Quad 125-MSPS ADCs boost performance

Measuring 9 x 9 mm, the quad 12-bit ADS6425 and the 14-bit ADS6445 A/D converters sample at 125 Msamples/s. The ADS6425 provides 70.3-dB SNR and 83-dB SFDR at 50 MHz IF in the nominal state, with the ability to reach 86-dB SFDR through gain settings.

The ADS6445 provides 73.2-dB SNR and 83-dB SFDR at 50 MHz IF in the nominal state. The ADS6425 consumes 410 mW per channel, while the ADS6445 consumes 420 mW. The ADS6425 is available in a 64-pin QFN package with evaluation modules and deserializer solutions available. (Ea/1,000: ADS6425, $74.25; ADS6445, $132.30available now.)

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