AK4631 Datasheet, PDF (11/69 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP

ASAHI KASEI
[AK4631]
ϑΟϧλಛੑ
(Ta = 25°C; AVDD, DVDD =2.6 ∼ 3.6V, SVDD =2.6 ∼ 5.25V; fs=8kHz)
Parameter
Symbol
min
typ
ADC Digital Filter (Decimation LPF):
Passband
(Note 21)
±0.16dB
−0.66dB
PB
0
-
3.5
−1.1dB
-
3.6
−6.9dB
-
4.0
Stopband
(Note 21)
SB
4.7
Passband Ripple
PR
Stopband Attenuation
Group Delay
(Note 22)
Group Delay Distortion
SA
73
GD
17.1
∆GD
0
ADC Digital Filter (HPF):
Frequency Response (Note 21) −3.0dB
FR
−0.5dB
−0.1dB
-
0.62
-
1.81
-
3.99
DAC Digital Filter:
Passband
(Note 21) ±0.1dB
PB
0
−0.7dB
-
3.6
−6.0dB
-
4.0
Stopband
(Note 21)
SB
4.6
Passband Ripple
PR
Stopband Attenuation
SA
59
Group Delay
(Note 22)
GD
16.8
DAC Digital Filter + Analog Filter:
Frequency Response: 0 ∼ 3.4kHz
FR
±1.0
max
3.0
-
-
-
±0.1
-
-
-
3.6
-
-
±0.01
Units
kHz
kHz
kHz
kHz
kHz
dB
dB
1/fs
µs
Hz
Hz
Hz
kHz
kHz
kHz
dB
dB
1/fs
dB
Note 21. ֤ৼ෯ಛੑͷप೾਺͸ fs (γεςϜαϯϓϦϯάϨʔτ)ʹൺྫ͠·͢ɻ
ྫ͑͹ɺADCͷPB=3.6kHz (@-1.0dB)͸0.45 x fsͰ͢ɻ֤Ԡ౴͸1kHzΛج४ʹ͠·͢ɻ
Note 22. σΟδλϧϑΟϧλʹΑΔ஗ԆԋࢉͰɺADC෦͸Ξφϩά৴߸͕ೖྗ͞Ε͔ͯΒ16 Ϗοτσʔλ͕ग़ྗϨδε
λʹηοτ͞ΕΔ·Ͱͷ࣌ؒͰ͢ɻ
DAC෦͸16Ϗοτσʔλ͕ೖྗϨδελʹηοτ͞Ε͔ͯΒΞφϩά৴߸͕ग़ྗ͞ΕΔ·Ͱͷ࣌ؒͰ͢ɻ
DCಛੑ

(Ta = 25°C; AVDD, DVDD =2.6 ∼ 3.6V, SVDD =2.6 ∼ 5.25V)
Parameter
Symbol
min
typ
max
Units
High-Level Input Voltage
VIH 70%DVDD
-
-
V
Low-Level Input Voltage
VIL
-
-
30%DVDD V
High-Level Output Voltage
(Iout=−80µA)
VOH DVDD−0.4
-
-
V
Low-Level Output Voltage
(Iout= 80µA)
VOL
-
-
0.4
V
Input Leakage Current
Iin
-
-
±10
µA
MS0317-J-01
- 11 -
2004/11