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MCP9844 Datasheet(PDF) 11 Page - Microchip Technology

No. de pieza MCP9844
Descripción Electrónicos  짹1째C Accurate, 1.8V Digital Temperature Sensor
PDF  44 Pages
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Fabricante Electrónico  MICROCHIP [Microchip Technology]
Página de inicio  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP9844 Datasheet(HTML) 11 Page - Microchip Technology

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 2013 Microchip Technology Inc.
DS20005192A-page 11
MCP9844
5.0
FUNCTIONAL DESCRIPTION
The MCP9844 temperature sensors consist of a band-
gap type temperature sensor, a Delta-Sigma Analog-to-
Digital Converter (
 ADC), user programmable
registers and a 2-wire I2C protocol compatible serial
interface. Figure 5-1 shows a block diagram of the
register structure.
FIGURE 5-1:
Functional Block Diagram.
Clear Event
0.5°C/bit
0.25°C/bit
0.125°C/bit
0.0625°C/bit
Temperature
TUPPER
TLOWER
Configuration
 ADC
Band-Gap
Temperature
Sensor
Event Status
Output Control
Critical Event only
Event Polarity
Event Comp/Int
TCRIT
Capability
Temp. Range
Accuracy
Output Feature
Register
Pointer
Critical Trip Lock
Alarm Win. Lock Bit
Shutdown
Hysteresis
Manufacturer ID
Resolution
Device ID/Rev
Selected Resolution
Standard I2C
Interface
A0
A1
A2
Event
SDA
SCL
VDD
GND
I2C™ Bus Time-out
Shutdown Status
MCP9844 Temperature Sensor



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