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SpeedFan 4.52
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Maxim MAX1668 (sensor)

Added by ALMICO on 11 may 2002

The MAX1668/MAX1805 are precise multichannel digital thermometers that report the temperature of all remote sensors and their own packages. The remote sensors are diode-connected transistors - typically lowcost, easily mounted 2N3904 NPN types - that replace conventional thermistors or thermocouples. Remote accuracy is +-3C for multiple transistor manufacturers, with no calibration needed. The remote channels can also measure the die temperature of other ICs, such as microprocessors, that contain an on-chip, diode-connected transistor. The 2-wire serial interface accepts standard System Management Bus (SMBus) Write Byte, Read Byte, Send Byte, and Receive Byte commands to program the alarm thresholds and to read temperature data. The data format is 7 bits plus sign, with each bit corresponding to 1C, in two's-complement format. The MAX1668/MAX1805 are available in small, 16-pin QSOP surface-mount packages.

Feature Date Vote Voted by Comment
Reliability 20 sep 2003 10 POSSESSED
Does the job perfect
14 nov 2002 10 ACE-ONE
Excelent accuracy. All 3 of my BC547 sensors read same value ambient temperature.
Ease of use 20 sep 2003 5 POSSESSED
Easy to use with speedfan providing you can build the Circuit.
14 nov 2002 1 ACE-ONE
Requires soldering skills if you want to add this to your system.
Features 20 sep 2003 5 POSSESSED
Accurate temp monitoring, nothing more, nothing less...
14 nov 2002 10 ACE-ONE
One on-chip and 4 (!) Remote Temperature sensors.

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