CS5571 View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

CS5571

±2.5 V / 5 V, 100 kSps, 16-bit, High-throughput ∆Σ ADC

Cirrus Logic

'CS5571' PDF : 32 Pages View PDF

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3/25/08
10:56
CS5571
3.10 Digital Filter Characteristics
The digital filter is designed for fast settling, therefore it exhibits very little in-band attenuation. The filter
attenuation is 1.040 dB at 50 kHz when sampling at 100 kSps.
0.00
-0.25
-0.50
-0.0414 dB
-0.1660 dB
-0.3740 dB
fs = 100 kSps
-0.75
-0.6660 dB
-1.00
-1.25
-1.040 dB
-1.50
0
10k
20k
30k
40k
50k
Frequency (Hz)
Figure 24. CS5571 Digital Filter Response (DC to fs/2)
0.00
-0.001650 dB
-0.01
-0.00700 dB
fs = 100 kSps
-0.02
-0.01490 dB
-0.03
-0.02643 dB
-0.04
-0.04140 dB
-0.05
0
2k
4k
6k
8k
10k
Frequency (Hz)
Figure 25. CS5571 Digital Filter Response (DC to 10 kHz)
0
-20
fs = 100 kSps
-40
-60
-80
-100
-120
0
100k
200k
300k
400k
Frequency (Hz)
Figure 26. CS5571 Digital Filter Response (DC to 4fs)
DS768PP1
25

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