The DS1620/1621 is a temperature-to-digital converter with over/under-temperature alarm outputs. Temperature is supplied as a 9-bit value. Applications include PCs, mobile phones, office equipment and data loggers.

Measurement temperature range: -55 to +125°C
Data output: 3-wire serial (DS1620), 2-wire serial I²C bus (DS1621)
Conversion Time (Max): 750ms
Power supply: +2.7V to +5.5Vdc

Simply Adds Temperature Monitoring and Control to Any System
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
Temperature is Read as a 9-Bit Value
Converts Temperature to Digital Word in 750ms (max)
Thermostatic Settings are User-Definable and Nonvolatile
Can Be Used in a Wide Variety of Applications
Supply Voltage Range Covers From 2.7V to 5.5V
Data is Read From/Written Via a 3-Wire Serial Interface (CLK, DQ, Active-Low RST )
Saves Space
Requires No External Components
8-Pin DIP or SOIC (208-mil) Packages
Applications
Consumer Products
Industrial Systems
Thermometers
Thermostatic Controls

Simply Adds Temperature Monitoring and Control to Any System
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
Temperature is Read as a 9-Bit Value
Converts Temperature to Digital Word in 750ms (max)
Thermostatic Settings are User-Definable and Nonvolatile
Can Be Used in a Wide Variety of Applications
Supply Voltage Range Covers From 2.7V to 5.5V
Data is Read From/Written Via a 3-Wire Serial Interface (CLK, DQ, Active-Low RST )
Saves Space
Requires No External Components
8-Pin DIP or SOIC (208-mil) Packages
Applications
Consumer Products
Industrial Systems
Thermometers
Thermostatic Controls

Please note that any defect or non – conformance of this product must be discovered and reported to RS within 20 days of purchase.

Temperature & Humidity Sensors, Maxim Integrated