SA56004ATK,118 Equivalent & Substitute Parts

Part Overview

The SA56004ATK,118 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 with output switch capability. The part is currently listed as obsolete, making identification of compatible substitutes essential for ongoing system support and new design implementations.

Substiute Parts

SA56004ATK,118

NXP USA Inc.In Stock: 1923SA56004ATK,118 Datasheet

Current PartRFQ

SA56004ADP,118

NXP USA Inc.In Stock: 9760SA56004ADP,118 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SA56004ATK,118 is determined by equivalence across the following critical parameters:

Functional Equivalence Criteria:

• Identical base product number (SA56004) from the same manufacturer
• Matching sensor type (Digital, Local/Remote)
• Identical temperature sensing range (-40°C ~ 125°C for both local and remote)
• Identical output protocol (I2C/SMBus)
• Matching supply voltage range (3V ~ 5.5V)
• Identical resolution (10 bits)
• Matching accuracy specifications
• Identical feature set (Output Switch, Programmable Limit)

Package Variation Allowance: Substitution is permitted when the package type differs while all electrical specifications remain identical. The SA56004ATK,118 uses 8-HVSON (3x3) packaging, while substitute parts may employ alternative surface-mount packages such as 8-TSSOP, provided mechanical compatibility with the target PCB layout is confirmed.

Parameter Comparison

Engineering Selection Recommendations

The SA56004ADP,118 is the direct electrical equivalent of the SA56004ATK,118. Both components share identical functional specifications, accuracy parameters, and feature sets. The primary distinction is product status: the SA56004ATK,118 is obsolete, while the SA56004ADP,118 maintains active production status with significantly higher inventory availability (9723 units versus 1900 units).

Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for applications requiring environmental compliance certification. The MSL rating of 1 (Unlimited) for both components indicates no moisture sensitivity constraints during storage or handling.

The substitution involves a package change from 8-HVSON (3x3) to 8-TSSOP or 8-MSOP format. This package transition requires PCB layout modification to accommodate the different footprint dimensions. The 8-TSSOP package maintains the same pitch and pin count, ensuring functional compatibility at the circuit level while requiring mechanical redesign at the board assembly stage.

Frequently Asked Questions (FAQ)

Q: Can SA56004ADP,118 directly replace SA56004ATK,118 without circuit modifications?

A: Electrical substitution is direct. All functional parameters, communication protocols, and performance specifications are identical. However, the package change from 8-HVSON to 8-TSSOP requires PCB footprint modification. No schematic changes are necessary.

Q: What is the primary reason for substituting SA56004ATK,118?

A: The SA56004ATK,118 is obsolete. The SA56004ADP,118 is the active production equivalent with superior inventory availability, ensuring long-term supply chain continuity.

Q: Are there any accuracy or temperature range differences between these parts?

A: No. Both components provide identical accuracy specifications (±2°C from 60°C to 100°C, ±3°C across the full -40°C to 125°C range) and identical temperature sensing capabilities for local and remote monitoring.

Q: Do both parts support the same communication protocol?

A: Yes. Both SA56004ATK,118 and SA56004ADP,118 use I2C/SMBus output with identical programmable limit and output switch functionality.

Q: What are the package dimension differences?

A: SA56004ATK,118 uses 8-HVSON (3x3) packaging, while SA56004ADP,118 uses 8-TSSOP or 8-MSOP (0.118", 3.00mm Width) packaging. Both are surface-mount formats with identical pin counts and pitch specifications.

Q: Are there any compliance or certification differences?

A: No. Both parts maintain ROHS3 compliance, REACH unaffected status, and identical MSL ratings of 1 (Unlimited), ensuring equivalent regulatory and environmental compliance.