6 synchronization of multiple devices, Filter plots - all speed modes – Cirrus Logic CS5344 User Manual
Page 16

16
DS687F4
CS5343/4
Draft
2/1/11
4.6
Synchronization of Multiple Devices
In systems where multiple ADCs are required, care must be taken to achieve simultaneous sampling. To
ensure synchronous sampling, the MCLK, SCLK, and LRCK signals must be the same for all of the CS5343
and CS5344 devices in the system.
5. FILTER PLOTS - ALL SPEED MODES
Figure 8. Stopband Rejection
Figure 9. Transition Band
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
Frequency (norm alized to Fs)
Amplitude (dB)
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0.40
0.42
0.44
0.46
0.48
0.50
0.52
0.54
0.56
0.58
0.60
Frequency (norm alized to Fs)
Amplitude (dB)
Figure 10. Transition Band (Detail)
Figure 11. Passband Ripple
-0.10
-0.08
-0.06
-0.04
-0.02
0.00
0.02
0.04
0.06
0.08
0.10
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35 0.40
0.45
0.50
Frequency (norm alized to Fs)
Amplitude (dB)
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
0.46
0.47
0.48
0.49
0.50
0.51
0.52
Frequency (norm alized to Fs)
Amplitude (dB)