Purchase DS18S20, In-stock DS18S20 From SeekIC.
MFG:DALLAS
Part Number: DS18S20
MFG: DALLAS
Description: The DS18S20 Digital Thermometer provides 9bit temperature readings which indicate the temperature of t...
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DS18S20
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DataSheet
General Description
DS18S20 General Description
The DS18S20 Digital Thermometer provides 9bit temperature readings which indicate the temperature of the device.
Information is sent to/from the DS18S20 over a 1Wire interface, so that only one wire (and ground) needs to be connected from a central microprocessor to a DS18S20. Power for reading, writing, and performing temperature conversions can be derived from the data line itself with no need for an external power source.
Because each DS18S20 contains a unique silicon serial number, multiple DS18S20s can exist on the same 1Wire bus. This allows for placing temperature sensors in many different places. Applications where this feature is useful include HVAC environmental controls, sensing temperatures inside buildings, equipment or machinery, and process monitoring and control.
DS18S20 Maximum Ratings
Voltage on Any Pin Relative to Ground ................0.5V to +6.0V
Operating Temperature ...................................55°C to +125°C
Storage Temperature ......................................55°C to +125°C
Soldering Temperature ..................See J-STD-020A specification
* This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.
DS18S20 Features
` Unique 1Wire interface requires only one port pin for communication
` 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
` Zero standby power required
` Measures temperatures from 55°C to +125°C. Fahrenheit equivalent is 67°F to +257°F
` ±0.5°C accuracy from 10°C to +85°C
` Temperature is read as a 9bit digital value
` Converts temperature to digital word in 750 ms (max.)
` Userdefinable, nonvolatile temperature alarm settings
` Alarm search command identifies and addresses devices whose temperature is outside of programmed limits (temperaturealarm condition)
` Functionally compatible with DS1820 1-Wire digital thermometer
` Applications include thermostatic controls, industrial systems, consumer products, thermometers, or any thermally sensitive system
DS18S20 Connection Diagram
DS18S20
PDF/DataSheet Download
- Datasheet: DS18S20
- File Size: 139866 KB
- Manufacturer: DALLAS [Dallas Semiconducotr]
- Click here to Download
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