Overview
The ADT7483AARQZ-R7 is a dual-channel temperature sensor and over/under temperature alarm IC produced by ON Semiconductor. This device is designed for use in various thermal management systems, including desktop and notebook computers, industrial controllers, and automotive applications. It features a high degree of accuracy and flexibility, making it suitable for monitoring temperatures in both local and remote locations.
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 ~ 125°C |
| Output Type | SMBus |
| Package | 16-QSOP (0.154", 3.90mm Width) |
| Sensing Temperature | -64°C ~ 191°C |
| Sensor Type | Digital, Local/Remote |
| Voltage - Supply | 3 V ~ 3.6 V |
| Digital Output - Bus Interface | Serial (2-Wire) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Key Features
- Local and 2 remote temperature sensors with 0.25°C resolution and 1°C accuracy on remote channels, and 1°C resolution and accuracy on the local channel
- Extended, switchable temperature measurement range: 0°C to 127°C (default) or -64°C to +191°C
- 2-wire SMBus serial interface with SMBus alert support
- Programmable over/under temperature limits
- Offset registers for system calibration
- Up to 2 overtemperature fail-safe THERM outputs
- Small 16-lead QSOP package
- 240 µA operating current, 5 µA standby current
- Pb-Free, Halogen Free, and RoHS Compliant
Applications
- Desktop and Notebook Computers
- Industrial Controllers
- Smart Batteries
- Automotive
- Embedded Systems
- Burn-in Applications
- Instrumentation
Q & A
- What is the primary function of the ADT7483AARQZ-R7?
The ADT7483AARQZ-R7 is a dual-channel temperature sensor and over/under temperature alarm IC designed for thermal management in various applications.
- What is the temperature measurement range of the ADT7483AARQZ-R7?
The device can measure temperatures in a default range of 0°C to 127°C, and an extended range of -64°C to +191°C.
- What type of interface does the ADT7483AARQZ-R7 use for communication?
The device communicates over a 2-wire serial interface compatible with SMBus standards.
- What is the accuracy of the temperature measurements?
The device offers an accuracy of ±1°C (±2.5°C) for temperature measurements.
- What are the key features of the ADT7483AARQZ-R7?
Key features include local and remote temperature sensing, programmable limits, SMBus interface, and fail-safe THERM outputs.
- What are the typical applications of the ADT7483AARQZ-R7?
Applications include desktop and notebook computers, industrial controllers, automotive systems, embedded systems, and instrumentation.
- What is the operating voltage range of the ADT7483AARQZ-R7?
The device operates within a voltage range of 3 V to 3.6 V.
- Is the ADT7483AARQZ-R7 RoHS compliant?
- What is the package type of the ADT7483AARQZ-R7?
The device is packaged in a 16-lead QSOP package.
- How does the ADT7483AARQZ-R7 handle overtemperature conditions?
The device has programmable over/under temperature limits and up to 2 overtemperature fail-safe THERM outputs.
