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Multi Zone Temperature Monitoring Sensor MICROCHIP MCP9804T-E/MS with SMBus I2C Compatible Interface

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Multi Zone Temperature Monitoring Sensor MICROCHIP MCP9804T-E/MS with SMBus I2C Compatible Interface

Temperature Range : -40℃~+125℃

Interface : I2C;SMBus

Temperature Conversion Time : 250ms

Voltage - Supply : 2.7V~5.5V

Description : -40℃~+125℃ 2.7V~5.5V MSOP-8 Analog and Digital Output RoHS

Mfr. Part # : MCP9804T-E/MS

Model Number : MCP9804T-E/MS

Package : MSOP-8

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Product Overview

The Microchip Technology Inc. MCP9804 is a digital temperature sensor that accurately converts temperatures from -40C to +125C into a digital word. It offers user-programmable registers for flexible temperature sensing applications, including shutdown or low-power modes, and user-defined temperature alert window and critical output limits. The sensor outputs an alert signal when the temperature deviates beyond specified boundaries, with configurable alert output polarity (active-low/high) for thermostat operation or as an interrupt for microprocessor systems. It features an industry-standard 100 kHz, 2-wire, SMBus/I2C compatible serial interface, supporting multiple sensors on a single bus, making it ideal for sophisticated, multi-zone temperature monitoring.

Product Attributes

Brand: Microchip Technology Inc.
Product Name: MCP9804
Interface: I2C/SMBus Compatible

Technical Specifications

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Temperature Sensor Accuracy (-40C to +125C)	TACY	-1.0	0.25	+1.0	C	VDD = 3.3V (Note 1)
Accuracy Drift	TDRIFT		+0.05		C	VDD = 3.3V (Note 2)
Accuracy Repeatability	TREPEAT		0.0625		C	48 hours at 55C, VDD = 3.3V
Temperature Conversion Time (0.5C/bit)	tCONV		30		ms	33s/sec (typical)
Temperature Conversion Time (0.25C/bit)	tCONV		65		ms	15s/sec (typical)
Temperature Conversion Time (0.125C/bit)	tCONV		130		ms	7s/sec (typical)
Temperature Conversion Time (0.0625C/bit)	tCONV		250		ms	4s/sec (typical)
Operating Voltage Range	VDD	2.7		5.5	V
Operating Current	IDD		200	400	A
Shutdown Current	ISHDN		0.1	2	A
Power-on Reset (POR) Threshold	VPOR		2.2		V	Threshold for falling VDD
Power Supply Rejection	C/VDD		-0.1		C/V	VDD = 2.7V to 5.5V, TA = +25C
Alert Output High-Level Current (leakage)	IOH			1	A	VOH = VDD (Active-Low, Pull-up Resistor)
Alert Output Low-Level Voltage	VOL			0.4	V	IOL= 3 mA (Active-Low, Pull-up Resistor)
Thermal Response, 8L-DFN (to 63% at +125C)	tRES		0.7		s	from +25C (air) to +125C (oil bath)
Thermal Response, 8L-MSOP (to 63% at +125C)	tRES		1.4		s	from +25C (air) to +125C (oil bath)
Serial port frequency	fSCL	0	100	400	kHz	(Note 2, Note 4)
Low Clock	tLOW	4700		1300	ns	(Note 2)
High Clock	tHIGH	4000		600	ns	(Note 2)
Rise Time	tR		1000	20	ns
Fall Time	tF	20	300	20	ns
Data in Setup Time	tSU-DI	250		100	ns	(Note 3)
Data in Hold Time	tHD-DI	0		0	ns	(Note 5)
Data out Hold Time	tHD-DO	300		200	ns	(Note 4)
Start Condition Setup Time	tSU-START	4700		600	ns
Start Condition Hold Time	tHD-START	4000		600	ns
Stop Condition Setup Time	tSU-STOP	4000		600	ns
Bus Free	tB-FREE	4700		1300	ns
Time-out	tOUT	25	50	25	ms
Bus Capacitive load	Cb			400	pf
Specified Temperature Range	TA	-40		+125	C	(Note 1)
Operating Temperature Range	TA	-40		+125	C
Storage Temperature Range	TA	-65		+150	C
Thermal Resistance, 8L-DFN	JA		41		C/W
Thermal Resistance, 8L-MSOP	JA		206		C/W

2410121817_MICROCHIP-MCP9804T-E-MS_C627722.pdf

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