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DS1822+T&R

Temperature Sensor IC, 1-Wire, Digital, ± 2°C, -55 °C, 125 °C, TO-92, 3 Pins

DS1822+T&R - Temperature Sensor IC, 1-Wire, Digital, ± 2°C, -55 °C, 125 °C, TO-92, 3 Pins

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Manufacturer Part No:
DS1822+T&R
Order Code:
2798742
Technical Datasheet:
DS1822+T&R   Datasheet
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Product Overview

The DS1822+T&R from Maxim Integrated Products is an Econo 1 wire digital thermometer in 3 pin TO-92 package. It is a digital thermometer which provides 9 to 12bit centigrade temperature measurements and has an alarm function with NV user programmable upper and lower trigger points. The DS1822 communicates over a 1 wire bus which requires only one data line (and ground) for communication with a central microprocessor. It has an operating temperature range of -55°C to +125°C and is accurate to ±2.0°C over the range of -10°C to +85°C. Each DS1822 has a unique 64bit serial code which allows multiple DS1822s to function on the 1 wire bus thus it is simple to use one microprocessor to control many DS1822s distributed over a large area. Applications that can benefit from this feature include HVAC environmental controls, temperature monitoring systems inside buildings, equipment or machinery and process monitoring and control systems.
  • Supply voltage range is 3V to 5.5V
  • Converts temperature to 12bit digital word in 750ms
  • Flexible user definable NV alarm settings with alarm search command
  • Software compatible with the DS18B20
  • Simplifies distributed temperature sensing with multidrop capability
  • Reduced component count with integrated temperature sensor and interface
  • Requires no external components

Applications

Sensing & Instrumentation, Industrial, Consumer Electronics

Product Information

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Digital

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± 2°C

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-55°C

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125°C

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TO-92

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3Pins

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3V

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5.5V

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-

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-

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-
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Technical Docs (3)

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