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14bit ADC has full power bandwidth of 1.1GHz

Posted: 25 May 2006 ?? ?Print Version ?Bookmark and Share

Keywords:ADC14155? ADC? analog-to-digital converter? National Semiconductor? Vince Biancomano?

National Semiconductor's 14bit ADC14155, a 155MSps ADC, offers a full power bandwidth of 1.1GHz, the highest in the industry according to the company. Thus the chip, the first in a family of high-speed 14bit ADCs that also offers parallel low-voltage differential signaling (LVDS) and serial LVDS output options, is suited for high-dynamic-range requirements applications in 3G wireless base stations and test equipment.

"The ADC14155's 1.1GHz full-power bandwidth is 72 percent higher than the closest competitor in the 14bit space and that advantage enables system designers to develop breakthrough architectures for wireless communication applications," said Antonio Visconti, product line director of the Data Conversion Division.

Practical applications include high intermediate-frequency architectures for wireless communications. The ADC14155, working from a 3.3V input, offers a dynamic performance of 85dB spurious free dynamic range (SFDR) and a 72dB signal-to-noise ratio (SNR) at an input frequency of 70MHz. The low-jitter front end delivers 72dB SFDR and 68dB SNR at a frequency as high as 420MHz, specs also representing industry bests, according to the company.

The ADC14155, in a 48-pin LLP package, is priced at $61.75 each in 1,000 quantities and is slated for availability in production quantities in June.

- Vince Biancomano

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Related Datasheets
Part Number Description Category
? ADC14155 14-Bit, 155 MSPS, 1.1 GHz Bandwidth A/D Converter from the PowerWise? Family Cards and Modules



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