Texas Instruments

Category: Power Management ICs

LM81 Local temp sensor, fan control, hardware and 6 power supply voltage monitors

$0.90 - $4.18
Distributor SKU Stock MOQ 1 10 50 100 1000 10000 Purchase
DigiKey 296-35314-1-ND 2577 1 $5.72 $4.38 $4.05 $3.68 $3.31 $2.97 Buy
Arrow Asia LM81CIMTX-3/NOPB 2500 2500 $2.20 Buy
Arrow North American Components LM81CIMTX-3/NOPB 0 2500 $2.21 Buy
AVNET Asia Pacific LM81CIMTX-3/NOPB 2500 $2.55 Buy
AVNET Europe LM81CIMTX-3/NOPB 2500 * $2.93 Buy
AVNET Express LM81CIMTX-3/NOPB 4850 1 $2.65 $2.60 Buy
Mouser Electronics 926-LM81CIMTX-3/NOPB 2092 1 $3.42 $3.06 $3.06 $2.77 $2.68 $2.68 Buy
Newark LM81CIMTX-3/NOPB $2.01 $2.01 $2.01 $2.01 $2.01 $2.01 Buy
Texas Instruments LM81CIMTX-3/NOPB 315 1 $4.18 $4.18 $4.18 $3.66 $2.07 $2.07 Buy
Verical Marketplace LM81CIMTX-3/NOPB 3 3 $4.24 $4.01 $3.32 $2.89 $2.21 Buy
Win Source LM81CIMTX-3/NOPB 7697 9 $2.22 $2.09 $1.84 $1.84 Buy

Parts in family

Technical Specifications

Lead Free Status Yes
ROHS Compliance Yes
Analog Inputs 6
Approx. Price (US$) 1.79 | 1ku
Fan Control Method Manual
Fan Control Output(s) 1 DAC
Fan Speed Inputs 2
Fan Speed Measurement Accuracy(%) 10
GPIOs 5 VID, Chassis Intrusion, 2 TACH, DAC OUT, INT, TCRIT, RESET
Interface Type SMBus
Interrupt Outputs(Count) 2
No. of Temperature Sensors 1
Operating Temperature Range(C) -40 to 125
Package Group TSSOP
Package Size mm2
Quiescent Current(mA) 0.9
Rating Catalog
Supply Current(Max)(mA) 0.9
Supply Voltage(Max)(V) 3.8
Supply Voltage(Min)(V) 2.8
Temperature Sensor Accuracy(C) 3
Temperature Sensor Resolution(C) 0.0625
TruTherm(TM) Beta Compensation N/A
VID Inputs 5
Voltage in ADC Resolution(bits) 8