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MICROCHIP MCP9808T-E MC digital temperature sensor featuring programmable registers and alert output

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MICROCHIP MCP9808T-E MC digital temperature sensor featuring programmable registers and alert output

Temperature Range : -40℃~+125℃

Interface : I2C;SMBus

Temperature Conversion Time : 250ms

Voltage - Supply : 2.7V~5.5V

Description : -40℃~+125℃ 2.7V~5.5V DFN-8-EP(2x3) Analog and Digital Output RoHS

Mfr. Part # : MCP9808T-E/MC

Model Number : MCP9808T-E/MC

Package : DFN-8-EP(2x3)

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MCP9808 Digital Temperature Sensor

The MCP9808 is a high-accuracy digital temperature sensor that converts temperatures to a digital word with exceptional precision. It features user-programmable registers for flexible temperature sensing applications, allowing for selectable settings such as shutdown or low-power modes, and the specification of temperature alert window limits and critical output limits. The device outputs an alert signal when the temperature changes beyond specified boundaries, which can be configured as an active-low or active-high comparator output for thermostat operation, or as a temperature alert interrupt output for microprocessor-based systems. It can also be configured as a critical temperature output only. With an industry-standard 400 kHz, 2-wire, SMBus/I2C compatible serial interface, the MCP9808 is suitable for sophisticated, multi-zone, temperature-monitoring applications in general purpose, industrial, food processing, personal computer, server, PC peripheral, consumer electronics, and handheld/portable device sectors.

Product Attributes

Brand: Microchip Technology Inc.
Interface: I2C/SMBus Compatible
Available Packages: 2x3 DFN-8, MSOP-8

Technical Specifications

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Temperature Sensor Accuracy (-20C < TA +100C)	TACY		0.25	0.5	C	VDD = 3.3V
Temperature Sensor Accuracy (-40C < TA +125C)	TACY		0.25	1.0	C	VDD = 3.3V
Measurement Resolution			+0.5, +0.25, +0.125, +0.0625		C	User-Selectable
Operating Voltage Range	VDD	2.7		5.5	V
Operating Current	IDD		200	400	A
Shutdown Current	ISHDN		0.1	2	A
Temperature Conversion Time (0.5C/bit)	tCONV		30		ms	33s/sec (typical)
Temperature Conversion Time (0.0625C/bit)	tCONV		250		ms	4s/sec (typical)
Absolute Maximum Supply Voltage	VDD			6.0	V
Storage Temperature	TA	-65		+150	C
Ambient Temperature with Power Applied	TA	-40		+125	C
Junction Temperature	TJ			+150	C
Serial Port Clock Frequency	fSC	0		400	kHz	2-Wire SMBus/Standard Mode I2C Compatible Interface
Low Clock Time	tLOW	1300			ns
High Clock Time	tHIGH	600			ns
Data in Setup Time	tSU-DI	100			ns
Data Out Hold Time	tHD-DO	200		900	ns
Start Condition Setup Time	tSU-START	600			ns
Stop Condition Setup Time	tSU-STOP	600			ns
Bus Free Time	tB-FREE	1300			ns
Bus Capacitive Load	Cb			400	pf
Thermal Resistance (8L-DFN)	JA		68		C/W
Thermal Resistance (8L-MSOP)	JA		211		C/W

2409300937_MICROCHIP-MCP9808T-E-MC_C194710.pdf

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