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LM64 Datasheet - National Semiconductor

LM64_NationalSemiconductor.pdf

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Datasheet Details

Part number:

LM64

Manufacturer:

National Semiconductor

File Size:

376.58 KB

Description:

1c remote diode temperature sensor.

LM64, 1C Remote Diode Temperature Sensor

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 diodeconnected transistor with a 16˚C offset for high temperatures.

TACTUAL DIODE JU

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. Key Specifications n Remote Diode Temperature Ac

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