WM8501 Просмотр технического описания (PDF) - Wolfson Microelectronics plc

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WM8501

24-bit 192kHz Stereo DAC with 1.7Vrms Line Driver

Wolfson Microelectronics plc 

WM8501

DIGITAL FILTER CHARACTERISTICS

PARAMETER

Passband Edge

Passband Ripple

Stopband Attenuation

SYMBOL TEST CONDITIONS

MIN

-3dB

f < 0.444fs

f > 0.555fs

-60

Table 5 Digital Filter Characteristics

TYP

0.487fs

Production Data

MAX

0.05

UNIT

dB

dB

DAC FILTER RESPONSES

0

-20

-40

-60

-80

-100

-120

0

0.5

1

1.5

2

2.5

Frequency (Fs)

Figure 7 DAC Digital Filter Frequency Response -

44.1, 48 and 96kHz

0

-20

0.2

0.15

0.1

0.05

0

-0.05

-0.1

-0.15

-0.2

3

0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5

Frequency (Fs)

Figure 8 DAC Digital Filter Ripple -

44.1, 48 and 96kHz

0.2

0

-0.2

-40

-0.4

-0.6

-60

-80

0

0.2

0.4

0.6

0.8

1

Frequency (Fs)

Figure 9 DAC Digital Filter Frequency Response - 192kHz

-0.8

-1

0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5

Frequency (Fs)

Figure 10 DAC Digital Filter Ripple - 192kHz

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PD, Rev 4.3, February 2013

14

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