AK5397 Datasheet, PDF (14/44 Pages) Asahi Kasei Microsystems – 32-Bit Stereo Premium ADC

[AK5397]
■ Digital Filter Plot
0.00040
0.00030
0.00020
(2)
0.00010
0.00000
-0.00010
-0.00020
-0.00030
-0.00040
0
8
(4)
(3)
(1)
16
24
32
40
Frequency[KHz]
Figure 3. Sharp Roll Off Filter Normal Mode
20.0
0.0
-20.0
-40.0
-60.0
-80.0
-100.0
-120.0
-140.0
48
0.00040
0.00030
0.00020 ₍₂₎
0.00010
0.00000
-0.00010
-0.00020
-0.00030
-0.00040
0
20.0
0.0
-20.0
-40.0
(4)
-60.0
(3)
-80.0
(1)
-100.0
-120.0
-140.0
16
32
48
64
80
96
Frequency[KHz]
Figure 4. Sharp Roll Off Filter Double Mode
0.00800
0.00600
0.00400
0.00200
0.00000
-0.00200
-0.00400
-0.00600
-0.00800
0
(2)
32
(3)
(1)
64
96
128
Frequency[KHz]
20.0
0.0
-20.0
-40.0
-60.0
(4)
-80.0
-100.0
-120.0
-140.0
160
192
Figure 5. Sharp Roll Off Filter Quad Mode
014011535-E-00
- 14 -
2014/11