Low-Voltage, ±0.5°C Accuracy Digital Thermometer and Thermostat

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First Digital, Temperature Sensor to Operate Down to 1.7V

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Info: : PRODUCTION tooltip
Part Details
Part Models 2
1ku List Price Starting From $3.12
  • Low-Voltage Operation: 1.7V to 3.5V
  • ±0.5°C Accuracy from 0°C to +70°C
  • Operating Temperature Range: -55°C to +125°C (-67°F to +257°F)
  • Temperature Measurements Require No External Components
  • Resolution is User-Selectable to 10-, 11-, 12-, or 13-Bits (0.5°C, 0.25°C, 0.125°C, and 0.0625°C LSb Weight, Respectively)
  • Multidroppable
  • Fast (200ms max) Temperature-to-Digital Conversion Time
  • Thermostatic Settings are User-Definable and Nonvolatile
  • Standalone Thermostat Capability
  • Data is Read/Written Through a 2-Wire Serial Interface
  • Package: 8-Pin µSOP
Additional Details
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The DS620 digital thermometer and thermostat provides low-voltage (1.7V < VDD < 3.5V) temperature measurements with ±0.5°C accuracy from 0°C to +70°C and an operating temperature range of -55°C to +125°C. The DS620 communicates over a 2-wire digital interface. For distributed-sensing applications, it is multidroppable with three address pins that allow up to eight DS620s to operate on a single bus.

The DS620 has thermostat functionality with userdefined thresholds stored in EEPROM registers, and it can be configured for standalone thermostat operation. The programmable output (PO) pin serves as the thermostat output, and this pin can also be configured to function as an active-low control for peripheral devices.


  • Computers/Servers
  • Industrial
  • Low-Voltage Temperature-Sensitive Applications
  • Medical Instruments
  • Portable Applications
  • Test Equipment
Part Models 2
1ku List Price Starting From $3.12

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