SM5841H Datasheet, PDF (10/20 Pages) Nippon Precision Circuits Inc – Audio Multi-function Digital Filter

SM5841H
Deemphasis filter
Parameter
32 kHz
Sampling frequency
44.1 kHz
Passband bandwidth (kHz)
Attenuation (dB)
Deviation from ideal characteristic¹
Phase, θ (°)
0 to 14.5
−0.40 to +0.40
−2 to 19
0 to 20.0
−0.05 to +0.15
−1 to 15
1. The maximum deviation from an ideal filter with 0 dB attenuation and 0° phase characteristics for a 1 kHz input signal.
Passband response with deemphasis ON (fs = 44.1 kHz)
48 kHz
0 to 21.7
−0.30 to +0.05
−1 to 14
0
2
4
6
8
10
10 20
50 100 200 500 1k 2k
Frequency (Hz)
Passband response with deemphasis ON (fs = 32/48 kHz)
5k 10k 20k
0
2
4
6
8
10
10 20
48kHz
50 100 200 500 1k 2k
Frequency (Hz)
32kHz
5k 10k 20k
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