PCM1723

5

SBAS057A

www.ti.com

PASSBAND RIPPLE CHARACTERISTIC

0

–0.2

–0.4

–0.6

–0.8

–1

0

0.1134f

S

0.2268f

S

0.3402f

S

0.4535f

S

Frequency (Hz)

TYPICAL CHARACTERISTICS (Cont.)

At TA = +25°C, VS = +5V, RL = 44.1kHz, and fSYS = 384fS, unless otherwise noted.

DIGITAL FILTER

0 0.4536f

S

1.3605f

S

2.2675f

S

3.1745f

S

4.0815f

S

0

–20

–40

–60

–80

–100

OVERALL FREQUENCY CHARACTERISTIC

Frequency (Hz)

DE-EMPHASIS FREQUENCY RESPONSE (32kHz)

0

5k

10k

15k

20k

25k

Frequency (Hz)

0

–2

–4

–6

–8

–10

–12

DE-EMPHASIS FREQUENCY RESPONSE (44.1kHz)

0

5k

10k

15k

20k

25k

Frequency (Hz)

0

–2

–4

–6

–8

–10

–12

DE-EMPHASIS FREQUENCY RESPONSE (48kHz)

0

5k

10k

15k

20k

25k

Frequency (Hz)

0

–2

–4

–6

–8

–10

–12

DE-EMPHASIS ERROR (32kHz)

0

3628

7256

10884

14512

0

4999.8375

9999.675

14999.5125

19999.35

0

5442

10884

16326

21768

Frequency (Hz)

0.6

0.4

0.2

0

–0.2

–0.4

–0.6

0.6

0.4

0.2

0

–0.2

–0.4

–0.6

0.6

0.4

0.2

0

–0.2

–0.4

–0.6

DE-EMPHASIS ERROR (44.1kHz)

Frequency (Hz)

DE-EMPHASIS ERROR (48kHz)

Frequency (Hz)