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Snowbush rolls out new ADC IP core

Posted: 27 Jan 2006 ?? ?Print Version ?Bookmark and Share

Keywords:IP core? ADC? analog-to-digital converter? CMOS? complementary metal-oxide semiconductor?

Snowbush Microelectronics announced the availability of a 10bit, 140MSps ADC IP core in a foundry standard 0.18m CMOS. The ADC features an effective number of bits (ENOB) of 8.6bits at 140MSps and an ENOB of 9bits at 120MSps.

"This ADC is the first of a family of ADC IP cores that we plan to extend to 12bits and 14bits, and since it uses only a single 1.8V supply, it can be easily ported to 90nm," said Snowbush president Ken Martin.

The 10bit pipeline ADC core includes eight 1.5bit pipeline stages and a backend 2bit flash ADC. To reduce the power consumption, the pipeline stages are scaled down proportional to their required accuracy. Power consumption is 140mW when operating at 140MHz and is reduced at lower frequencies. The ADC has a silicon area of less than 1.3 mm2.

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