Cirrus-logic CDB5343 Bedienungsanleitung PDF herunterladen (Seite 12)

12 DS687DB2

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

ColorSweep 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

-95

-90

-85

-80

-75

-70

-65

-60

-55

-50

-45

-40

-35

-30

-25

-20

-15

-10

-5

-100

-95

-90

-85

-80

-75

-70

-65

-60

-55

-50

-45

-40

-35

-30

-25

-20

-15

-10

-5

2k 20k4k 6k 8k 10k 12k 14k 16k 18k

TTTTTTT

CDB5343 (Rev A device) THD+N vs. Frequency

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 22 23

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