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ADCs offer high performance, power efficiency

ADCs offer high performance, power efficiency

Normal0014612628215322711.1282000Analog Devices Inc. has expanded its low-power data converter portfolio with 26 ADCs (analog-to-digital converters) for effective high-performance, power-efficient communications, portable device, instrumentation, and healthcare applications. The offering reportedly includes three data converter technology industry firsts for 16-bit ADCs: AD9269 is a 16-bit 80MSPS low-power, dual ADC with quadrature-error correction (QEC); AD9265 is a single-channel, 16-bit low-power ADC spanning 80 to 125 MSPS (megasamples per second); and the AD9266 is a small, single-channel 16-bit low-power ADC spanning 20 to 80 MSPS.

These new ADC products offer designers a flexible platform to differentiate their systems without changing the core design by migrating either resolution or bandwidth support by means of space-efficient, pin-compatible families. In addition, the new ADCs’ energy efficiencies provide significant power consumption improvement without impacting system-level performance. In addition to these converters and their various speed grades, the company also introduces 23 single-channel low-power ADCs. The power consumption savings across these ADCs is reportedly as high as 87% compared to equivalent competitive offerings operating comparable ADC functions.

The dual-channel AD9269 16-bit low-power ADC consumes 93 mW per channel, which is 6.5 times lower than competing devices, according to company sources. The product is a monolithic, dual-channel 16-bit, 20/40/65/80 MSPS ADC, featuring a high performance sample-and-hold circuit and on-chip voltage reference. The ADC operates from a 1.8-V supply and contains several features designed to maximize flexibility and minimize system cost, such as programmable clock and data alignment and programmable digital-test-pattern generation. Samples are available now with production quantities available in January 2010.

The single-channel AD9265 low-power, 16-bit ADC was designed to support communications applications requiring low bill-of-material costs, small size, and flexibility. Consuming only 370 mW, it represents a 51% savings compared to competitive low-power solutions. The ADC core features a multistage, differential pipelined architecture with integrated output error correction logic.

The single-channel AD9266 16-bit, low-power ADC is available in a small 5 x 5 mm package, and the pin-out supports resolutions from 10 to 16 bits. The low-power, multistage ADC core is based on a high-performance, sample-and-hold circuit and on-chip voltage reference. The product uses a differential-pipeline architecture with output-error-correction logic to provide 16-bit accuracy at 80 MSPS data rates and guarantees no missing codes over the full operating temperature range. Samples are available now with production quantities available in January 2010.

For more information visit Analog Devices Inc., 3 Technology Way, Norwood, MA 02062. Phone: (800) 262-5643

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