SM5843A View Datasheet(PDF) - Nippon Precision Circuits
Part Name
Description
Manufacturer
SM5843A Datasheet PDF : 24 Pages
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SM5843A×1
Filter Characteristics
8-times interpolation filter (sharp roll-off: response 1)
Parameter
Passband
Stopband
Passband ripple
Stopband attenuation
Group delay1
Condition
SYNCN = LOW
SYNCN = HIGH
Rating @ 256fs
0 to 0.4535fs
0.5465fs to 7.4535fs
≤ ±0.00005 dB
≥ 110 dB
44.625/fs
44.25/fs to 45.0/fs
1. The digital filter arithmetic computation time from when the completion of data input at rate fs to the start of data output at rate 8fs.
8fs filter response with deemphasis OFF
0
20
40
60
80
100
120
140
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
Frequency (×fs)
8fs filter band transition response with deemphasis OFF
0
20
40
60
80
100
120
140
0.440
0.465
0.490
0.515
0.540
0.565
Frequency (×fs)
0.590
0.615
0.640
8fs filter passband response with deemphasis OFF
-0.0001
-0.00005
0.00000
0.00005
0.0001
0.000
0.125
0.250
0.375
Frequency (×fs)
0.500
NIPPON PRECISION CIRCUITS—11
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