CS4244-CNZ Cirrus Logic Inc, CS4244-CNZ Datasheet - Page 60

• Manufacturer Part Number: CS4244-CNZ
• Description: IC 4 Input / 5 Output CODEC
• Manufacturer: Cirrus Logic Inc

DS900PP2
7. ADC FILTER PLOTS
−0.5
−1.5
−2.5
−100
−10
−1
−2
−3
−10
−20
−30
−40
−50
−60
−70
−80
−90
−1
−2
−3
−4
−5
−6
−7
−8
−9
0
0.45
0
0
0
0
0.46
2
0.1
Figure 34. ADC Transition Band (Detail)
Figure 32. ADC Stopband Rejection
0.47
4
0.2
Figure 36. ADC HPF (48 kHz)
0.48
6
0.3
High−Pass Filter Response (Fs = 48kHz)
0.49
8
Frequency (normalized to Fs)
0.4
Frequency (normalized to Fs)
Transition Band (Detail)
Frequency (Hz)
Stopband Rejection
10
0.5
0.5
0.51
12
0.6
0.52
14
0.7
16
0.53
0.8
18
0.54
0.9
0.55
20
1
−0.01
−0.02
−0.03
−0.04
−0.05
0.05
0.04
0.03
0.02
0.01
−0.5
−1.5
−2.5
−100
−10
−20
−30
−40
−50
−60
−70
−80
−90
−1
−2
−3
0
0
0
0
0
0.4
0.05
0.42
2
Figure 35. ADC Passband Ripple
0.1
Figure 33. ADC Transition Band
0.44
4
Figure 37. ADC HPF (96 kHz)
0.15
0.46
6
High−Pass Filter Response (Fs = 96kHz)
0.2
Frequency (normalized to Fs)
8
0.48
Frequency (normalized to Fs)
Passband Ripple
Frequency (Hz)
Transition Band
0.25
10
0.5
0.3
12
0.52
0.35
14
0.54
0.4
CS4244
16
0.56
0.45
18
0.58
0.5
60
20
0.6