Ecvv Trade
Guangzhou Jian Yuan Electronics Co., Ltd.

China Manufacturer with main products: Sensor Temperature, NTC Sensor, Temperature Sensor, Temperature Controller

Home  >Products Catalog > Digital temperature sensor for automatic devices(DS18B20)

Digital temperature sensor for automatic devices(DS18B20)

FOB Price: 1.00 - 3.00 USD/Piece
Supply Ability: 50,000 Piece/Pieces per Week
Payment Terms: T/T, Paypal
In Stock
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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Guangdong in China
Packaging Details: according to the customer's need


Detailed Product Description

DS18b20 Digital sensor :
1.Multidrop capability simplifies distributed
2.Zero standby power required

DS18b20 Digital Sensor :
Unique 1-Wire interface requires only one
port pin for communication
1.Multidrop capability simplifies distributed
temperature sensing applications
2.Requires no external components
3.Can be powered from data line. Power supply
range is 3.0V to 5.5V
4.Zero standby power required
5.Measures temperatures from -55°C to
+125°C. Fahrenheit equivalent is -67°F to
6.±0.5°C accuracy from -10°C to +85°C
7.Thermometer resolution is programmable
from 9 to 12 bits
8.Converts 12-bit temperature to digital word in
750 ms (max.)
9.User-definable, nonvolatile temperature alarm
settings DS18B20Z
10.Alarm search command identifies and 8-Pin SOIC (150 mil)
addresses devices whose temperature is
outside of programmed limits (temperature PIN DESCRIPTION
alarm condition)
11.Applications include thermostatic controls, DQ - Data In/Out
industrial systems, consumer products, VDD - Power Supply Voltage
thermometers, or any thermally sensitive NC - No Connect
The DS18B20 Digital Thermometer provides 9 to 12-bit (configurable) temperature readings which indicate the temperature of the device. Information is sent to/from the DS18B20 over a 1-Wire interface, so that only one wire (and ground)
needs to be connected from a central microprocessor to a DS18B20. 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 DS18B20 contains a unique silicon serial number, multiple DS18B20s can exist on the
same 1-Wire 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.

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