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CS4334-DS Datasheet(PDF) 21 Page - Cirrus Logic |
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CS4334-DS Datasheet(HTML) 21 Page - Cirrus Logic |
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21 / 25 page ![]() CS4334/5/8/9 DS248F3 21 4.11 High Rate Mode Performance Plots -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d B r A 2k 20k 4k 6k 8k 10k 12 k 14 k 16k 18k Hz 2k 4k 6k 8k 10k 12k 14k 16k 18k -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 +0 Hz 20k +0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 2k 6k 4k 8k 10k 12k 14k 16k 18k 20k Hz -1 40 +0 -1 30 -1 20 -1 10 -1 00 -90 -80 -70 -60 -50 -40 -30 -20 -10 d B r A 2k 20 k 4k 6k 8k 10k 12 k 14k 16k 18k Hz 2k 4k 6k 8k 10k 12k 14k 16k 18k -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 +0 Hz 20k +0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 2k 6k 4k 8k 10k 12k 14k 16k 18k 20k Hz (16k FFT of a 1 kHz input signal) Figure 29. 0 dBFS FFT (HRM) (16k FFT of a 1 kHz input signal) Figure 30. -60 dBFS FFT (HRM) -1 40 +0 -1 30 -1 20 -1 10 -1 00 -90 -80 -70 -60 -50 -40 -30 -20 -10 d B r A 2k 20k 4k 6k 8k 10k 12 k 14 k 16k 18 k Hz 2k 4k 6k 8k 10k 12k 14k 16k 18k -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 +0 Hz 20k +0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 2k 6k 4k 8k 10k 12k 14k 16k 18k 20k Hz A udio P rec is ion 08/05/99 11:11:36 D -A CCIF IMD vs AMPLIT UD E -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d B r A 2k 20k 4k 6k 8k 10k 12k 14k 16k 18k Hz 2k 4k 6k 8k 10k 12k 14k 16k 18k -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 +0 Hz 20k +0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 2k 6k 4k 8k 10k 12k 14k 16k 18k 20k Hz (16k FFT with no input signal) Figure 31. Idle Channel Noise FFT (HRM) (16k FFT of intermodulation distortion using 13 kHz and 14 kHz input signals) Figure 32. Twin Tone IMD FFT (HRM) -110 -60 -100 -90 -80 -70 d B r A -60 +0 -50 -40 -30 -20 -10 dBFS -50 -40 -30 -20 -10 dBFS -60 +0 -110 -100 -90 -80 -70 -60 -110 +0 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 +0 20 50 100 200 500 1k 2k 5k 10k 20k Hz 100 50 200 500 1k 2k 5k 10k Hz 20 20k +0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 (THD+N plots measured using a 1kHz 24-bit dithered input signal) Figure 33. THD+N vs. Amplitude (HRM) (THD+N plots measured using a 1kHz 24-bit dithered input signal) Figure 34. THD+N vs. Frequency (HRM) All measurements were taken from the CDB4334 evaluation board using the Audio Precision Dual Domain System Two Cascade. |
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