SM5846AP_06 Datasheet, PDF (7/36 Pages) Nippon Precision Circuits Inc – Multi-function Digital Filter

SM5846AP
Deemphasis Filter Characteristics (High-speed Sampling)
Parameter
Sampling frequency (fs)
Passband bandwidth
Deviation from ideal
characteristics
Attenuation
Phase
64kHz
0 to 29.0kHz
Rating
88.2kHz
0 to 40.0kHz
±0.001dB
0 to 1°
Deemphasis passband characteristic (logarithmic scale)
The phase traces are from top to bottom fs = 64/88.2/96kHz, respectively.
0
2
Phase
4
6
8
Attenuation
10
96kHz
0 to 43.5kHz
0
−20
−40
−60
10 20
50 100 200 500 1k 2k
Frequency [Hz]
5k 10k 20k
Deemphasis passband characteristic (linear scale)
The phase traces are from top to bottom fs = 64/88.2/96kHz, respectively.
0
0
2
Phase
−20
4
−40
6
−60
8
Attenuation
10
0
4k
8k
12k
16k
Frequency [Hz]
20k 22k 24k
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