Hold those temperature sensors :)

A new Maxim brochure just across my desk lists a new temperature sensor from
Dallas/Maxim, the DS18B20 +/-0.5C accurate over -10 to +85 range (also
available as +/-2C as a DS1822) with user configurable from 9 to 12 bits
resolution. Uses the 1-wire bus system.

Other interesting devices are the MAX6674/5 which is a direct thermocouple
to digital converter in 8 pin SO package, integrated cold junction
compensation, 10/12 bit word, and SPI interface.

MAX6682/6691 thermistor to digital which minimises the thermistor
dissipation by only having current through it when needing to do the
measurement. 10 bit, SPI interface, 6682 handles single thermistor, 6691
handles 4 thermistors.

Various other as well, including an LM75 replacement (DS1775) in a 5 pin
SOT23 package.

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