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High accuracy digital temperature sensor MICROCHIP MCP9808T-E/MS suitable for handheld devices and PC peripherals

Categories	Analog and Digital Output
Temperature Range:	-40℃~+125℃
Interface:	I2C;SMBus
Temperature Conversion Time:	250ms
Temperature Resolution:	13bit
Voltage - Supply:	2.7V~5.5V
Description:	-40℃~+125℃ 2.7V~5.5V MSOP-8 Analog and Digital Output RoHS
Mfr. Part #:	MCP9808T-E/MS
Model Number:	MCP9808T-E/MS
Package:	MSOP-8

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High accuracy digital temperature sensor MICROCHIP MCP9808T-E/MS suitable for handheld devices and PC peripherals

MCP9808 Digital Temperature Sensor

The MCP9808 is a digital temperature sensor from Microchip Technology Inc. that converts temperature to a digital word with high accuracy, suitable for general, industrial, food processing, personal computer, PC peripheral, consumer electronics, and handheld/portable device applications. It offers user-programmable features such as temperature limits, measurement resolution, and alarm outputs, providing flexibility for various temperature monitoring needs. The sensor utilizes a 2-wire interface compatible with I2C/SMBus, allowing for control of multiple sensors on a single bus, making it ideal for precision multi-zone temperature monitoring.

Product Attributes

Brand: Microchip Technology Inc.
Origin: Not specified
Material: Not specified
Color: Not specified
Certifications: Not specified

Technical Specifications

Parameter	Symbol	Min	Typical	Max	Unit	Condition
Temperature Sensor Accuracy
Temperature Accuracy	TACY	-0.5	±0.25	+0.5	°C	-20°C < TA ≤ +100°C, VDD = 3.3V
Temperature Accuracy	TACY	-1.0	±0.25	+1.0	°C	-40°C < TA ≤ +125°C, VDD = 3.3V
Temperature Conversion Time
0.5°C/bit	tCONV	-	30	-	ms	33s/sec (Typical)
0.25°C/bit	tCONV	-	65	-	ms	15s/sec (Typical)
0.125°C/bit	tCONV	-	130	-	ms	7s/sec (Typical)
0.0625°C/bit	tCONV	-	250	-	ms	4s/sec (Typical)
Power Supply
Operating Voltage Range	VDD	2.7	-	5.5	V
Operating Current	IDD	-	200	400	µA
Shutdown Current	ISHDN	-	0.1	2	µA
Power-on Reset (POR)	VPOR	-	2.2	-	V	Falling VDD Threshold
Power Supply Rejection	Δ°C/ΔVDD	-0.1	-	-	°C/V	VDD = 2.7V to 5.5V, TA = +25°C
Alarm Output (Open-Drain)
High-Level Current (Leakage)	IOH	-	-	1	µA	VOH = VDD (Active Low, Pull-up Resistor)
Low-Level Voltage	VOL	-	-	0.4	V	IOL= 3 mA (Active Low, Pull-up Resistor)
Thermal Response
8-Pin DFN	tRES	-	0.7	-	s	Time to 63% (+89°C) from +25°C (Air) to +125°C (Oil Bath)
8-Pin MSOP	tRES	-	1.4	-	s	Time to 63% (+89°C) from +25°C (Air) to +125°C (Oil Bath)
Digital I/O Pin Characteristics
Serial Input/Output (SCL, SDA, A0, A1, A2) Input High Voltage	VIH	0.7 VDD	-	VDD	V
Serial Input/Output (SCL, SDA, A0, A1, A2) Input Low Voltage	VIL	GND	-	0.3 VDD	V
Serial Input/Output (SCL, SDA, A0, A1, A2) Input Current	IIN	-	-	±5	µA
Output (SDA) Low-Level Voltage	VOL	-	-	0.4	V	IOL= 3 mA
Output (SDA) High-Level Current (Leakage)	IOH	-	-	1	µA	VOH = 5.5V
Output (SDA) Low-Level Current	IOL	6	-	-	mA	VOL = 0.6V
SDA and SCL Input Hysteresis	VHYST	-	0.05 VDD	-	V
Spike Pulse 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
Package Thermal Resistance
8-Pin DFN	θJA	-	68	-	°C/W
8-Pin MSOP	θJA	-	211	-	°C/W
Sensor Serial Interface Timing Specifications (2-Wire SMBus/Standard Mode I2C Compatible)
Serial Port Clock Frequency	fSC	0	-	400	kHz	(Note 2 & 4)
Clock Low Time	tLOW	1300	-	-	ns	(Note 2)
Clock High Time	tHIGH	600	-	-	ns	(Note 2)
Rise Time	tR	20	-	300	ns
Fall Time	tF	20	-	300	ns
Data Input Setup Time	tSU-DI	100	-	-	ns	(Note 3)
Data Input Hold Time	tHD-DI	0	-	-	ns	(Note 5)
Data Output Hold Time	tHD-DO	200	-	900	ns	(Note 4)
Start Condition Setup Time	tSU-START	600	-	-	ns
Start Condition Hold Time	tHD-START	600	-	-	ns
Stop Condition Setup Time	tSU-STOP	600	-	-	ns
Bus Free Time	tB-FREE	1300	-	-	ns
Timeout	tOUT	25	-	35	ms
Bus Capacitive Load	Cb	-	-	400	pf

1810010808_MICROCHIP-MCP9808T-E-MS_C129490.pdf

High accuracy digital temperature sensor MICROCHIP MCP9808T-E/MS suitable for handheld devices and PC peripherals

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