DS18B20

الوصف

DALLAS DS*8B*0 ***3+ TO**2 new made in dallas FEATURES Unique *-Wire® interface requires only one port pin for communication Each device has a unique **-bit serial code stored in an onboard ROM Multidrop capability simplifies distributed temperature sensing applications Requires no external components Can be powered from data line. Power supply range is 3.0V to 5.5V Measures temperatures from –*5°C to ***5°C (–*7°F to ***7°F) 0.5C accuracy from –*0°C to **5°C Thermometer resolution is user-selectable from 9 to *2 bits Converts temperature to **-bit digital word in **0ms (max.) User-definable nonvolatile (NV) alarm settings Alarm search command identifies and addresses devices whose temperature is outside of programmed limits (temperature alarm condition) Available in *-pin SO (**0mil), *-pin SOP, and *-pin TO**2 packages Software compatible with the DS***2 Applications include thermostatic controls, industrial systems, consumer products, thermometers, or any thermally sensitive system PIN ASSIGNMENT PIN DESCRIPTION GND - Ground DQ - Data In/Out VDD - Power Supply