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TC625CVNT Folha de dados(PDF) 1 Page - TelCom Semiconductor, Inc |
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TC625CVNT Folha de dados(HTML) 1 Page - TelCom Semiconductor, Inc |
1 / 2 page TC625 1 PRELIMINARY INFORMATION TC625-01 5/13/97 1- WIRE DIGITAL THERMOMETER GENERAL DESCRIPTION The TC625 is a monolithic temperature sensor that generates a pulse train, the high and low times of which vary in direct proportion to the temperature of the device. This technique allows temperature to be accurately measured by the host microcontroller without an A/D converter, and with only a single I/O port pin. The overall accuracy is ±1.5°C typical over the rated measurement range of – 25 °C to +100 °C. Unlike voltage output temperature sensors, the digital output of the TC625 offers superior immunity to system noise and does not require an A/D converter. Unlike two wire serial temperature sensors, the TC625 communicates over a single wire, and without serial protocol overhead. The TC625 operates from supply voltages as low as 2.7V. Open drain (TC625N) and complimentary (TC625C) output configurations are available. The TC625 is available in TO-92 and SOT-23A-5 packages. 1-WIRE DIGITAL THERMOMETER TC625 PIN CONFIGURATIONS FEATURES s Single Wire Interface to Host Microcontroller s High Precision ................. ±1°C Accuracy (Typical) s Wide Measurement Range .......... – 25 °C to +100°C s No External Components Required s Complimentary (TC625C) or Open Drain Outputs (TC625N) s Low Voltage Operation ........................ 2.7V to 5.5V s Small Packages ......................... TO-92, SOT-23A-5 APPLICATIONS s Isolated Temperature Sensing s Environmental Control Systems s Process / Industrial Control Systems s Power System Temperature Monitoring s Process Control Systems ORDERING INFORMATION Part No. Package Output Config. TC625CVNT SOT-23A-5* Complimentary TC625CVZB TO-92-3 Complimentary TC625NVNT SOT-23A-5* Open Drain TC625NVZB TO-92-3 Open Drain TC625EV Evaluation Kit for the TC625 and TC12 NOTE: *SOT-23A-5 is equivalent to EIAJ (SC-74A). TC625- 01 5/13/97 TelCom Semiconductor reserves the right to make changes in the circuitry and specifications of its devices. FUNCTIONAL BLOCK DIAGRAM VDD DOUT GND NOTE: *SOT-23A-3 is equivalent to EIAJ (SC-74A) TC625CVNT TC625NVNT TC625CVZB TC625NVZB TO-92-3 SOT-23A-5* (Top View) 1 1 2 3 2 3 4 5 TEMPERATURE TO VOLTAGE CONVERTER DELTA SIGMA MODULATOR VDD DOUT TC625 TYPICAL APPLICATION I/O MICRO CONTROLLER MEASUREMENT ZONE 2.7V to 5.5V TC625 EVALUATION KIT AVAILABLE |
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Descrição semelhante - TC625CVNT |
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