CDK5581 Cirrus Logic Inc, CDK5581 Datasheet - Page 23

• Manufacturer Part Number: CDK5581
• Description: KIT - CDB558 W/ Capture Plus II System
• Manufacturer: Cirrus Logic Inc
• Series: CapturePLUS™IIr

Specifications of CDK5581

• Number Of Adc's: 1
• Number Of Bits: 16
• Sampling Rate (per Second): 200k
• Data Interface: Serial
• Inputs Per Adc: 2 Single
• Input Range: ±2.048 V
• Power (typ) @ Conditions: 85mW @ 200kSPS
• Voltage Supply Source: Dual ±
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: CS5581
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 598-1574

3.9 Digital Filter Characteristics
The digital filter is designed for fast settling, therefore it exhibits very little in-band attenuation. The filter
attenuation is 0.26347 dB at 100 kHz when sampling at 200 kSps.
DS796PP1
Figure 19. CS5581 Spectral Response (DC to 20 kHz)
Figure 18. CS5581 Spectral Response (DC to fs/2)
-100
-120
Figure 20. CS5581 Spectral Response (DC to 8fs)
-0.005
-0.015
-20
-40
-60
-80
-0.01
-0.05
-0.10
-0.15
-0.20
-0.25
-0.30
0.00
0.00
0
0
0
0
-0.01049 dB
-0.006283 dB
20k
5k
400k
-0.04206 dB
-0.002622 dB
3/25/08
14:34
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
40k
-0.09443 dB
10k
800k
-0.005901 dB
60k
-0.16813 dB
fs = 200 kSps
fs = 200 kSps
fs = 200 kSps
15k
1.2M
80k
-0.26347 dB
-0.01049 dB
100k
20k
1.6M
CS5581
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