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Product Detailed Parameters
- Description：ACPI-COMPLIANT, HIGH ACCURACY MI
- Series：-
- Mfr：Analog Devices Inc.
- Package：Bulk
- Function：Temp Monitoring System (Sensor)
- Sensor Type：Internal and External
- Sensing Temperature：0°C ~ 120°C, External Sensor
- Accuracy：±1°C Local, ±3°C Remote
- Topology：ADC, Comparator, Multiplexer, Register Bank
- Output Type：SMBus
- Output Alarm：Yes
- Output Fan：No
- Voltage - Supply：3V ~ 5.5V
- Operating Temperature：0°C ~ 120°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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Overview
The ADM1023ARQ-REEL is an ACPI-compliant, high-accuracy microprocessor system monitoring circuit manufactured by Analog Devices Inc. It features a serial SMBus interface for communication and integrates a diode-connected PNP transistor for precise on-chip temperature measurement of the processor die. The device supports multiple voltage rails and provides hardware alerts for critical conditions such as over-temperature and power-supply faults. Packaged in a 16-pin SSOP (MO-137AB) with 16 terminals, it operates within a specified temperature range to ensure reliable system management.
Feature Summary
- ACPI-compliant architecture for standardized system monitoring
- Integrated on-chip diode-connected PNP transistor for accurate thermal sensing
- SMBus serial interface for digital data exchange and configuration
Applications
- Microprocessor-based system thermal management
- ACPI-compliant server and workstation monitoring
- Voltage rail supervision for critical logic supplies
Procurement Notes
Verify the specific suffix REEL indicates tape-and-reel packaging configuration. Confirm RoHS compliance status as source data indicates non-compliance for similar ADM1022 variants; check current datasheet for exact regulatory status. Ensure the SSOP package width matches board layout requirements. Validate that the SMBus interface compatibility aligns with the host controller specifications.
Selection Notes
Select this component when ACPI compliance and high accuracy are required for microprocessor monitoring. The integrated thermal sensor eliminates external thermistor requirements. Verify that the 16-pin SSOP package fits the available footprint. Ensure the system design supports the SMBus protocol for data retrieval and alert handling.
Part Context
This part belongs to the ADM102x series of system monitoring circuits from Analog Devices. It is designed specifically for microprocessor applications requiring precise thermal and voltage supervision. The device complements other ADM102x variants like the ADM1021 and ADM1022, offering enhanced ACPI support and integrated sensing capabilities for modern computing platforms.
Replacement Considerations
The ADM1022ARQ-REEL serves as a related variant within the same family but lacks specific ACPI compliance features documented for the ADM1023. Verify functional equivalence regarding the SMBus interface and package type before substitution.
