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MAX31820MCR ambient temperature sensor provides 9-bit to 12-bit Celsius temperature measurements with ±0.5°C accuracy over a +10°C to +45°C temperature range. Over its entire -55°C to +125°C operating range, the device has ±2.0°C accuracy.

Features

Unique 1-Wire Interface Requires Only One Port Pin for Communication

Each Device has a Unique 64-Bit Serial Code Stored in On-Board ROM

Multidrop Capability Simplifies Distributed Temperature-Sensing Applications

Requires No External Components

Can Be Powered from Data Line; 3.0V to 3.7V Power-Supply Range

Measures Temperatures from -55°C to +125°C (-67°F to +257°F)

±0.5°C Accuracy from +10°C to +45°C

Thermometer Resolution is User-Selectable from 9 Bits to 12 Bits

Converts Temperature to 12-Bit Digital Word in 750ms (Max)

User-Definable Nonvolatile (NV) Alarm Settings

Alarm Search Command Identifies and Addresses Devices Whose Temperature is Outside Programmed Limits (Temperature Alarm Condition)

Available in 3-Pin TO-92 Package

TO-92 Package Allows Measurement of Ambient Temperature

Software Compatible with the DS1822 and DS18B20

Applications

Any Thermally Sensitive System

Consumer Products

HVAC Environmental Controls

Industrial Systems

Process Monitoring and Control Systems

Temperature Monitoring Systems Inside Buildings, Equipment, or Machinery

Thermometers

Thermostatic Controls

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.