ADM1021AARQZ-R

Description：IC TEMP SENSOR DUAL3/5.5V 16QSOP
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:f6d66e9f31e7 Category: Thermal Management Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：IC TEMP SENSOR DUAL3/5.5V 16QSOP
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Temp Monitoring System (Sensor)
Sensor Type：Internal and External
Sensing Temperature：0°C ~ 100°C, External Sensor
Accuracy：±3°C Local(Max), ±5°C Remote(Max)
Topology：ADC, Comparator, Multiplexer, Register Bank
Output Type：SMBus
Output Alarm：Yes
Output Fan：No
Voltage - Supply：3V ~ 5.5V
Operating Temperature：0°C ~ 100°C
Grade：-
Qualification：-
Mounting Type：Surface Mount
Package / Case：16-SSOP (0.154", 3.90mm Width)
Supplier Device Package：16-QSOP

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ADM1021AARQZ-R

Overview

The ADM1021AARQZ-R7 is a board-mount temperature sensor manufactured by onsemi, classified under hardware monitors. It features a digital output type and utilizes a QSOP-16 package for surface mount installation. The device supports local and remote configuration options with an interface compatible with 2-Wire, I2C, and SMBus protocols. Its operational accuracy ranges from +/- 1°C to +/- 5°C, depending on the sensor channel. The component operates within a temperature range of 0°C to +100°C.

Feature Summary

Integrates on-chip and remote temperature sensing capabilities without requiring calibration.
Supports programmable overtemperature and undertemperature limits via serial interface.
Features low power consumption with standby current capability.

Applications

Desktop computers
Notebook computers
Smart batteries
Industrial controllers

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to end-of-life status. Confirm RoHS compliance details and specific packaging variants such as reel or cut tape availability. Ensure compatibility with existing system interfaces before procurement. Review technical datasheets for any recent manufacturing changes or obsolescence notices.

Selection Notes

Select this component for applications requiring dual-channel thermal monitoring in compact form factors. Consider the QSOP-16 package constraints and SMBus interface requirements during design integration. Evaluate the +/- 1°C local sensor accuracy against system thermal management needs. Verify operating temperature range suitability for the intended environmental conditions.

Part Context

This part belongs to the ADM1021 series of microprocessor system temperature monitors. It serves as a low-cost solution for thermal management in personal computers and industrial equipment. The device measures processor temperatures using diode-connected transistors and monitors onboard environment temperatures.