Overview
The ADM1021ARQ-REEL7, produced by onsemi, is a low-cost microprocessor system temperature monitor designed for use in various electronic systems, including personal computers, notebooks, and industrial controllers. This device is a two-channel digital thermometer that provides both on-chip and remote temperature sensing capabilities. It is particularly useful for monitoring and managing system temperatures to prevent overheating and ensure optimal performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 3.0 to 5.5 | V |
| Operating Temperature Range | −55 to +125 | °C |
| Maximum Junction Temperature | 150 | °C |
| On-chip Temperature Accuracy | ±1 | °C |
| Remote Temperature Accuracy | ±3 | °C |
| Operating Current | 200 | μA |
| Standby Current | 1 | μA |
| Package Type | 16-lead QSOP | |
| Interface | 2-wire SMBus Serial Interface | |
| ESD Rating | 2000 | V (Human Body Model) |
Key Features
- On-chip and remote temperature sensing with no calibration necessary.
- Programmable over/undertemperature limits and conversion rate.
- 2-wire SMBus serial interface and supports System Management Bus (SMBus) alert.
- Low power consumption with a maximum operating current of 200 μA and standby current of 1 μA.
- Small 16-lead QSOP package, Pb-free, halogen-free, and RoHS compliant.
- Output signals for temperature alarms that can be used as interrupts or SMBus alerts.
- Configurable conversion rate and standby mode for power management.
Applications
- Desktop and notebook computers.
- Smart batteries.
- Industrial controllers.
- Telecom equipment.
- Instrumentation.
Q & A
- What is the primary function of the ADM1021ARQ-REEL7?
The primary function is to monitor and manage system temperatures using on-chip and remote temperature sensing.
- What is the supply voltage range for the ADM1021ARQ-REEL7?
The supply voltage range is from 3.0 V to 5.5 V.
- 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 interface does the ADM1021ARQ-REEL7 use?
The device uses a 2-wire SMBus serial interface.
- Can the ADM1021ARQ-REEL7 be put into standby mode?
- What is the maximum operating current of the ADM1021ARQ-REEL7?
The maximum operating current is 200 μA.
- Is the ADM1021ARQ-REEL7 RoHS compliant?
- What are some common applications of the ADM1021ARQ-REEL7?
- How does the ADM1021ARQ-REEL7 alert the system of temperature issues?
