Cirrus Logic CDB5343 - Manual (Page 12)

12
DS68
7DB2
CDB5343
13.CDB PERFORMANCE CURVES
13.1 Total Harmonic Distortion + Noise (THD+N)
Figure 17 shows typical THD+N performance of the CS5343 installed on the CDB5343. Performance curves are displayed for each channel
with the CS5343 running at Single-Speed in both Master and Slave Modes and for VA voltages of both +3.3 V and 5 V.
Figure 17. CDB5343 THD+N Performance
Color Sweep Trace Line Style Thick Data Axis Comment
1 1 Blue Solid 1 DSP Anlr.THD+N Ampl A Left 5V Master SSM 256x
1 2 Blue Solid 1 DSP Anlr.THD+N Ampl B Right 5V Master SSM 256x
2 1 Red Solid 1 DSP Anlr.THD+N Ampl A Left 5V Slave SSM 256x
2 2 Red Solid 1 DSP Anlr.THD+N Ampl B Right 5V Slave SSM 256x
3 1 Green Solid 1 DSP Anlr.THD+N Ampl A Left 3.3 V Slave SSM 256x
3 2 Green Solid 1 DSP Anlr.THD+N Ampl B Right 3.3 V Slave SSM 256x
4 1 Yellow Solid 1 DSP Anlr.THD+N Ampl A Left 3.3 V Slave SSM 256x
4 2 Yellow Solid 1 DSP Anlr.THD+N Ampl B Right 3.3 V Slave SSM 256x
-100
+0
-95
-90
-85
-80
-75
-70
-65
-60
-55
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
d
B
F
S
-100
+0
-95
-90
-85
-80
-75
-70
-65
-60
-55
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
d
B
F
S
2k 20k 4k 6k 8k 10k 12k 14k 16k 18k
Hz
T T T T T T T
CDB5343 (Rev A device) THD+N vs. Frequency