ADT7481ARMZ-1RL Equivalent & Substitute Parts

Part Overview

The ADT7481ARMZ-1RL is a digital temperature sensor manufactured by onsemi, designed for local and remote temperature monitoring applications. It operates across a local sensing range of 0°C to 127°C with remote sensing capability from -64°C to 191°C, utilizing SMBus output protocol. The device is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Substiute Parts

ADT7481ARMZ-1RL

onsemiIn Stock: 2199ADT7481ARMZ-1RL Datasheet

Current PartRFQ

ADT7481ARMZ-REEL

onsemiIn Stock: 9128ADT7481ARMZ-REEL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ADT7481ARMZ-1RL is determined by strict equivalence across the following critical parameters:

• Sensor Type: Digital, Local/Remote configuration
• Local Sensing Temperature Range: 0°C ~ 127°C
• Remote Sensing Temperature Range: -64°C ~ 191°C
• Output Protocol: SMBus interface
• Supply Voltage: 3V ~ 3.6V
• Package Type: 10-MSOP surface mount
• Feature Set: One-Shot, Output Switch, Programmable Limit, Standby Mode
• Accuracy Specification: ±1°C (±2.5°C)

The ADT7481ARMZ-1RL differs from its substitute only in packaging format and product status. The substitute maintains identical electrical specifications and functional capabilities.

Parameter Comparison

Engineering Selection Recommendations

The ADT7481ARMZ-REEL serves as the direct functional equivalent to the ADT7481ARMZ-1RL. Both components share identical electrical specifications, thermal characteristics, and SMBus interface protocol. The primary distinction is product status: the ADT7481ARMZ-1RL is obsolete, while the ADT7481ARMZ-REEL maintains active production status.

For new designs and ongoing system support, the ADT7481ARMZ-REEL is the appropriate selection. This substitute provides ROHS3 compliance certification, ensuring regulatory alignment with current environmental standards. The Digi-Reel® packaging option offers enhanced supply chain flexibility for production environments.

Frequently Asked Questions (FAQ)

Q: Are the ADT7481ARMZ-1RL and ADT7481ARMZ-REEL electrically identical?

A: Yes. Both components feature identical sensor type, temperature sensing ranges, SMBus output protocol, supply voltage, accuracy specifications, and operating temperature ranges. They are functionally equivalent at the electrical level.

Q: What is the difference between these two part numbers?

A: The primary difference is packaging format and product lifecycle status. The ADT7481ARMZ-1RL uses standard cut tape packaging, while the ADT7481ARMZ-REEL includes Digi-Reel® packaging option. The ADT7481ARMZ-REEL maintains active production status with ROHS3 compliance certification.

Q: Can I use ADT7481ARMZ-REEL as a direct replacement in existing designs?

A: Yes. The ADT7481ARMZ-REEL is a direct substitute. Both parts use the 10-MSOP surface mount package with identical pinout and electrical interface. No circuit modifications are required.

Q: Why is the ADT7481ARMZ-1RL classified as obsolete?

A: Product obsolescence reflects manufacturer lifecycle decisions. The ADT7481ARMZ-REEL remains in active production and is the recommended alternative for all applications.

Q: What does ROHS3 compliance mean for the ADT7481ARMZ-REEL?

A: ROHS3 compliance indicates the component meets Restriction of Hazardous Substances Directive requirements, restricting specific hazardous materials in electrical and electronic equipment. This certification is relevant for applications subject to environmental regulations.