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Product category: Microprocessors, Microcontrollers and DSPs
News Release from: Analog Devices | Subject: ADuC706x family
Edited by the Electronicstalk Editorial Team on 18 June 2008

Microcontrollers integrate 24bit
convertors

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With on-chip 24bit sigma-delta ADCs, the ADuC706x provides the resolution required by today's high-performance industrial and instrumentation equipment.

Analog Devices has released 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 analogue microcontroller portfolio by incorporating two 24bit sigma-delta analogue-to-digital convertors (ADCs) and a host of analogue peripherals with a 32bit 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 competing solutions, eliminating the complexity, cost and performance degradation issues associated with discrete mixed-signal designs.

According to Mike Britchfield, Product Line Director, Precision Signal Processing, Analog Devices: "Precision sensing requires a low noise, high resolution signal conversion architecture".

"With its on-chip 24bit 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".

Designed for 4-20mA 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 60nV - which is 20% better than the nearest competing part - and offer five times more processing power for a given clock rate.

In addition to the 24bit sigma-delta ADCs and ARM7 core with eight interrupt priority levels, the new precision analogue microcontrollers incorporate 32Kbyte of Flash memory and 4Kbyte of SRAM, a programmable gain amplifier, multiplexers, buffers, an auxiliary 24bit ADC for cold junction compensation and interfacing to thermocouple applications, and SPI (serial peripheral interface), UART (universal asynchronous receivers-transmitters) and IC ports.

The devices consume just 2.6mA with all peripherals activated.

The ADuC7060, available in a 7 x 7mm 48-pin chip-scale (QFN) package, offers more analogue-input channels and general-purpose I/Os than other devices in the family.

The ADuC7061 and ADuC7062 come in 5 x 5mm 32-pin chip-scale (QFN) packages, ideal for space-constrained applications.

The ADuC7062 does not include the auxiliary ADC channel.

The ADuC706x family is available in sample quantities and will be in full factory production in November 2008.

The ADuC7060, ADuC7061 and ADuC7062 precision analogue microcontrollers are priced at US $4.90, $3.95 and $3.40 respectively, in 1000-unit quantities.

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