ASAHI KASEI

[AKD4125-A]

<KM078700>

2005/06

- 10 -

AK4125 Frequency_Response (fsi=48KHz,fso=44.1KHz) AVDD=DVDD=3.3V,Input=0dBFS

2k

22k

4k

6k

8k

10k

12k

14k

16k

18k

20k

Hz

-6

+1

-5.5

-5

-4.5

-4

-3.5

-3

-2.5

-2

-1.5

-1

-0.5

-0

+0.5

d

B

F

S

Fig 5. Frequency Response

AK4125 FFT Plot (fsi=48KHz,fso=44.1KHz) AVDD=DVDD=3.3V,Input=0dBFS,fin=1KHz

-200

+0

-190

-180

-170

-160

-150

-140

-130

-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

Fig 6. FFT Plot (Input = 0dBFS)