Datasheet
TYPICAL CHARACTERISTICS: Digital De-Emphasis Filter
0
1
2
3
4
5
6
7
8
9
10
-
-
-
-
-
-
-
-
-
-
22
Amplitude(dB)
Frequency(kHz)
0 64
2
8
10
12 14 16 18 20
0
1
2
3
4
5
6
7
8
9
10
-
-
-
-
-
-
-
-
-
-
20
Amplitude(dB)
Frequency(kHz)
0 64
2
8
10
12 14 16 18
0
1
2
3
4
5
6
7
8
9
10
-
-
-
-
-
-
-
-
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-
14
Amplitude(dB)
Frequency(kHz)
0 64
2
8
10
12
0
10
20
30
40
50
-
-
-
-
-
10M
Amplitude(dB)
Frequency(Hz)
1k 10k 100k
1M
PCM1789
www.ti.com
.............................................................................................................................................. SBAS451A – OCTOBER 2008 – REVISED JANUARY 2009
All specifications at T
A
= +25 ° C, VCC1 = VCC2 = 5 V, VDD = 3.3 V, f
S
= 48 kHz, SCKI = 512 f
S
, 24-bit data, and Sampling
mode = Auto, unless otherwise noted.
DE-EMPHASIS CHARACTERISTIC DE-EMPHASIS CHARACTERISTIC
(f
S
= 48 kHz) (f
S
= 44.1 kHz)
Figure 7. Figure 8.
DE-EMPHASIS CHARACTERISTIC
(f
S
= 32 kHz) ANALOG FILTER CHARACTERISTIC
Figure 9. Figure 10.
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Product Folder Link(s): PCM1789