Datasheet

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HIGH-PASS FILTER
Normalized Frequency [× f
S
/1000 Hz]
−1.0
−0.8
−0.6
−0.4
−0.2
0.0
0.2
0 1 2 3 4
Amplitude − dB
G014
ANTIALIASING FILTER
−1.0
−0.8
−0.6
−0.4
−0.2
0.0
0.2
f − Frequency − Hz
Amplitude − dB
1 10 100 100k1k 10k
G015
470 pF
1000 pF
−50
−40
−30
−20
−10
0
f − Frequency − Hz
Amplitude − dB
1 10 100 10M1k 10k
G016
100k 1M
470 pF
1000 pF
PCM3000
PCM3001
SBAS055A – OCTOBER 2000 – REVISED OCTOBER 2004
TYPICAL PERFORMANCE CURVES OF INTERNAL FILTERS (ADCs) (continued)
All specifications at T
A
= 25 ° C, V
CC
= V
DD
= 5 V, and SYSCLK = 384 f
S
, unless otherwise noted
HIGH-PASS FILTER RESPONSE
Figure 14.
ANTIALIASING FILTER PASS-BAND ANTIALIASING FILTER OVERALL
FREQUENCY RESPONSE (C
EXT
= 470 pF, 1000 pF) FREQUENCY RESPONSE (C
EXT
= 470 pF, 1000 pF)
Figure 15. Figure 16.
12