Maxim Integrated Programmable Resolution 1-Wire Digital Thermometer With 4-Bit ID DS1825

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Programmable Resolution 1-Wire Digital Thermometer With 4-Bit ID - DS1825 - Maxim Integrated
San Jose, CA, USA
Programmable Resolution 1-Wire Digital Thermometer With 4-Bit ID DS1825
The DS1825 digital thermometer provides 9 to 12-bit centigrade temperature measurements and has an alarm function with NV user-programmable upper and lower trigger points. The DS1825 communicates over a 1-Wire® bus that by definition 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 ±0.5°C over the range of -10°C to +85°C. In addition, the DS1825 can derive power directly from the data line (“parasite power”), eliminating the need for an external power supply. Each DS1825 has a unique 64-bit serial code, which allows multiple DS1825s to function on the same 1-Wire bus; thus, it is simple to use one microprocessor to control many DS1825s distributed over a large area. In addition, the 4-bit location address can be used to identify specific temperature sensors in the system without requiring a wide lookup table. 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.
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Technical Specifications

  Maxim Integrated
Product Category Sensor Chips
Product Number DS1825
Product Name Programmable Resolution 1-Wire Digital Thermometer With 4-Bit ID
Operating Temperature -55 to 125 C (-67 to 257 F)
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