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DS1822+T&R Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
DS1822+T&RMAXIM2000Yes

DS1822+T&R is a digital thermometer manufactured by Maxim Integrated (now part of Analog Devices).

The DS1822+T&R is a digital thermometer manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features:

Specifications:

  • Temperature Range: -55°C to +125°C
  • Accuracy: ±2°C (-10°C to +85°C)
  • Resolution: 9 to 12 bits (programmable)
  • Supply Voltage: 3.0V to 5.5V
  • Communication Interface: 1-Wire® bus
  • Current Consumption: 1mA (active), 750nA (standby)
  • Package: TO-92 (3-pin)
  • Operating Temperature: -55°C to +125°C

Descriptions:

  • The DS1822 is a high-precision digital thermometer with a 1-Wire interface, allowing communication with a single microcontroller pin.
  • It provides temperature readings in digital form, eliminating the need for external signal conditioning.
  • The device is designed for applications requiring reliable temperature monitoring, such as industrial controls, HVAC systems, and consumer electronics.

Features:

  • Unique 64-Bit Serial Code: Each device has a factory-lasered ROM code for unique identification.
  • No External Components Required: Operates with just a single data line and ground.
  • Programmable Resolution: User-selectable from 9 to 12 bits.
  • Alarm Function: Programmable high and low temperature thresholds with nonvolatile storage.
  • Parasitic Power Mode: Can derive power directly from the data line.
  • Tape and Reel (T&R) Packaging: Suitable for automated assembly processes.

The DS1822+T&R is a cost-effective solution for digital temperature sensing with minimal system overhead.

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