LM81CIMT-3Hardware Monitor -40°C ~ 125°C Internal and External Sensor 2-Wire SMBus Output 24-TSSOP
1:$2.9120
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ABRmicro #.ABR738-LM81CI-326298
ManufacturerTexas Instruments
MPN #.LM81CIMT-3
Estimated Lead Time-
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Datasheet
LM81 (PDF)
LM81 (PDF)
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Min.&Mult.1
Packaging
Tube
Shipping DateDecember 24, 2024
* Quantity
Unit Price$2.9120
Ext. Price$2.9120
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Price Gradients
Qty.Unit PriceExt. Price
183$2.9120$532.9530
* Prices are for reference only and are subject to change. Final sales prices will be confirmed at the time of purchase.
Technical Specifications
Series-
Packaging
Tube
Lifecycle StatusObsolete
Accuracy±3°C(Max)
Base Product NumberLM81
FunctionHardware Monitor
Mounting StyleSurface Mount
Operating Temperature-40°C ~ 125°C
Output AlarmYes
Output FanYes
Output Type2-Wire SMBus
Sensing Temperature-40°C ~ 125°C
Sensor TypeInternal and External
Package Type (Mfr.)24-TSSOP
TopologyADC (Sigma Delta), Comparator, Fan Speed Control, Register Bank
Supply Voltage2.8V ~ 3.8V
Package / Case24-TSSOP (0.173", 4.40mm Width)
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Datasheets
PCN Design/Specification
Environmental & Export Classifications
RoHS ComplianceNot RoHS compliant and cannot enter the EU market
MSL Level1 (Unlimited, ≤ 30°C/85% RH), No special packaging
REACH RegulationNo SVHCs Present
US ECCNEAR99
HTSUS8542.39.0001 (No rates found in the Harmonized Tariff Schedule)
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Additional Details
The LM81CIMT-3, manufactured by Texas Instruments, is a hardware monitor designed to operate within a temperature range of -40°C to 125°C. It integrates both internal and external sensors and communicates via a 2-Wire SMBus interface. This component offers precise temperature monitoring with a maximum error margin of ±3°C and functions within a voltage range of 2.8V to 3.8V. Additionally, it features an ADC based on Sigma Delta architecture, a comparator, fan speed control capabilities, and a register bank, all encased in a 24-TSSOP package, making it suitable for systematic thermal management.
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