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
-
-
-
-
-
-
-
-
-
-
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
PCM1690
SBAS448A – OCTOBER 2008 – REVISED JANUARY 2009 ..............................................................................................................................................
www.ti.com
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.
10 Submit Documentation Feedback Copyright © 2008 – 2009, Texas Instruments Incorporated
Product Folder Link(s): PCM1690