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LM64

PinoutSpecificationsTemp Resolution11-bit/0.125degCRemote Diode Thermal Sensors1TruTherm(TM) Beta CompensationNoAnalog InputsUndefinedADC ResolutionUndefined bitsFan Speed Inputs1Fan Control Output(s)1 PWMFan Control MethodLookup TableVID InputsUndefinedDynamic VID VCCP MonitoringUndefinedBidirect...

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SeekIC No. : 004396080 Detail

LM64: PinoutSpecificationsTemp Resolution11-bit/0.125degCRemote Diode Thermal Sensors1TruTherm(TM) Beta CompensationNoAnalog InputsUndefinedADC ResolutionUndefined bitsFan Speed Inputs1Fan Control Output(...

LM64 Data Sheet

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Part Number:
LM64
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Pinout




Specifications

Temp Resolution11-bit/0.125degC
Remote Diode Thermal Sensors1
TruTherm(TM) Beta CompensationNo
Analog InputsUndefined
ADC ResolutionUndefined bits
Fan Speed Inputs1
Fan Control Output(s)1 PWM
Fan Control MethodLookup Table
VID InputsUndefined
Dynamic VID VCCP MonitoringUndefined
Bidirectional PROCHOT SupportUndefined
GPIOs5 GPIO, 5 GPD
Interrupt Outputs1
Reference VoltageUndefined
Temperature Accuracy (+/-)1 deg C
Temperature Min0 deg C
Temperature Max125 deg C
Interface TypeSMBus
Supply Min3 Volt
Supply Max3.6 Volt
Quiescent Current1.1 mA
Resolution11 bits
Temperature Accuracy (+/-)1 deg C
Automotive Selection GuideYes
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Description

The LM64 is a remote diode temperature sensor with PWM fan control. The LM64 accurately measures its own temperature and that of a remote diode. The LM64 remote temperature accuracy is factory trimmed for a MMBT3904 diode-connected transistor with a 16°C offset for high temperatures.

The LM64 features a PWM, open-drain, fan control output, 5 GPIO (General Purpose Input/Output) and 5 GPD (General Purpose Default) pins. The 8-step Lookup Table allows for a non-linear fan speed vs. temperature transfer function often used to quiet acoustic fan noise.

Reliability Metrics

Part Number Process EFR Reject EFR Sample Size PPM LTA Rejects LTA Device Hours FITS MTTF (Hours)
LM64CILQ-F CMOS7 0 16561 0 0 954000 4 270700104
LM64CILQX-F CMOS7 0 16561 0 0 954000 4 270700104

Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

For more information on Reliability Metrics, please click here.


Design Tools

Title Size in Kbytes Date    
SensorEval Software for Thermal Mangement Products 6 Kbytes 15-May-2008 View    

If you have trouble printing or viewing PDF file(s), see Printing Problems.




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