Overview
The ADM1021ARQZ, produced by onsemi, is a two-channel digital thermometer designed for temperature monitoring and alarm functions. It is particularly suited for use in personal computers, including desktop and notebook systems. This device features both on-chip and remote temperature sensing capabilities, making it versatile for various thermal management needs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 3.0 to 5.5 | V |
| Operating Temperature Range | 0°C to 100°C | °C |
| Accuracy (On-chip Sensor) | ±1°C | °C |
| Accuracy (Remote Sensor) | ±3°C | °C |
| Package Type | 16-QSOP / 16-SSOP | |
| Mounting Type | Surface Mount | |
| Output Type | SMBus | |
| Output Alarm | Yes | |
| Output Fan | No | |
| Topology | ADC, Comparator, Multiplexer, Register Bank | |
| Operating Current (Average) | 130 to 200 μA | μA |
| Standby Current | 1 to 5 μA | μA |
Key Features
- No calibration necessary for temperature sensing.
- Programmable over/undertemperature limits.
- Programmable conversion rate.
- 2-wire SMBus serial interface.
- Supports System Management Bus (SMBus) alert.
- Low operating current: 130 to 200 μA.
- Low standby current: 1 to 5 μA.
- 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 ADM1021ARQZ?
The primary function of the ADM1021ARQZ is to monitor temperature and provide under/overtemperature alarms. - What types of temperature sensing does the ADM1021ARQZ support?
The ADM1021ARQZ supports both on-chip and remote temperature sensing. - What is the accuracy of the on-chip and remote temperature sensors?
The on-chip sensor has an accuracy of ±1°C, while the remote sensor has an accuracy of ±3°C. - What is the supply voltage range for the ADM1021ARQZ?
The supply voltage range is 3.0 V to 5.5 V. - Does the ADM1021ARQZ support SMBus alerts?
Yes, the ADM1021ARQZ supports System Management Bus (SMBus) alerts. - What is the typical operating current of the ADM1021ARQZ?
The typical operating current is between 130 μA and 200 μA. - Is the ADM1021ARQZ Pb-free and RoHS compliant?
Yes, the ADM1021ARQZ is Pb-free, halogen-free, and RoHS compliant. - What are the common applications of the ADM1021ARQZ?
Common applications include desktop and notebook computers, smart batteries, industrial controllers, telecom equipment, and instrumentation. - What is the package type of the ADM1021ARQZ?
The package type is 16-QSOP or 16-SSOP. - Does the ADM1021ARQZ have a standby mode?
Yes, the ADM1021ARQZ has a standby mode with a current of 1 to 5 μA.
