Transcription of Thermoelectric Cooler (TEC) Controller Data Sheet ADN8831
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Thermoelectric Cooler (TEC) Controller Data Sheet ADN8831
Thermoelectric Cooler (TEC) Controller Data Sheet ADN8831 Rev. C Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, Box 9106, Norwood, MA 02062-9106, Tel: 2005 2019 Analog Devices, Inc. All rights reserved. Technical Support FEATURES Two integrated zero drift, rail-to-rail, chop amplifiers TEC voltage and current operation monitoring Programmable TEC maximum voltage and current Programmable TEC current heating and cooling limits Configurable PWM switching frequency up to 1 MHz Power efficiency: > 90% Temperature lock indication Optional internal or external clock source Clock phase adjustment for multiple drop operation Supports negative temperatur
GENERAL DESCRIPTION The . ADN8831 1 is a monolithic TEC controller. It has two inte-grated, zero drift, rail-to-rail comparators, and a PWM driver. A unique PWM driver works with an analog driver to control external selected MOSFETs in an H-bridge. By sensing the thermal detector feedback from the TEC, the ADN8831 can
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