AK4125VFP-E2 AKM Semiconductor Inc, AK4125VFP-E2 Datasheet - Page 23

• Manufacturer Part Number: AK4125VFP-E2
• Description: IC SAMPLE RATE CONVERTER 30VSOP
• Manufacturer: AKM Semiconductor Inc
• Series: -r
• Type: Sample Rate Converterr

Specifications of AK4125VFP-E2

• Applications: Automotive Systems, Home Theater, TV
• Mounting Type: Surface Mount
• Package / Case: 30-LSSOP (0.220", 5.60mm Width)
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 974-1042-2

3. Digital Filter Response Example
Table 8
MS0379-E-05
shows the examples of digital filter response performed by the AK4125.
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
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]
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 8. Digital Filter Example
Stopband [kHz]
- 23 -
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
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
−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]
[AK4125]
2010/05