Maxim Integrated DS1621
Digital Thermometer
FEATURES
● Simply Adds Temperature Monitoring and Control to Any System o Measures Temperatures From -55°C to +125°C in 0.5°C Increments. Fahrenheit Equivalent is -67°F to 257°F in 0.9°F Increments o Temperature is Read as a 9-Bit Value (2Byte Transfer) o Converts Temperature to Digital Word in Less than 1s o Thermostatic Settings are User Definable And Nonvolatile● Can Be Used in a Wide Variety of
APPLICATIONS
o Power Supply Range (2.7V to 5.5V) o Data is Read From/Written Via a 2-Wire Serial Interface (Open Drain I/O Lines)● Saves Space o Temperature Measurements Require No External Components o 8-pin DIP or SO package (208-mil) Packages PIN ASSIGNMENT SDA 1 8 SCL 2 7 TOUT GND 3 4 6 5 VDD A0 A1 A2 DS1621S 8-PIN SO (150mil) DS1621V 8-PIN SO (208mil) SDA SCL TOUT GND 1 2 3 4 8 VDD 7 A0 6 A1 5 A2 DS1621 8-PIN DIP (300mil)
APPLICATIONS
⋅ Thermostatic Controls ⋅ Industrial Systems ⋅ Consumer Products ⋅ Ther