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Serial Temperature Sensor MICROCHIP TC74A5-3.3VCTTR with SMBus Compatible Interface and Standby Mode

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Serial Temperature Sensor MICROCHIP TC74A5-3.3VCTTR with SMBus Compatible Interface and Standby Mode

Temperature Range : -40℃~+125℃

standby current : 10uA

Interface : SMBus;I2C

Temperature Resolution : 8bit

Voltage - Supply : 2.7V~5.5V

Description : -40℃~+125℃ 2.7V~5.5V SOT-23-5 Analog and Digital Output RoHS

Mfr. Part # : TC74A5-3.3VCTTR

Model Number : TC74A5-3.3VCTTR

Package : SOT-23-5

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Product Overview

The TC74 is a serially accessible, digital temperature sensor designed for low-cost, 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 interface allows for multi-drop/multi-zone monitoring. The device features a low-power Standby mode, activated by the SHDN bit in the CONFIG register, reducing current consumption to 5 A (typ.). 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: Not specified
Material: Not specified
Color: Not specified
Certifications: Not specified

Technical Specifications

Parameter	Symbol	Min	Typ	Max	Units	Conditions
Absolute Maximum Ratings
Supply Voltage	VDD			+6V
Voltage On Any Pin		(GND 0.3V)		(VDD + 0.3V)
Current On Any Pin				50 mA
Operating Temperature	TA	-40C		+125C
Storage Temperature	TSTG	-65C		+150C
Junction Temperature	TJ			+150C
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
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		+2.0	C	+25C <TA < +85C
Temperature Accuracy	TERR	-3.0		+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 Characteristics (SMBus/I2C Serial Port)
SMBus/I2C Clock Frequency	fSMB			100	kHz	(CLOAD = 80 pF)
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	90% SCLK to 10% SDA
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)

2410121851_MICROCHIP-TC74A5-3-3VCTTR_C626608.pdf

Cheap Serial Temperature Sensor MICROCHIP TC74A5-3.3VCTTR with SMBus Compatible Interface and Standby Mode for sale

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