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Temperature sensor MICROCHIP MCP9804-E/MS with wide temperature range and programmable shutdown modes

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Temperature sensor MICROCHIP MCP9804-E/MS with wide temperature range and programmable shutdown modes

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 # : MCP9804-E/MS

Model Number : MCP9804-E/MS

Package : MSOP-8

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Product Overview

The Microchip Technology Inc. MCP9804 is a digital temperature sensor designed for a wide range of applications, offering high accuracy and flexibility. It converts temperatures between -40C and +125C to a digital word with typical accuracy of 0.25C. The sensor features user-programmable registers for settings like shutdown/low-power modes, temperature alert window limits, and critical output limits. An alert signal is generated when temperature boundaries are exceeded, with configurable polarity for thermostat or interrupt operation. Its industry-standard 100 kHz, 2-wire, SMBus/I2C compatible serial interface allows 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: 2-wire, I2C/SMBus Compatible
Available Packages: 2x3 DFN-8, MSOP-8
Typical Applications: General Purpose, Industrial Applications, Industrial Freezers and Refrigerators, Food Processing, Personal Computers and Servers, PC Peripherals, Consumer Electronics, Handheld/Portable Devices

Technical Specifications

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Temperature Sensor Accuracy
Accuracy (-40C < TA +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)
0.25C/bit	tCONV		65		ms	15s/sec (typical)
0.125C/bit	tCONV		130		ms	7s/sec (typical)
0.0625C/bit	tCONV		250		ms	4s/sec (typical)
Power Supply
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 for falling VDD	VPOR		2.2		V
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)
Low-Level Voltage	VOL			0.4	V	IOL= 3 mA (Active-Low, Pull-up Resistor)
Thermal Response
Time to 63% (+89C) from +25C (air) to +125C (oil bath) (8L-DFN)	tRES		0.7		s
Time to 63% (+89C) from +25C (air) to +125C (oil bath) (8L-MSOP)	tRES		1.4		s
Digital Input/Output Pin Characteristics
Input High-Level Voltage	VIH	0.7 VDD			V
Input Low-Level Voltage	VIL			0.3 VDD	V
Input Current	IIN			5	A
Output Low-Level Voltage	VOL			0.4	V	IOL= 3 mA
High-Level Current (leakage)	IOH			1	A	VOH = 5.5V
Low-Level Current	IOL	6			mA	VOL = 0.6V
Input Hysteresis	VHYST		0.05 VDD		V	SDA and SCL Inputs
Spike Suppression	tSP			50	ns
Capacitance	CIN		5		pF
Temperature Characteristics
Specified Temperature Range	TA	-40		+125	C	(Note 1)
Operating Temperature Range	TA	-40		+125	C
Storage Temperature Range	TA	-65		+150	C
Thermal Package Resistances
Thermal Resistance (8L-DFN)	JA		41		C/W
Thermal Resistance (8L-MSOP)	JA		206		C/W
Sensor Serial Interface Timing Specifications
Serial port frequency (Standard Mode)	fSCL	0	100	0	kHz	(Note 2, Note 4)
Serial port frequency (Fast Mode)	fSCL	0	400	0	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	300	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	900	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 Time	tB-FREE	4700		1300	ns
Time-out	tOUT	25	50	25	50	ms
Bus Capacitive load	Cb			400	pf

2411272132_MICROCHIP-MCP9804-E-MS_C148018.pdf

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