®

5

PCM1725

TYPICAL PERFORMANCE CURVES

At TA = +25°C, +VCC = +VDD = +5V, fS = 44.1kHz, and 16-bit input data, SYSCLK = 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)

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)

DE-EMPHASIS FREQUENCY RESPONSE (44.1kHz)

Frequency (kHz)

0

–2

–4

–6

–8

–10

–12

0

5

10

15

20

25

DE-EMPHASIS FREQUENCY ERROR (44.1kHz)

Frequency (kHz)

0.6

0.4

0.2

0.0

–0.2

–0.4

–0.6

0

4999.8375

9999.675

14999.5125

19999.35