AT30TSE752-SS8-B Equivalent & Substitute Parts

Part Overview

The AT30TSE752-SS8-B is a digital temperature sensor manufactured by Microchip Technology, designed for local temperature measurement across the -55°C to 125°C range with 11-bit resolution and I2C/SMBus output interface. The device is classified as obsolete, necessitating identification of active equivalent and substitute components that maintain functional compatibility while offering improved availability and potentially enhanced specifications.

Substiute Parts

AT30TSE752-SS8-B

Microchip TechnologyIn Stock: 1237AT30TSE752-SS8-B Datasheet

Current PartRFQ

AT30TSE752A-SS8M-B

Microchip TechnologyIn Stock: 1547AT30TSE752A-SS8M-B Datasheet

DirectRFQ

DS1621S+

Analog Devices Inc./Maxim IntegratedIn Stock: 10335DS1621S+ Datasheet

DirectRFQ

DS1621S+W

Analog Devices Inc./Maxim IntegratedIn Stock: 874DS1621S+W Datasheet

DirectRFQ

DS1631Z+

Analog Devices Inc./Maxim IntegratedIn Stock: 5980DS1631Z+ Datasheet

DirectRFQ

DS1631Z+T&R

Analog Devices Inc./Maxim IntegratedIn Stock: 5224DS1631Z+T&R Datasheet

DirectRFQ

DS1721S+

Analog Devices Inc./Maxim IntegratedIn Stock: 1596DS1721S+ Datasheet

DirectRFQ

DS1721S+T&R

Analog Devices Inc./Maxim IntegratedIn Stock: 3609DS1721S+T&R Datasheet

DirectRFQ

ADT75ARZ

Analog Devices Inc.In Stock: 34994ADT75ARZ Datasheet

MFR RecommendedRFQ

ADT75ARZ-REEL

Analog Devices Inc.In Stock: 17822ADT75ARZ-REEL Datasheet

MFR RecommendedRFQ

ADT75ARZ-REEL7

Analog Devices Inc.In Stock: 1968ADT75ARZ-REEL7 Datasheet

MFR RecommendedRFQ

PCT2075D,118

NXP USA Inc.In Stock: 3193PCT2075D,118 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution validity for the AT30TSE752-SS8-B is determined by the following critical parameters:

Primary Compatibility Criteria:

• Identical package type: 8-SOIC (0.154", 3.90mm Width)
• Matching temperature sensing range: -55°C ~ 125°C
• Compatible output protocol: I2C or I2C/SMBus
• Supply voltage overlap: minimum 2.7V ~ 5.5V compatibility
• Surface mount mounting type

Secondary Compatibility Factors:

• Resolution: 11-bit or higher acceptable
• Accuracy specifications: ±1.5°C or better preferred
• Product status: Active preferred for long-term availability
• RoHS3 compliance maintained

All substitute parts listed meet the primary compatibility criteria. Variations in resolution, accuracy, and feature sets are noted but do not preclude functional substitution when application requirements permit.

Parameter Comparison

Engineering Selection Recommendations

Direct Replacement (Highest Compatibility): AT30TSE752A-SS8M-B is the primary direct replacement, offering identical resolution and feature set with improved accuracy specification (±1°C vs ±1.5°C) and active product status. Extended supply voltage range (1.7V ~ 5.5V) provides additional design flexibility. RoHS3 compliance and MSL rating match the original specification.

I2C/SMBus Protocol Compatibility: ADT75ARZ, ADT75ARZ-REEL, and ADT75ARZ-REEL7 maintain I2C/SMBus protocol compatibility with the original part. These devices offer 12-bit resolution with active product status and full RoHS3 compliance. Accuracy specification (±2°C) is acceptable for applications not requiring the original ±1.5°C performance.

I2C Protocol Alternatives: DS1631Z+, DS1631Z+T&R, DS1721S+, DS1721S+T&R, DS1621S+, and DS1621S+W provide I2C-only output with 11-bit or 9-bit resolution. These devices deliver superior accuracy (±0.5°C to ±1°C) and active product status. Protocol compatibility requires verification in target application firmware.

Packaging Considerations: All substitute parts maintain 8-SOIC package specification. Packaging format variations (Tube, Cut Tape & Digi-Reel, Cut Tape) affect procurement and assembly processes but do not impact electrical or thermal performance.

Frequently Asked Questions (FAQ)

Q: Can AT30TSE752A-SS8M-B directly replace AT30TSE752-SS8-B without design changes? A: Yes. Both devices share identical package, temperature range, resolution, and I2C/SMBus protocol. The substitute offers improved accuracy and lower minimum supply voltage. No circuit modifications are required.

Q: What is the primary difference between Microchip and Analog Devices substitutes? A: Microchip AT30TSE752A-SS8M-B maintains the original I2C/SMBus protocol. Analog Devices DS-series devices use I2C protocol only, requiring firmware verification. ADT75 series supports I2C/SMBus protocol matching the original specification.

Q: Are 9-bit resolution devices (DS1621S+, DS1621S+W) acceptable substitutes? A: 9-bit resolution provides lower temperature measurement granularity than the original 11-bit specification. Substitution validity depends on application temperature measurement precision requirements. Verify that 0.5625°C resolution steps (9-bit) meet system specifications.

Q: Do all substitute parts maintain RoHS3 compliance? A: Yes. All listed substitute parts are RoHS3 compliant, matching the original AT30TSE752-SS8-B environmental specification.

Q: What packaging formats are available for high-volume procurement? A: Cut Tape & Digi-Reel packaging is available for DS1631Z+T&R, DS1721S+T&R, ADT75ARZ-REEL, and ADT75ARZ-REEL7. Tube packaging is available for AT30TSE752A-SS8M-B, DS1621S+, DS1621S+W, DS1631Z+, DS1721S+, and ADT75ARZ.

Q: Which substitute offers the best accuracy specification? A: DS1631Z+, DS1631Z+T&R, DS1621S+, and DS1621S+W offer ±0.5°C best-case accuracy, superior to the original ±1.5°C specification. These devices are suitable for precision temperature measurement applications.

Q: Is firmware modification required when substituting with Analog Devices I2C devices? A: Protocol compatibility must be verified. While all devices use I2C communication, register mapping and command structures may differ. Consult device datasheets and application firmware documentation to confirm compatibility.