Datasheet

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HPF (High-Pass Filter) Frequency Response
Frequency [× f
S
/1000]
−1.0
−0.8
−0.6
−0.4
−0.2
0.0
0.2
0 1 2 3 4
Amplitude − dB
G006
Frequency [× f
S
/1000]
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
0.0 0.1 0.2 0.3 0.4
Amplitude − dB
G005
Analog Filter—Antialiasing Filter Frequence Response
−1.0
−0.9
−0.8
−0.7
−0.6
−0.5
−0.4
−0.3
−0.2
−0.1
0.0
f − Frequency − Hz
Amplitude − dB
1 10 100 100k1k 10k
G008
−50
−45
−40
−35
−30
−25
−20
−15
−10
−5
0
f − Frequency − Hz
Amplitude − dB
100 1k 10k 10M100k 1M
G007
PCM1802
SLES023C – DECEMBER 2001 – REVISED JANUARY 2005
TYPICAL PERFORMANCE CURVES OF INTERNAL FILTER (continued)
AMPLITUDE AMPLITUDE
vs vs
FREQUENCY FREQUENCY
Figure 5. HPF Stop-Band Characteristics Figure 6. HPF Pass-Band Characteristics
AMPLITUDE AMPLITUDE
vs vs
FREQUENCY FREQUENCY
Figure 7. Antialias Filter Stop-Band Characteristics Figure 8. Antialias Filter Pass-Band Characteristics
All specifications at T
A
= 25 ° C, V
CC
= 5 V, V
DD
= 3.3 V, master mode, f
S
= 44.1 kHz, system clock = 384 f
S
,
oversampling ratio = × 128, 24-bit data, unless otherwise noted.
7