TYPICAL CHARACTERISTICS: DE-EMPHASIS FILTER

f – Frequency – kHz

−0.5

−0.4

−0.3

−0.2

−0.1

0.0

0.1

0.2

0.3

0.4

0.5

0

2

4

6

8

10

12

14

fS = 32 kHz

G006

−10

−9

−8

−7

−6

−5

−4

−3

−2

−1

0

0

2

4

6

8

10

12

14

f – Frequency – kHz

fS = 32 kHz

G005

f – Frequency – kHz

−0.5

−0.4

−0.3

−0.2

−0.1

0.0

0.1

0.2

0.3

0.4

0.5

0

2

4

6

8

10

12

14

16

18

20

fS = 44.1 kHz

G008

f – Frequency – kHz

−10

−9

−8

−7

−6

−5

−4

−3

−2

−1

0

0

2

4

6

8

10

12

14

16

18

20

fS = 44.1 kHz

G007

PCM1680

SLES133B – MARCH 2005 – REVISED OCTOBER 2008.................................................................................................................................................. www.ti.com

All specifications at TA = +25°C, VCC = 5 V, fS = 48 kHz, system clock = 512 fS, and 24-bit data, unless otherwise noted.

DE-EMPHASIS

DE-EMPHASIS ERROR

Figure 5.

Figure 6.

DE-EMPHASIS

DE-EMPHASIS ERROR

Figure 7.

Figure 8.

8

Submit Documentation Feedback

Copyright © 2005–2008, Texas Instruments Incorporated

Product Folder Link(s): PCM1680