Overview
The ADT7481ARMZ-001 is a high-performance digital temperature sensor produced by onsemi. This component is designed for precise temperature measurement and is particularly suited for use in thermal management systems, such as those found in PCs, industrial controllers, and various embedded systems. It features a 2-wire serial interface compatible with System Management Bus (SMBus) standards, allowing for efficient communication and control. The sensor can measure its own ambient temperature as well as the temperature of two remote thermal diodes, making it versatile for different applications.
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 |
| Voltage - Supply | 3V ~ 3.6V |
| Resolution | 1°C (local), 0.25°C (remote) |
Key Features
- Multi-Channel Measurement: Capable of measuring its own ambient temperature and the temperature of two remote thermal diodes.
- SMBus Interface: Communicates over a 2-wire serial interface compatible with SMBus standards.
- Programmable Limits: Allows for programmable over/under temperature limits with offset registers for system calibration.
- Alert and Output: Features an active-low ALERT output and up to two overtemperature fail-safe active-low THERM outputs.
- Standby Mode: Includes a standby mode to reduce power consumption.
- Extended Temperature Range: Can measure temperatures from -64°C to +191°C, with a default range of 0°C to +127°C.
Applications
- PCs and Notebooks: Ideal for thermal management in desktop and notebook computers.
- Industrial Controllers: Used in various industrial control systems for temperature monitoring.
- Smart Batteries: Suitable for temperature monitoring in smart battery applications.
- Automotive and Embedded Systems: Applied in automotive and other embedded systems requiring precise temperature measurement.
- Burn-in Applications and Instrumentation: Used in burn-in testing and various instrumentation applications.
Q & A
- What is the ADT7481ARMZ-001 used for?
The ADT7481ARMZ-001 is a digital temperature sensor used for precise temperature measurement in various applications, including PCs, industrial controllers, and embedded systems.
- What is the temperature measurement range of the ADT7481ARMZ-001?
The sensor can measure temperatures from -64°C to +191°C, with a default range of 0°C to +127°C.
- What interface does the ADT7481ARMZ-001 use for communication?
The ADT7481ARMZ-001 communicates over a 2-wire serial interface compatible with SMBus standards.
- What are the key features of the ADT7481ARMZ-001?
Key features include multi-channel measurement, SMBus interface, programmable limits, alert and output signals, and standby mode.
- What is the supply voltage range for the ADT7481ARMZ-001?
The supply voltage range is 3V to 3.6V.
- What is the resolution of the temperature measurements?
The resolution is 1°C for local measurements and 0.25°C for remote measurements.
- Can the ADT7481ARMZ-001 be used in automotive applications?
Yes, it is suitable for use in automotive and other embedded systems requiring precise temperature measurement.
- What is the operating temperature range of the ADT7481ARMZ-001?
The operating temperature range is -40°C to 120°C.
- Does the ADT7481ARMZ-001 have programmable temperature limits?
Yes, it allows for programmable over/under temperature limits with offset registers for system calibration.
- What package types are available for the ADT7481ARMZ-001?
The sensor is available in 10-TFSOP and 10-MSOP packages.
