AK4368 Datasheet, PDF (10/58 Pages) Asahi Kasei Microsystems – PLL & HP-AMP DAC

ASAHI KASEI
[AK4368]
ϑΟϧλಛੑ
(Ta=25°C; AVDD, DVDD, PVDD, HVDD=1.6 ∼ 3.6V; fs=44.1kHz; De-emphasis = “OFF”)
Parameter
Symbol
min
typ
max
Units
DAC Digital Filter: (Note 12)
Passband (Note 13)
−0.05dB
PB
0
-
20.0
kHz
−6.0dB
-
22.05
-
kHz
Stopband (Note 13)
SB
24.1
-
-
kHz
Passband Ripple
PR
-
-
±0.02
dB
Stopband Attenuation
SA
54
-
-
dB
Group Delay (Note 14)
GD
-
22
-
1/fs
Group Delay Distortion
∆GD
-
0
-
µs
DAC Digital Filter + Analog Filter: (Note 12) (Note 15)
Frequency Response 0 ∼ 20.0kHz
FR
-
±0.5
-
dB
Analog Filter: (Note 16)
Frequency Response 0 ∼ 20.0kHz
FR
-
±1.0
-
dB
BOOST Filter: (Note 15) (Note 17)
Frequency Response
20Hz
FR
MIN 100Hz
1kHz
20Hz
FR
MID 100Hz
1kHz
20Hz
FR
MAX 100Hz
1kHz
-
5.76
-
dB
-
2.92
-
dB
-
0.02
-
dB
-
10.80
-
dB
-
6.84
-
dB
-
0.13
-
dB
-
16.06
-
dB
-
10.54
-
dB
-
0.37
-
dB
Note 12. BOOST OFF (BST1-0 bit = “00”)
Note 13.௨աҬɺ્ࢭҬͷप೾਺͸ fs (γεςϜαϯϓϦϯάϨʔτ)ʹൺྫ͠·͢ɻ
ྫ͑͹ɺPB=0.4535fs(@−0.05dB)ɺSB=0.546fs(@−54dB)Ͱ͢ɻ
Note 14. σΟδλϧϑΟϧλʹΑΔԋࢉ஗ԆͰɺσʔλ͕ೖྗϨδελʹηοτ͞Ε͔ͯΒΞφϩά৴߸͕
ग़ྗ͞ΕΔ·Ͱͷ࣌ؒͰ͢ɻ
Note 15. DAC Æ HPL, HPR, LOUT, ROUTͰͷಛੑ
Note 16. MIN Æ HPL/HPR/LOUT/ROUT, LIN Æ HPL/LOUT, RIN Æ HPR/ROUTͰͷಛੑɻ
Note 17. प೾਺ಛੑ͸fsʹൺྫ͠·͢ɻϑϧεέʔϧೖྗ࣌ʹ͸ɺ௿ҬͰΫϦοϓ͠·͢ɻ
Boost Filter (fs=44.1kHz)
20
MAX
15
MID
10
MIN
5
0
-5
10
100
1000
Frequency [Hz]
10000
Figure 2. Boost Frequency (fs=44.1kHz)
MS0409-J-01
- 10 -
2005/08