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ADC delivers 2GS/s clock frequency

Posted: 04 Aug 2005 ?? ?Print Version ?Bookmark and Share

Keywords:atmel? adc? dmux? demultiplexer? fpga?

Atmel Corp. unveiled the second in a series of high-speed integrated ADC and DMUX devices, with a new 10bit ADC offering a clock frequency of 2GS/s, and an embedded 1:4 LVDS demultiplexer for direct interface with standard FPGAs.

The new AT84AS004TP is fully-compatible with the company's at84as003tp 10bit 1.5GS/s ADC and DMUX released earlier this year, providing identical form-factor, pin-out and functions. According to the press release, this allows easy upgrade from existing designs operating at slower data rates or the possibility of creating a family of products from the same board design, for high-speed digitization applications such as broadband test & measurement equipment, high speed data acquisition, telecommunications and defense.

The AT84AS004TP provides dynamic performance of ENOB: 7.8 bits, SFDR: -55 dBFs and SNR: 51dB at 2GS/s in 1st Nyquist conditions. Gain flatness remains flat (0.2dB) from DC to 1.5GHz, allowing use over the second Nyquist zone.

"Combining accurate analog to digital data conversion at 2GS/s with an integrated 1:4 DMUX is now possible," said Andrew Benn, Marketing Manager for Atmel's Broadband Data Conversion product line. "System designers cannot afford complex and time-consuming routing and timing scenarios for the interface between the ADC and the FPGA or DSP. The AT84AS004TP combines dynamic performance, compactness and ease of use allowing improved system development speed."

The AT84AS004TP is delivered in an EBGA317 package and operates over both commercial and industrial temperature ranges. Samples are already available, with production quantities scheduled next month (September 2005) at a unit price of $595 for a 1,000-piece quantities.



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