Overview
The ADM1021AARQZ-REEL7, produced by ON Semiconductor, is a low-cost, two-channel digital thermometer designed for monitoring temperatures in various electronic systems. It is particularly suited for use in personal computers, notebooks, and other devices that require precise temperature monitoring. This component integrates both on-chip and remote temperature sensing capabilities, making it versatile for different application needs.
Key Specifications
| Parameter | Rating/Value | Unit |
|---|---|---|
| Positive Supply Voltage (VDD) to GND | −0.3 to +6.0 | V |
| Supply Voltage Range | 3.0 to 5.5 | V |
| Operating Current | 200 μA (max) | μA |
| Standby Current | 1 μA | μA |
| On-chip Temperature Accuracy | ±1°C | °C |
| Remote Temperature Accuracy | ±3°C | °C |
| Operating Temperature Range | −55 to +125 | °C |
| Maximum Junction Temperature (TJ MAX) | 150 | °C |
| Package Type | 16-lead QSOP |
Key Features
- On-chip and remote temperature sensing without the need for calibration.
- Programmable over/under temperature limits.
- Programmable conversion rate.
- 2-wire SMBus serial interface.
- Supports System Management Bus (SMBus) alert.
- Low power consumption: 200 μA max operating current and 1 μA standby current.
- Pb-free, halogen-free, and RoHS compliant.
- Small 16-lead QSOP package.
Applications
- Desktop computers.
- Notebook computers.
- Smart batteries.
- Industrial controllers.
- Telecom equipment.
- Instrumentation.
Q & A
- What is the primary function of the ADM1021AARQZ-REEL7?
The primary function is to monitor temperatures using both on-chip and remote sensors, providing digital output and alarm signals for over/under temperature conditions.
- What is the accuracy of the on-chip temperature sensor?
The on-chip temperature sensor has an accuracy of ±1°C.
- What is the accuracy of the remote temperature sensor?
The remote temperature sensor has an accuracy of ±3°C.
- What is the operating voltage range of the ADM1021AARQZ-REEL7?
The operating voltage range is 3.0 V to 5.5 V.
- What interface does the ADM1021AARQZ-REEL7 use for communication?
The device uses a 2-wire SMBus serial interface.
- Is the ADM1021AARQZ-REEL7 RoHS compliant?
- What is the maximum operating current of the ADM1021AARQZ-REEL7?
The maximum operating current is 200 μA.
- What is the standby current of the ADM1021AARQZ-REEL7?
The standby current is 1 μA.
- What are some common applications of the ADM1021AARQZ-REEL7?
- Can the temperature limits be programmed on the ADM1021AARQZ-REEL7?
- What package type is the ADM1021AARQZ-REEL7 available in?
