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Digital Temperature Sensor MICROCHIP TCN75AVOA with Configurable Polarity Alert and Operation Modes

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Digital Temperature Sensor MICROCHIP TCN75AVOA with Configurable Polarity Alert and Operation Modes

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 SOIC-8 Analog and Digital Output RoHS

Mfr. Part # : TCN75AVOA

Model Number : TCN75AVOA

Package : SOIC-8

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Product Overview

The Microchip Technology Inc. TCN75A is a digital temperature sensor that converts ambient temperatures ranging from -40C to +125C into a digital word with a typical accuracy of 1C. It features user-programmable registers for flexible temperature sensing applications, allowing for user-selectable temperature measurement resolutions from 0.5C down to 0.0625C. The device supports power-saving Shutdown and One-shot modes, and can generate an alert signal with configurable polarity for thermostat or interrupt operations. 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 applications.

Product Attributes

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

Technical Specifications

ParameterSymbolMinTypMaxUnitConditions
Temperature Sensor AccuracyTACY-2±1+2°CTA = -40°C to +125°C, VDD = 3.3V
Operating Voltage RangeVDD2.75.5V
Operating CurrentIDD200500µAContinuous operation
Shutdown CurrentISHDN0.12µAShutdown mode
Power-on Reset (POR) ThresholdVPOR1.7VVDD falling edge
Line RegulationΔ°C/ΔVDD0.2°C/VVDD = 2.7V to 5.5V
Internal ΣΔ ADC Conversion Time (0.5°C Resolution)tCONV30ms33 samples/sec (typical)
Internal ΣΔ ADC Conversion Time (0.25°C Resolution)tCONV60ms17 samples/sec (typical)
Internal ΣΔ ADC Conversion Time (0.125°C Resolution)tCONV120ms8 samples/sec (typical)
Internal ΣΔ ADC Conversion Time (0.0625°C Resolution)tCONV240ms4 samples/sec (typical)
Alert Output High-level CurrentIOH1µAVOH = 5V
Alert Output Low-level VoltageVOL0.4VIOL = 3 mA
Thermal Response Time (63%)tRES1.4s27°C (air) to 125°C (oil bath)
Specified Temperature RangeTA-40+125°CNote 1
Operating Temperature RangeTA-40+125°C
Storage Temperature RangeTA-65+150°C
Thermal Resistance (8L-SOIC)θJA163°C/W
Thermal Resistance (8L-MSOP)θJA206°C/W
Serial Port FrequencyfSC0400kHzI2C Compatible
Clock PeriodtSC2.5µs
Low Clock TimetLOW1.3µs
High Clock TimetHIGH0.6µs
Rise TimetR20300ns10% to 90% of VDD (SCL, SDA)
Fall TimetF20300ns90% to 10% of VDD (SCL, SDA)
Data Setup Before SCL HightSU-DATA0.1µs
Data Hold After SCL LowtH-DATA0µs
Start Condition Setup TimetSU-START0.6µs
Start Condition Hold TimetH-START0.6µs
Stop Condition Setup TimetSU-STOP0.6µs
Bus Idle TimetB-FREE1.3µs
Input High-level VoltageVIH0.7 VDDV
Input Low-level VoltageVIL0.3 VDDV
Input CurrentIIN-1+1µA
Output Low-level VoltageVOL0.4VIOL = 3 mA
Output High-level CurrentIOH1µAVOH = 5V
Low-level CurrentIOL6mAVOL = 0.6V
CapacitanceCIN10pFSDA and SCL Inputs
Hysteresis VoltageVHYST0.05 VDDV

2410010204_MICROCHIP-TCN75AVOA_C636980.pdf


Quality Digital Temperature Sensor MICROCHIP TCN75AVOA with Configurable Polarity Alert and Operation Modes for sale

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