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AK5730VQ_17 Datasheet, PDF (10/50 Pages) Asahi Kasei Microsystems – 4-Channel Differential Audio ADC for Line & Mic Inputs | |||
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[AK5730]
ãã£ã«ã¿ç¹æ§
(Ta=25ï°C; AVDD=DVDD=3.0ï¾3.6V; VSS1=VSS2 =0V; fs=48kHz)
Parameter
Symbol
min
typ
max
Unit
ADC Digital Filter (Decimation LPF):
Passband
(Note 13)
20H
ï±0.13dB
PB
0
-
18.0
kHz
-0.2dB
-
19.4
-
kHz
-3.0dB
-
22.8
-
kHz
Stopband
SB
28
-
-
kHz
Passband Ripple
PR
-
-
ï±0.04
dB
Stopband Attenuation
SA
68
-
-
dB
Group Delay
(Note 14)
21H
GD
-
16.4
-
1/fs
Group Delay Distortion
ïGD
-
0
-
ïs
ADC Digital Filter (HPF):
Frequency Response
(Note 13) -3dB
2H
FR
-
1.0
-
Hz
-0.1dB
-
7.1
-
Hz
Note 13. åæ¯å¹
ç¹æ§ã®å¨æ³¢æ°ã¯ fs (ã·ã¹ãã ãµã³ããªã³ã°ã¬ã¼ã)ã«æ¯ä¾ãã¾ãã
ä¾ãã°ã19.4kHz (@-0.2dB)=0.404 ï´fsã§ãã
Note 14. ãã£ã¸ã¿ã«ãã£ã«ã¿ã«ããæ¼ç®é
延ã§ãADCé¨ã¯ã¢ããã°ä¿¡å·ãå
¥åããã¦ãã両ãã£ãã«ã®24bit
ãã¼ã¿ãåºåã¬ã¸ã¹ã¿ã«ã»ãããããã¾ã§ã®æéã§ãã
DCç¹æ§
(Ta=-40~+105ï°C; AVDD=DVDD=3.0ï¾3.6V; VSS1=VSS2 =0V)
Parameter
Symbol
min
typ
max
Unit
High-Level Input Voltage
VIH 70%DVDD
-
-
V
Low-Level Input Voltage
VIL
-
-
30%DVDD V
High-Level Output Voltage ( Iout=-400ïA)
VOH DVDD-0.4
-
Low-Level Output Voltage
VOL
-
-
(Iout= 400ïA(except SDA, INT pin),
3mA(SDA, INT pin))
-
V
0.4
V
Input Leakage Current
Iin
-
-
ï±10
ïA
(Ta=25ï°C; AVDD=DVDD=3.3V; VSS1=VSS2 =0V)
Power Supplies
Parameter
min
typ
max Unit
Power Supply Current
Normal Operation (PDN pin = âHâ)
DVDD (Microphone Current=40mA)
-
183
225
mA
DVDD (Microphone Current=100ïA)
-
22
36
mA
AVDD
-
9
13.5
mA
Power-Down Mode (PDN pin = âLâ; Note 15)
DVDD
-
3
20
ïA
AVDD
-
0
20
ïA
Note 15. ã¯ããã¯ãã³ãå«ããå
¨ã¦ã®ãã£ã¸ã¿ã«å
¥å (MCLKI, BICK, LRCK, TDMI) ãDVDDã¾ãã¯VSSã«åºå®ããå ´
åã®å¤ã§ãã
MS1577-J-03
- 10 -
2015/11
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