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MAX31826
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Category:Digital temperature sensor
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Product Name:Digital temperature sensor
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Manufacturers:MAXIM
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Production Batch Number:12+
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Encapsulation:USOP
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Stock Status:There is stock
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Stock Quantity:8000
- Minimum order quantity: 1
- Details:
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MAX31826
Digital temperature sensor
description
The MAX31826's digital thermometer provides 12-bit temperature measurement over 1-WireM bus communication, requiring the definition of only one data line for communication (and ground) with the central microcontroller. It has an operating temperature range of -55°C to +125°C, accurate to the range above ±0.5°C -10°C to +85°C. In addition, the device can derive power directly from the data line ("parasitic power"), eliminating the need for an external power supply.
Each device has a unique 64-bit serial code, which allows multiple devices to function on the same 1-Wire bus. Therefore, it is simply a single microcontroller (master) that controls many devices over a large area. The unit includes 128 bytes of EEPROM for storing system data (1KB). Locking EEPROM permanently prevents any further data writes. Address entry for four locations, simplifying mapping to a single device to a specific location.
Key features
- The unique 1-Wire interface requires only one communication port pin
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Integrated temperature sensor and EEPROM reduce component count
- Measurement temperature from -55°C to +125°C (-67°F to +257°F - )
- ±0.5°C accuracy from -10°C to +85°C
- 12-bit temperature resolution (0.0625°C)
- 1KB EEPROM can be locked to prevent further writes
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Multi-point capability simplifies multi-sensor systems
- Each device has a unique 64-bit serial code stored on the on-board disc
- Four pin-programmable bits uniquely identify up to 16 sensor locations on the bus
- Can be powered from data line (3.0V to 3.7V supply voltage range)
- 8-pin μMAX package
Application/Purpose
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Building automation
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Consumer electronic devices
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Industrial systems
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Module ID
- System calibration
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