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Última actualización: 2026-01-30T00:09:51.940Z
Descripción
Description:Microchip Technology Inc.'s MCP9808 digital temperature sensor converts temperatures between -20°C and +100°C into digital words with an accuracy of ±0.25°C/±0.5°C (typical/maximum).The MCP9808 is equipped with user-programmable registers to provide flexibility for temperature sensing applications. These registers allow the user to select settings such as shutdown or low power mode, as well as specifications for temperature alarm window limits and critical output limits. The MCP9808 outputs an alarm signal when the temperature changes beyond the specified boundary limit. The user can choose to set the alarm output signal polarity to an active low comparator or active high comparator output for thermostat operation or as a temperature alarm interrupt output for a microprocessor based system. The alarm output can also only be configured as a critical temperature output.The sensor features an industry-standard 400 kHz, 2-wire, smbus/i2c-compatible serial interface that allows up to 8 or 16 sensors to be controlled using a single serial bus (see Table 3-2 for available address codes). These features make the MCP9808 ideal for complex multi-zone temperature monitoring applications.
Feature:. Accuracy:- ± 0.25 (typical) from -40 ° C to +125 ° C- ±0.5 °C (maximum) from -20 ° C to 100 ° C±1°C (maximum) in the range of 40°C to +125°C. User selectable measurement resolution:-+0.5°C, +0.25°C, +0.125°C, +0.0625°C. User programmable temperature limit:- temperature window limit. User programmable temperature alarm output
. Operating voltage range: 2.7V to 5.5V
. Working current: 200μA (typical). Shutdown current: 0.1 microamperes (typical). Available packaging: 2x3 DFN-8, MSOP-8Typical Application
. Operating voltage range: 2.7V to 5.5V
. Working current: 200μA (typical). Shutdown current: 0.1 microamperes (typical). Available packaging: 2x3 DFN-8, MSOP-8Typical Application
General purpose
Industrial applications
Industrial refrigerators and refrigerators
food processing
PC and server
PC peripherals
Consumer Electronics
Handheld/portable equipment
Temperature accuracy:
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