Datasheet

TYPICAL CHARACTERISTICS: DIGITAL FILTER
De-Emphasis Filter
0
1
2
3
4
5
6
7
8
9
10
-
-
-
-
-
-
-
-
-
-
De-EmphasisLevel(dB)
Frequency(kHz)
0 4
14
2 6 8
10
12
f =32kHz
S
0.5
0.4
0.3
0.2
0.1
0
0.1
0.2
0.3
0.4
0.5
-
-
-
-
-
De-EmphasisError(dB)
Frequency(kHz)
0 4
14
2 6 8
10 12
f =32kHz
S
0
1
2
3
4
5
6
7
8
9
10
-
-
-
-
-
-
-
-
-
-
De-EmphasisLevel(dB)
Frequency(kHz)
0 4
20
2 6 8
10 12
f =44.1kHz
S
14 16 18
0.5
0.4
0.3
0.2
0.1
0
0.1
0.2
0.3
0.4
0.5
-
-
-
-
-
De-EmphasisError(dB)
Frequency(kHz)
0 4
20
2 6 8
10 12
f =44.1kHz
S
14 16 18
0
1
2
3
4
5
6
7
8
9
10
-
-
-
-
-
-
-
-
-
-
De-EmphasisLevel(dB)
Frequency(kHz)
0 4
22
2 6 8
10 12
f =48kHz
S
14 16 18 20
0.5
0.4
0.3
0.2
0.1
0
0.1
0.2
0.3
0.4
0.5
-
-
-
-
-
De-EmphasisError(dB)
Frequency(kHz)
0 4
22
2 6 8
10 12
f =48kHz
S
14 16 18 20
PCM1795
www.ti.com ........................................................................................................................................................................................................ SLES248 – MAY 2009
DE-EMPHASIS LEVEL vs FREQUENCY DE-EMPHASIS ERROR vs FREQUENCY
Figure 6. Figure 7.
DE-EMPHASIS LEVEL vs FREQUENCY DE-EMPHASIS ERROR vs FREQUENCY
Figure 8. Figure 9.
DE-EMPHASIS LEVEL vs FREQUENCY DE-EMPHASIS ERROR vs FREQUENCY
Figure 10. Figure 11.
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