Details, datasheet, quote on part number: TC625
CategoryASSP (Application-Specific Standard Products) => 1-Wire
Description1-wire Digital Thermometer
CompanyTelCom Semiconductor
DatasheetDownload TC625 datasheet


Features, Applications


Single Wire Interface to Host Microcontroller High Precision................. 1C Accuracy (Typical) Wide Measurement Range.......... +100C No External Components Required Complimentary (TC625C) or Open Drain Outputs (TC625N) Low Voltage Operation........................ to 5.5V Small Packages......................... TO-92, SOT-23A-5

The 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 1.5C typical over the rated measurement range to +100C. 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.


Isolated Temperature Sensing Environmental Control Systems Process / Industrial Control Systems Power System Temperature Monitoring Process Control Systems

TC62501 5/13/97 TelCom Semiconductor reserves the right to make changes in the circuitry and TC625-01 1 specifications of its devices.

TelCom Semiconductor 1300 Terra Bella Avenue P.O. Box 7267 Mountain View, CA 94039-7267 TEL: 415-968-9241 FAX: 415-967-1590 E-Mail:

TelCom Semiconductor Austin Product Center 9101 Burnet Rd. Suite 214 Austin, TX 78758 TEL: 512-873-7100 FAX: 512-873-8236 2

TelCom Semiconductor H.K. Ltd. 10 Sam Chuk Street, Ground Floor San Po Kong, Kowloon Hong Kong TEL: 852-2324-0122 FAX: 852-2354-9957


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