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User Configurable Temperature Sensor Microchip TCN75AVUA with Industry Standard 2 Wire I2C Interface

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User Configurable Temperature Sensor Microchip TCN75AVUA with Industry Standard 2 Wire I2C Interface

Temperature Range : -40℃~+125℃

Interface : I2C

Temperature Conversion Time : 240ms

Temperature Resolution : 12bit

Voltage - Supply : 2.7V~5.5V

Description : -40℃~+125℃ I2C 2.7V~5.5V MSOP-8 Analog and Digital Output RoHS

Mfr. Part # : TCN75AVUA

Model Number : TCN75AVUA

Package : MSOP-8

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Microchip TCN75A Digital Temperature Sensor

The Microchip TCN75A is a digital temperature sensor designed to convert ambient temperatures into a digital word with high accuracy. It features user-programmable registers for flexible temperature-sensing applications, allowing for user-selectable resolution, power-saving modes (Shutdown and One-shot), and configurable temperature alert and hysteresis limits. The device outputs an alert signal when the temperature exceeds specified limits, with options for active-low or active-high comparator output for thermostat operation, or interrupt output for microprocessor-based systems. Its industry-standard 2-wire, I2C compatible serial interface enables control of up to eight devices on a single bus, making it ideal for low-cost, sophisticated multi-zone temperature monitoring.

Product Attributes

Brand: Microchip Technology Inc.
Product Name: TCN75A
Interface: 2-wire, I2C Compatible
Available Packages: MSOP-8, SOIC-8

Technical Specifications

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Temperature Sensor Accuracy	TACY	-2	±1	+2	°C	-40°C to +125°C, VDD = 3.3V
Operating Voltage Range	VDD	2.7	—	5.5	V	—
Operating Current	IDD	—	200	500	µA	Continuous operation
Shutdown Current	ISHDN	—	0.1	2	µA	Shutdown mode
User-selectable Resolution	—	0.5	—	0.0625	°C	—
Serial Port Frequency	fSC	0	—	400	kHz	I2C Compatible
Conversion Time (0.5°C Resolution)	tCONV	—	30	—	ms	33 samples/sec (typical)
Conversion Time (0.0625°C Resolution)	tCONV	—	240	—	ms	4 samples/sec (typical)
Thermal Resistance (8L-SOIC)	θJA	—	163	—	°C/W	—
Thermal Resistance (8L-MSOP)	θJA	—	206	—	°C/W	—
Specified Temperature Range	TA	-40	—	+125	°C	Note 1

2410121940_MICROCHIP-TCN75AVUA_C144336.pdf

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