Performance plots, Figure 3. frequency response, Figure 4. thd+n vs. amplitude – Cirrus Logic CDB3308 User Manual
Page 7: Figure 5. thd+n vs. frequency, Figure 6. crosstalk
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DS702DB2
7
CDB3308
3. PERFORMANCE PLOTS
(T
A
= +25 ºC, VA+ = +5 V, VA- = -5 V, VD = +3.3 V, R
L
= 100 k
Ω, C
L
= 20 pF, V
IN
= 2 V
RMS
, F
IN
= 1 kHz,
Gain = 0 dB, Measurement Bandwidth = 20 Hz to 20 kHz, unless otherwise noted.)
-1
+1
-0.9
-0.8
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
+0
+0.1
+0.2
+0.3
+0.4
+0.5
+0.6
+0.7
+0.8
+0.9
d
B
r
A
20
200k
50
100
200
500
1k
2k
5k
10k
20k
50k
100k
Hz
0.0001
1
0.0002
0.0005
0.001
0.002
0.005
0.01
0.02
0.05
0.1
0.2
0.5
%
100m
3
200m
300m
400m
500m
600m 700m 800m900m 1
2
Vrms
Figure 3. Frequency Response
Figure 4. THD+N vs. Amplitude
0.0001
1
0.0002
0.0005
0.001
0.002
0.005
0.01
0.02
0.05
0.1
0.2
0.5
%
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
-180
+0
-170
-160
-150
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
r
A
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
Figure 5. THD+N vs. Frequency
Figure 6. Crosstalk
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