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MCUs improve temp. measurement with RC-ADCs

Posted: 20 Oct 2011     Print Version  Bookmark and Share

Keywords:MCU  microcontroller  RC-ADC 

LAPIS Semiconductor rolls additions to the ML610Q4xx series low-power microcontrollers that feature an RC-type analogue-to-digital converter (RC-ADC) to provide comprehensive control over the operation of battery-powered devices used for the measurement and display of temperature, humidity and carbon monoxide (CO) in industrial and commercial environments.

 ML610Q4xx series low-power microcontrollers

The RC-ADC provides accurate (±1°C) temperature measurement using only passive components.

RC-type ADCs simplify the external circuit and the software necessary to perform measurements and require less power than systems employing a separate ADC to convert the sensor input. The ML610Q4xx series offers versions with either FLASH memory or masked ROM to store the program that controls the display, user interface, communication ports and the taking of measurements. The latest members of the family feature in-circuit programmable FLASH which benefits designers by allowing on-chip, non-volatile data storage and the ability to make program changes in the field.

"Environmental sensing and monitoring products typically require a microcontroller to take measurements, manage collected data, display information, manage user inputs and provide communication of recorded data," said Alec Melnick, ROHM's senior product marketing manager. "This new series of devices with RC-ADCs are providing product designers exceptional measurement and control capabilities with extended battery life and fewer components."

Development kits, evaluation boards, debug hardware and PC-based software development tools are available to facilitate the design of ML610Q4xx series-based products.





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