Cirrus Logic CDB5343 - Manual (Page 9)

DS687DB2 9
CDB5343
12.PERFORMANCE PLOTS
-130
+0
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
F
S
20 20k 50 100 200 500 1k 2k 5k 10k
Hz
-130
+0
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
F
S
20 20k 50 100 200 500 1k 2k 5k 10k
Hz
Figure 1. FFT (-1 dB 48 kHz) Figure 2. FFT (-60 dB, 48 kHz)
-130
+0
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
F
S
20 20k 50 100 200 500 1k 2k 5k 10k
Hz
-100
+0
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
F
S
20 20k 50 100 200 500 1k 2k 5k 10k
Hz
Figure 3. FFT (48 kHz, No Input) Figure 4. 48 kHz, THD+N vs. Input Freq
-100
+0
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
F
S
-120 +0 -100 -80 -60 -40 -20
dBr
-40
+40
-35
-30
-25
-20
-15
-10
-5
+0
+5
+10
+15
+20
+25
+30
+35
d
B
F
S
-140 +0 -120 -100 -80 -60 -40 -20
dBr
T T T T T T T T T T T T T T T T T T T T
Figure 5. 48 kHz, THD+N vs. Level Figure 6. 48 kHz, Fade-to-Noise Linearity