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MCP9808 Fiches technique(PDF) 15 Page - Microchip Technology |
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MCP9808 Fiches technique(HTML) 15 Page - Microchip Technology |
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15 / 52 page ![]() © 2011 Microchip Technology Inc. DS25095A-page 15 MCP9808 5.0 FUNCTIONAL DESCRIPTION The MCP9808 temperature sensors consist of a band- gap-type temperature sensor, a Delta-Sigma Analog-to- Digital Converter ( ΔΣ ADC), user-programmable registers and a 2-wire SMBus/I2C protocol compatible serial interface. Figure 5-1 shows a block diagram of the register structure. FIGURE 5-1: Functional Block Diagram. Clear Alert +0.5°C +0.25°C +0.125°C +0.0625°C Temperature TLOWER Limit Configuration ΔΣ ADC Band Gap Temperature Sensor Alert Status Output Control Critical Alert Only Alert Polarity Alert Comp/Int TCRITICAL Limit Register Pointer Critical Trip Lock Alarm Win. Lock Shutdown Hysteresis Manufacturer ID Resolution Device ID/Rev SMBus/Standard I2C™ Interface A0 A1 A2 Alert SDA SCL VDD GND TUPPER Limit |
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