Overview
The ADT7481ARMZ-R7 is a dual-channel digital temperature sensor produced by ON Semiconductor. This component is designed to measure both local and remote temperatures with high accuracy and reliability. It is particularly useful in applications requiring precise temperature monitoring and control. The sensor supports a wide temperature range and features various operational modes, making it versatile for different industrial and consumer electronics uses.
Key Specifications
| Parameter | Value |
|---|---|
| Accuracy | ±1°C (±2.5°C) |
| Features | One-Shot, Output Switch, Programmable Limit, Standby Mode |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 120°C |
| Output Type | SMBus |
| Package | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| Sensing Temperature - Local | 0°C ~ 127°C |
| Sensing Temperature - Remote | -64°C ~ 191°C |
| Sensor Type | Digital, Local/Remote |
| Supplier Device Package | 10-MSOP |
| Test Condition | 0°C ~ 70°C (-40°C ~ 100°C) |
| Voltage | 3V ~ 3.6V |
Key Features
- Dual-channel temperature sensing for both local and remote temperatures.
- High accuracy with ±1°C (±2.5°C) accuracy over the specified temperature range.
- SMBus interface for easy communication with microcontrollers and other devices.
- Programmable limits and one-shot mode for flexible operation.
- Standby mode to reduce power consumption.
- Wide operating temperature range of -40°C to 120°C.
Applications
The ADT7481ARMZ-R7 is suitable for a variety of applications, including:
- Industrial automation and control systems.
- Consumer electronics such as laptops, smartphones, and tablets.
- Automotive systems for engine and cabin temperature monitoring.
- Medical devices requiring precise temperature control.
- Server and data center cooling systems.
Q & A
- What is the accuracy of the ADT7481ARMZ-R7 temperature sensor?
The accuracy is ±1°C (±2.5°C) over the specified temperature range. - What are the supported temperature ranges for local and remote sensing?
The local sensing range is 0°C to 127°C, and the remote sensing range is -64°C to 191°C. - What is the communication interface used by the ADT7481ARMZ-R7?
The sensor uses an SMBus interface. - What are the key features of the ADT7481ARMZ-R7?
Key features include one-shot mode, output switch, programmable limits, and standby mode. - What is the operating voltage range of the ADT7481ARMZ-R7?
The operating voltage range is 3V to 3.6V. - What is the package type of the ADT7481ARMZ-R7?
The package types are 10-TFSOP and 10-MSOP (0.118", 3.00mm Width). - What are some common applications of the ADT7481ARMZ-R7?
Common applications include industrial automation, consumer electronics, automotive systems, medical devices, and server cooling systems. - How does the ADT7481ARMZ-R7 manage power consumption?
The sensor has a standby mode to reduce power consumption. - Can the temperature measurement range be switched?
Yes, the user can switch between different measurement ranges at any time. - What is the resolution of the temperature measurements?
The local temperature measurement has a resolution of 1°C, and the remote temperature measurements have a resolution of 0.25°C (10-bit measurement).
