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Compact temperature sensor MICROCHIP TC74A0-5.0VAT with 8 bit digital output and consumption features

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Compact temperature sensor MICROCHIP TC74A0-5.0VAT with 8 bit digital output and consumption features

Temperature Range : -40℃~+125℃

Interface : I2C;SMBus

Voltage - Supply : 2.7V~5.5V

Description : -40℃~+125℃ 2.7V~5.5V TO-220-5 Analog and Digital Output RoHS

Mfr. Part # : TC74A0-5.0VAT

Model Number : TC74A0-5.0VAT

Package : TO-220-5

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Product Overview

The TC74 is a serially accessible, digital temperature sensor designed for low-cost and small-form-factor applications. It converts temperature from an onboard sensing element into an 8-bit digital word, accessible via a 2-wire SMBus/I2C compatible serial port. This allows for multi-drop/multi-zone monitoring and features a low-power Standby mode. With a temperature resolution of 1C and a nominal conversion rate of 8 samples/sec, the TC74 is ideal for thermal management in various systems.

Product Attributes

Brand: Microchip Technology Inc.
Origin: USA (implied by Microchip Technology Inc. copyright)

Technical Specifications

Parameter	Symbol	Min	Typ	Max	Units	Conditions
Absolute Maximum Ratings
Supply Voltage	VDD			+6	V
Voltage On Any Pin		(GND 0.3V)		(VDD + 0.3V)	V
Current On Any Pin				50	mA
Operating Temperature	TA	-40		+125	C
Storage Temperature	TSTG	-65		+150	C
Junction Temperature	TJ			+150	C
DC Characteristics
Power-on Reset Threshold	VPOR	1.2		2.2	V	VDD Falling Edge or Rising Edge
Supply Voltage	VDD	2.7		5.5	V	Note 5
Operating Current	IDD		200	350	A	VDD = 5.5V, Note 1
Standby Supply Current	IDD-STANDBY		5.0	10	A	VDD = 3.3V, Serial Port Inactive, Note 4
Temperature Accuracy	TERR		2.0		C	+25C <TA < +85C
Temperature Accuracy	TERR		3.0		C	0C < TA < +125C
Conversion Rate	CR	4	8		SPS	Note 2
Logic Input High	VIH	0.8 x VDD			V
Logic Input Low	VIL			0.2 x VDD	V
SDA Output Low	VOL			0.4	V	IOL = 3 mA
SDA Output Low	VOL			0.6	V	IOL = 6 mA, Note 3
Input Capacitance	CIN		5.0		pF	SDA, SCLK
I/O Leakage	ILEAK	-1.0	0.1	1.0	A
AC Timing
SMBus/I2C Clock Frequency	fSMB	10		100	kHz
Low Clock Period	tLOW	4.7			sec
High Clock Period	tHIGH	4.0			sec
SMBus/I2C Rise Time	tR			1000	nsec	10% to 90%
SMBus/I2C Fall Time	tF			300	nsec	90% to 10%
START Condition Setup Time	tSU(START)	4.0			sec
START Condition Hold Time	tH(START)	4.0			sec
Data In Setup Time	tSU-DATA	1000			nsec
Data In Hold Time	tH-DAT	1250			nsec
STOP Condition Setup Time	tSU(STOP)	4.0			sec
Bus Free Time Prior to New Transition	tIDLE	4.7			sec
Power-on Reset Delay	tPOR		500		sec	VDD VPOR (Rising Edge)

2410121852_MICROCHIP-TC74A0-5-0VAT_C641443.pdf

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