beautypg.com

Performance plots, Figure 3. frequency response, Figure 4. thd+n vs. amplitude – Cirrus Logic CDB3318 User Manual

Page 7: Figure 5. thd+n vs. frequency, Figure 6. crosstalk

background image

DS693DB2

7

CDB3318

3. PERFORMANCE PLOTS

(T

A

= +25 ºC, VA+ = +9 V, VA- = -9 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

6

200m

300m

400m

500m 600m 700m

900m 1

2

3

4

5

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