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Product Detailed Parameters
- Description：IC TEMP SENSOR DUAL3/5.5V 16QSOP
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Function：Temp Monitoring System (Sensor)
- Sensor Type：Internal and External
- Sensing Temperature：0°C ~ 100°C, External Sensor
- Accuracy：±1°C Local, ±5°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 ~ 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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Overview
The ADM1021ARQZ-R7 is a board-mount temperature sensor manufactured by onsemi. It features a digital output and supports I2C, SMBus, and 2-Wire interfaces. The device operates within a temperature range of 0°C to +100°C and provides accuracy specifications ranging from +/- 1°C to +/- 5°C. It is housed in a QSOP-16 package and configured for both local and remote sensing applications.
Feature Summary
- Supports dual-channel monitoring with local and remote sensing configurations
- Integrates a two-wire serial interface compatible with SMBus standards
- Provides digital output for system temperature data
Applications
- Desktop computer thermal management
- Notebook computer cooling control
- Industrial controller environmental monitoring
- Telecom equipment temperature supervision
Procurement Notes
Verify component authenticity through authorized distribution channels due to the presence of obsolete status indicators in public records. Confirm that the specific suffix matches the required reel packaging configuration. Ensure compatibility with existing SMBus protocols before integration into final designs.
Selection Notes
Select this component when precise digital temperature monitoring is required for microprocessor systems. Evaluate the trade-off between the specified accuracy ranges and the cost benefits of integrated calibration-free operation. Consider the QSOP-16 footprint constraints during PCB layout planning.
Part Context
This part belongs to the ADM1021 series of low-cost microprocessor system temperature monitors. It serves as an alternative to previous generations of thermal management ICs, offering enhanced integration for personal computers and industrial systems requiring reliable thermal oversight without external calibration requirements.
Replacement Considerations
Public documentation identifies the ADM1021AARQZ-R7 as a pin-compatible alternative. Verify functional equivalence regarding accuracy specifications and interface compatibility before substitution.
