sm5841 Nippon Precision Circuits Inc, (NPC), sm5841 Datasheet - Page 10

• Manufacturer Part Number: sm5841
• Description: Audio Multi-function Digital Filter
• Manufacturer: Nippon Precision Circuits Inc, (NPC)

Deemphasis filter
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)
Passband response with deemphasis ON (fs = 32/48 kHz)
Passband bandwidth (kHz)
Deviation from ideal characteristic
10
2
0
4
8
6
10
2
10
0
4
8
6
10
Parameter
1
20
20
Attenuation (dB)
Phase, ( )
50
50
100
100
200
200
SM5841H
Frequency (Hz)
Frequency (Hz)
500
500
0.40 to +0.40
0 to 14.5
32 kHz
2 to 19
1k
1k
48kHz
2k
2k
Sampling frequency
NIPPON PRECISION CIRCUITS—10
5k
0.05 to +0.15
44.1 kHz
5k
0 to 20.0
1 to 15
32kHz
10k
10k
20k
20k
0.30 to +0.05
0 to 21.7
48 kHz
1 to 14