°C to 100°C) with ±6°C at temperature extremes (-40°C to 25°C). LM89 and LM99 series parts specify ±3°C accuracy across their operating range. Accuracy selection depends on application temperature profile and tolerance requirements.

Q: What is the inventory status for substitute parts?

A: SA56004EDP,118 has 16,007 pieces in stock (active status). LM95245CIMMX-1/NOPB has 1,042 pieces (active status). LM89-1CIMMX/NOPB has 898 pieces (active status). LM99-1CIMM/NOPB has 1,048 pieces (active status). Obsolete variants (LM89CIMMX/NOPB, LM99CIMM/NOPB) have limited inventory and should not be selected for new designs.

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