Analog Devices Unveils New Microcontroller ADuCM360

Massachusetts-based data conversion specialist, Analog Devices unveiled its latest offering in the microcontroller range, the ADuCM360 that can be used in industrial precision sensors with 4- to 20-mA loop current.

The ADuCM360 is a 24-bit, 4 kSPS data acquisition chip that includes two 24-bit sigma-delta modulated analog to digital (A/D) converters, a low powered 32-bit ARM Cortex core processor and a non-volatile 128kB flash memory. The current consumption of the device in operation is 1-mA.

In addition to the flash memory, there is also an 8 kB SRAM integrated on the device. The core processor includes a direct memory access (DMA) controller with 11 channels to facilitate wired data transmission peripherals. The A/D converters are connected to an 11-channel multiplexer and each equipped with a gain amplifier. The dual converters can operate in single-ended mode or in fully differential mode. This makes the device suitable for applications employing dual sensors and those with single sensor where one A/D convertor is required for temperature compensation. The ADuCM360 can be used over a broad industrial temperature range of –40°C to +125°C. In order to facilitate quicker and economical software development, QuickStart Development Kit that comprises sample code, compilers, emulators and function libraries is available. The firmware incorporated in this kit facilitates serial download on to the chip through UART and 2-pin JTAG serial wired interface.

The ADuCM360 is offered in a 48-lead, 7x7 mm LFCSP package with an input supply varying from 1.8-V to 3.3-V. The ADuCM361, which is a single A/D converter variant of the ADuCM360, will be available from August 2012 . ADI’s AD5700 HART modem IC and the AD542116-bit D/A converter are offered as complementary components to the package.

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