The Texas Instruments digital temperature sensor an integrated digital temperature sensor with a 12 bit analog to digital converter that can operate at a 1.8 V supply. Requires no external components to sense the temperature. This sensor is capable of reading temperatures with a resolution of 0.0625 degree Celsius.

Low voltage alternative to LM75 and TMP75
Digital output with standard two wire serial
Up to 8 pin programmable bus addresses
Shutdown mode for battery power saving
One shot conversion mode for custom update rates