Overview
The ADT7483AARQZ is a dual-channel temperature sensor and over/under temperature alarm produced by onsemi. This component is designed for use in various thermal management systems, including PCs, industrial controllers, and automotive applications. It features both local and remote temperature sensing capabilities, making it versatile for monitoring temperatures in different environments.
The device communicates via a 2-wire serial interface compatible with SMBus standards, allowing for easy integration into existing systems. It also includes programmable over/under temperature limits and multiple output configurations, enhancing its functionality and adaptability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Part Number | ADT7483AARQZ-REEL | |
| Manufacturer | onsemi | |
| Category | Analog and Digital Output | |
| Sensor Type | Digital, Local/Remote | |
| Sensing Temperature - Local | 0°C ~ 127°C | °C |
| Sensing Temperature - Remote | -64°C ~ 191°C | °C |
| Output Type | SMBus | |
| Voltage - Supply | 3V ~ 3.6V | V |
| Accuracy - Highest (Lowest) | ±1°C (±2.5°C) | °C |
| Operating Temperature | -40°C ~ 125°C | °C |
| Mounting Type | Surface Mount | |
| Package / Case | 16-SSOP (0.154", 3.90mm Width) | |
| Operating Current | 240 µA | µA |
| Standby Current | 5 µA | µA |
Key Features
- 1 Local and 2 Remote Temperature Sensors
- 0.25°C Resolution/1°C Accuracy on Remote Channels
- 1°C Resolution/1°C Accuracy on 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
- 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 ADT7483AARQZ used for?
The ADT7483AARQZ is used as a dual-channel temperature sensor and over/under temperature alarm in various thermal management systems.
- What are the temperature measurement ranges of the ADT7483AARQZ?
The device can measure temperatures in the range of 0°C to 127°C (default) and can be switched to a wider range of -64°C to +191°C.
- How does the ADT7483AARQZ communicate?
The device communicates via a 2-wire serial interface compatible with SMBus standards.
- What is the accuracy of the temperature measurements?
The temperature measurements have an accuracy of ±1°C for both local and remote channels.
- What are the power supply requirements for the ADT7483AARQZ?
The device operates with a supply voltage of 3V to 3.6V.
- What is the operating current of the ADT7483AARQZ?
The operating current is 240 µA, and the standby current is 5 µA.
- Is the ADT7483AARQZ RoHS compliant?
- What are the common applications of the ADT7483AARQZ?
- How many SMBus addresses are possible for the ADT7483AARQZ?
- Can the ALERT output be reconfigured?
