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DS1821S+T&R

SENSOR TEMPERATURE 1-WIRE 8SO

Product Category: Temperature Sensors - Analog and Digital Output
Mfr. Part #
DS1821S+T&R
Manufacturer: Maxim Integrated
Package: 8-SOIC (0.209", 5.30mm Width)
Lead Free Status /RoHS Status:
Data Sheet: DS1821S+T&R Datasheet
Inventory: In Stock

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Mfr. Part #: DS1821S+T&R

Specifications
Product Details

Specifications

Manufacturer Maxim Integrated

Product Category Temperature Sensors - Analog and Digital Output

Series -

Packaging Tape & Reel (TR) Alternate Packaging

Package-Case 8-SOIC (0.209", 5.30mm Width)

Operating-Temperature -55Â°C ~ 125Â°C

Output-Type 1-WireR

Features One-Shot, Output Switch, Programmable Limit, Standby Mode

Voltage-Supply 2.7 V ~ 5.5 V

Supplier-Device-Package 8-SO

Resolution 7 b

Sensor-Type Digital, Local

Test-Condition 0Â°C ~ 85Â°C

Local Temperature Sensors -55Â°C ~ 125Â°C

Remote Temperature Monitor -

Accuracy-Highest-Lowest Â±1Â°C

Product Details

DESCRIPTION

The DS1821 can function as a standalone thermostat with user-programmable trip-points or as 8-bit temperature sensor with a 1-Wire digital interface. The thermostat trip-points are stored in nonvolatile memory, so DS1821 units can be programmed prior to system insertion for true standalone operation. The DS1821 has an operating temperature range of â€“55Â°C to +125Â°C and is accurate to Â±1Â°C over a range of 0Â°C to +85Â°C. Communication with the DS1821 is accomplished through the open-drain DQ pin; this pin also serves as the thermostat output.

FEATURES

-Requires no external components
-Unique 1-WireÂ® interface requires only one port pin for communication
-Operates over a -55Â°C to +125Â°C (-67Â°F to +257Â°F) temperature range
-Functions as a standalone thermostat with user-definable trip-points
Âƒ-Provides 8-bit (1Â°C resolution) centigrade temperature measurements
-Accuracy is Â±1Â°C over 0Â°C to +85Â°C range
-Converts temperature to a digital word in 1 second (max)
-Available in 3-pin PR35 and 8-pin SO packages
-Applications include thermostatic controls, industrial systems, consumer products, thermometers, or any thermally sensitive system

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Mfr. Part #: DS1821S+T&R