Overview
The ADM1021AARQZ-R is a two-channel digital thermometer and under/overtemperature alarm designed by onsemi. It is primarily intended for use in personal computers and other systems that require precise temperature monitoring. This device offers both on-chip and remote temperature sensing capabilities, making it versatile for various applications. The ADM1021AARQZ-R is known for its low cost and high accuracy, making it a reliable choice for temperature monitoring in electronic systems.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Range | 3.0 V to 5.5 V |
| Operating Temperature Range | 0°C to 100°C |
| Temperature Accuracy (On-chip) | ±1°C |
| Temperature Accuracy (Remote) | ±3°C |
| Operating Current (Max) | 200 µA |
| Standby Current | 1 µA |
| Conversion Time | 65 ms to 170 ms |
| Interface | 2-wire SMBus Serial Interface |
| Package Type | 16-lead QSOP |
| Compliance | Pb-Free, Halogen Free, RoHS Compliant |
Key Features
- On-chip and remote temperature sensing
- No calibration necessary
- Programmable over/undertemperature limits
- Programmable conversion rate
- 2-wire SMBus serial interface
- Supports System Management Bus (SMBus) alert
- Small 16-lead QSOP package
- Pb-Free, Halogen Free, and RoHS Compliant
Applications
- Desktop Computers
- Notebook Computers
- Smart Batteries
- Industrial Controllers
- Telecom Equipment
- Instrumentation
Q & A
- What is the primary function of the ADM1021AARQZ-R?
The primary function of the ADM1021AARQZ-R is to monitor and report both on-chip and remote temperatures, with the capability to generate alerts for over/undertemperature conditions.
- What is the temperature accuracy of the on-chip sensor?
The on-chip sensor has a temperature accuracy of ±1°C.
- What is the temperature accuracy of the remote sensor?
The remote sensor has a temperature accuracy of ±3°C.
- What is the supply voltage range for the ADM1021AARQZ-R?
The supply voltage range is from 3.0 V to 5.5 V.
- What interface does the ADM1021AARQZ-R use for communication?
The device uses a 2-wire SMBus serial interface.
- Can the conversion rate be programmed?
Yes, the conversion rate can be programmed.
- What is the typical operating current of the ADM1021AARQZ-R?
The typical operating current is up to 200 µA.
- Is the ADM1021AARQZ-R RoHS compliant?
Yes, the device is Pb-Free, Halogen Free, and RoHS Compliant.
- What are some common applications of the ADM1021AARQZ-R?
Common applications include desktop and notebook computers, smart batteries, industrial controllers, telecom equipment, and instrumentation.
- What is the package type of the ADM1021AARQZ-R?
The device comes in a 16-lead QSOP package.
