WM8960CGEFLSLASHV datasheet(87/94 Pages) CIRRUS

87 / 94 page

WM8960

Rev 4.4

DAC FILTER RESPONSES

DAC STOPBAND ATTENUATION

The DAC digital filter type is selected by the DACSLOPE register bit as shown in Table 50.

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R6 (06h)

ADC and DAC

Control (2)

DACSLOPE

Selects DAC filter characteristics

0 = Normal mode

1 = Sloping stopband mode

Table 50 DAC Filter Selection

MAGNITUDE(dB)

-150

-130

-110

-90

-70

-50

-30

-10

0.5

1.5

2.5

Frequency (fs)

MAGNITUDE(dB)

-0.005

0.005

0.01

0.015

0.02

0.025

0.03

0.035

0.04

0.05

0.1

0.15

0.2

0.25

0.3

0.35

0.4

0.45

0.5

Frequency (fs)

Figure 40 DAC Digital Filter Frequency Response (Normal

Mode)

Figure 41 DAC Digital Filter Ripple (Normal Mode)

MAGNITUDE(dB)

-150

-130

-110

-90

-70

-50

-30

-10

0.5

1.5

2.5

Frequency (fs)

MAGNITUDE(dB)

-0.5

-0.45

-0.4

-0.35

-0.3

-0.25

-0.2

-0.15

-0.1

-0.05

0.05

0.1

0.15

0.2

0.25

0.3

0.35

0.4

0.45

0.5

Frequency (fs)

Figure 42 DAC Digital Filter Frequency Response (Sloping

Stopband Mode)

Figure 43 DAC Digital Filter Ripple (Sloping Stopband

Mode)

WM8960CGEFL/V Datasheet(PDF) 87 Page - Cirrus Logic

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