Near noiseless ADC drivers for imaging
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As the number of pixels increases, so does the sample rate of the ADC required to capture the image, with 20Msps pipelined ADCs sufficient for most high dynamic range applications. To ensure the highest SNR performance of the sampled signal, the drive circuitry for the ADC must provide low impedance, fast settling without introducing wideband noise and yet present high input impedance to the sensor.
Read the full article on page 18 of our October digital edition.
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