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Maxim temperature sensor uses integrated ADC

Posted: 19 Aug 2004 ?? ?Print Version ?Bookmark and Share

Keywords:maxim integrated products? max7500? max7501? max7502? temperature sensor?

Maxim Integrated Products unveiled its latest product offering - small, low-cost, single temperature sensors that accurately measure and convert temperature to digital format using an integrated low-noise, sigma-delta ADC.

The MAX7500, MAX7501 and MAX7502 sensors communicate via an I?C-compatible, 2-wire serial interface. Internal bus-lockup (timeout) protection guards against communication errors by detecting I?C bus-lockup conditions and resetting the temperature sensor's bus interface. According to Maxim, these features make the temperature sensors the ideal choice for a variety of applications, including PCs, servers and industrial process control.

The MAX7500 features three address-select lines, while the MAX7501 and MAX7502 offer two address-select lines and a manual reset input. Manual reset input provides a way to reset the bus and all the internal registers to their original POR values. All devices operate from a 3V to 5.5V supply-voltage range and consume 250?A of supply current. They operate over the -55C to 125C temperature range, with pricing starting at 65 cents (2,500-up, FOB USA).

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