AK4129 AKM [Asahi Kasei Microsystems], AK4129 Datasheet - Page 47

• Manufacturer Part Number: AK4129
• Description: 6ch 216kHz / 24-Bit Asynchronous SRC
• Manufacturer: AKM [Asahi Kasei Microsystems]

3. Digital Filter Response Example
Table 14
4. I
SCL and SDA pins should be connected to DVDD1-4 through the resistor based on I
between each pin and DVDD1-4, the pulled up voltage must be DVDD1-4 or lower
MS1173-E-01
2
C bus Connection
4.000
1.000
0.919
0.725
0.667
0.544
0.500
0.500
0.459
0.363
0.333
0.250
0.250
0.230
0.167
0.181
0.167
0.181
shows the examples of digital filter response performed by the AK4129.
Ratio
FSO/FSI [kHz]
48.0/192.0
44.1/176.4
44.1/192.0
32.0/192.0
32.0/176.4
48.0/48.0
44.1/48.0
32.0/44.1
32.0/48.0
48.0/88.2
48.0/96.0
44.1/88.2
44.1/96.0
32.0/88.2
32.0/96.0
192/48.0
8/48.0
8/44.1
Passband [kHz]
SDA pin
+3.3V
22.000
22.000
20.000
14.088
13.688
19.250
20.900
19.202
18.700
12.863
12.500
17.600
16.170
15.860
11.200
10.278
2.5695
2.800
Table 14. Digital Filter Example
Figure 51. SDA pin output
Stopband [kHz]
- 47 -
DVDD1-4
VSS2-5
26.000
26.000
24.100
17.487
17.488
26.232
27.000
24.806
25.000
18.665
18.900
30.200
27.746
28.240
19.600
17.987
4.4968
4.900
AK4129
Attenuation [dB]
Stopband
−121.2
−121.2
−121.4
−115.3
−116.9
−114.6
−100.2
−100.2
−103.3
−102.0
−103.6
−104.0
−104.0
−103.3
−73.2
−73.2
−73.2
−73.2
(Figure
2
C standard. As there is a protection
51).
−2.97@ 3.625k
−7.88@ 3.625k
−0.01@ 14.5k
−0.19@ 14.5k
−0.75@ 14.5k
−1.07@ 14.5k
−2.97@ 14.5k
−7.88@ 14.5k
−0.01@ 20k
−0.01@ 20k
−0.01@ 20k
−0.03@ 20k
−0.01@ 20k
−0.08@ 20k
−0.23@ 20k
−0.18@ 20k
−1.34@ 20k
−1.40@ 20k
Gain [dB]
[AK4129]
2010/09