SM5846AP 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
64 kHz
0 to 29.0 kHz
Rating
88.2 kHz
0 to 40.0 kHz
±0.001 dB
0 to 1°
Deemphasis passband characteristic (logarithmic scale)
The phase traces are from top to bottom fs = 64/88.2/96 kHz, respectively.
0
2
Phase
4
6
8
Attenuation
10
96 kHz
0 to 43.5 kHz
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 = 64/88.2/96 kHz, respectively.
0
0
Phase
2
-20
4
-40
6
-60
8
Attenuation
10
0
4k
8k
12k
16k
Frequency (Hz)
20k 22k 24k
Audio
ICs
NIPPON PRECISION CIRCUITS—7