AK4612EQ Datasheet, PDF (13/68 Pages) Asahi Kasei Microsystems – 6/8-Channel Audio CODEC

[AK4612]
ϑΟϧλಛੑ(fs=192kHz)
(Ta= Tmin ∼ Tmax; AVDD1=AVDD2=3.0∼ 3.6V, DVDD=1.6∼ 2.0V, TVDD1=TVDD2=1.6∼ 3.6V; DEM=OFF)
Parameter
Symbol
min
typ
max
Units
ADC Digital Filter (Decimation LPF):
Passband
(Note 13) ±0.1dB
PB
0
-
56.6
kHz
−0.2dB
-
57.0
-
kHz
−3.0dB
-
90.3
-
kHz
Stopband
(Note 13)
SB
112
-
-
kHz
Passband Ripple
PR
-
-
±0.1
dB
Stopband Attenuation
SA
70
-
-
dB
Group Delay Distortion
ΔGD
-
0
-
μs
Group Delay
(Note 14)
GD
-
16
-
1/fs
ADC Digital Filter (HPF):
Frequency Response (Note 13) −3dB
FR
-
4.0
-
Hz
−0.1dB
-
26.0
-
Hz
DAC Digital Filter (LPF):
Passband
(Note 13) ±0.06dB
PB
0
-
87.0
kHz
−6.0dB
-
96.0
-
kHz
Stopband
(Note 13)
SB
104.9
-
-
kHz
Passband Ripple
PR
-
-
±0.06
dB
Stopband Attenuation
SA
54
-
-
dB
Group Delay Distortion
ΔGD
-
0
-
μs
Group Delay
(Note 14)
GD
-
22
-
1/fs
DAC Digital Filter + Analog Filter:
Frequency Response (Note 15) 80kHz
FR
-
-1
-
dB
Note 13. ֤ৼ෯ಛੑͷप೾਺͸fs (γεςϜαϯϓϦϯάϨʔτ)ʹൺྫ͠·͢ɻྫ͑͹ɺfs=48kHz࣌ͷ৔߹
ADCͷ±0.1dBʹ͓͚ΔPassband 0.39375 × fsͰ͢ɻDACͷ±0.06dBʹ͓͚ΔPassband͸0.45412 x fsͰ͢ɻ
Note 14. σΟδλϧϑΟϧλʹΑΔ஗ԆԋࢉͰɺΞφϩά৴߸͕ೖྗ͞Ε͔ͯΒ྆νϟωϧͷ24bitσʔλ͕
ADCग़ྗϨδελʹηοτ͞ΕΔ·Ͱͷ࣌ؒͰ͢ɻDAC෦͸24bitσʔλ͕ೖྗϨδελʹηοτ͞
Ε͔ͯΒΞφϩά৴߸͕ग़ྗ͞ΕΔ·Ͱͷ࣌ؒͰ͢ɻ
Note 15. 1kHzΛج४ʹͨ͠஋Ͱ͢ɻ

MS1039-J-01
- 13 -
2009/06