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AN221E04 Datasheet – Dynamically Reconfigurable FPAA With Enhanced I/O
DS030100-U006a - 20 -
The following is provided for information only, as and when additional characterization data is collected ‘noise measurements’
will be added formally to the datasheet.
Noise And Distortion Observations
The following plots give an indication of the noise characteristics of Anadigm®’s AN221E04 FPAA device.
These were done using a simple set-up and in many cases reflect the noise limit of the setup. Actual device noise margins are
expected to be better.
Signal and Noise for the Input Cell (input signal - 50mVp-p differential to the FPAA at 10 kHz)
Signal and Noise for the Output Cell (with a differential input 4V p-p, 660Hz)
Input gain stage set at X16
Input anti-aliasing filter set off
Input chopper amplifier set off
Signal to Noise: -92 dB, at 376KHz, 3Hz BW
Signal to Noise: -106 dB, at 345KHz, 3Hz BW
Voltage output mode (including filter) ON
Output smoothing filter set at fC = 470 kHz
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