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24-BIT Sigma-delta ADCs with ARM7™ CORE

Analog DevicesAnalog Devices pairs 24-BIT Sigma-delta ADCs with ARM7™ CORE for unequalled data acquisition and processing performance.
ADuC706x precision analog

microcontrollers deliver highest level of data conversion integration and performance.

Weybridge, England, June 17, 2008   Analog Devices, Inc. (NYSE: ADI), a global leader in high-performance semiconductors for signal-processing applications, today introduced a highly integrated microcontroller family with best-in-class data conversion performance for hardware, firmware and industrial systems engineers designing smart sensing, factory automation and instrumentation equipment. The ADuC706x family expands ADI’s precision analog microcontroller portfolio by incorporating two 24-bit sigma-delta analog-to-digital converters (ADCs) and a host of analog peripherals with a 32-bit ARM7™ core to create a solution for precision sensing applications. The unparalleled combination of small size, low operating power and Analog Devices’ industry-leading data conversion design expertise distinguish the ADuC706x from other competitive solutions, eliminating the complexity, cost and performance degradation issues associated with discrete mixed-signal solutions.
“Precision sensing requires a low noise, high resolution signal conversion architecture,” said Mike Britchfield, product line director, Precision Signal Processing, Analog Devices. “With its on-chip 24-bit sigma-delta ADCs, the ADuC706x provides the resolution required by today’s high-performance industrial and instrumentation equipment, while keeping the noise low. This performance, complemented by the simplicity of a single-chip solution, handles all data acquisition, processing and communications functions at the signal source.”

24-BIT Sigma-delta ADCs with ARM7™ COREAbout the ADuC706x Family
Designed for 4–20 mA loop-powered applications in factory automation and for precision instruments, the ADuC706x family includes the ADuC7060, ADuC7061 and ADuC7062.
The devices feature an industry-best ADC noise performance of just 60 nV—20%  better than the nearest competing part—and offer five times more processing power for a given clock rate.  In addition to the 24-bit sigma-delta ADCs and ARM7 core with eight interrupt priority levels, the new precision analog microcontrollers incorporate 32 Kbytes of flash memory and 4 Kbytes of SRAM, a programmable gain amplifier, multiplexers, buffers, an auxiliary 24-bit ADC for cold junction compensation and interfacing to thermocouple applications, and SPI (serial peripheral interface), UART (universal asynchronous receivers-transmitters) and I²C ports. The devices consume just 2.6 mA with all peripherals activated.

The ADuC7060, available in a 7 mm × 7 mm 48-pin chip-scale (QFN) package, offers more analog-input channels and general-purpose I/Os than other devices in the family.   The ADuC7061 and ADuC7062 come in 5 mm × 5 mm 32-pin chip-scale (QFN) packages, ideal for space-constrained applications.  The ADuC7062 does not include the auxiliary ADC channel.

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