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AK4647VN Datasheet(PDF) 11 Page - Asahi Kasei Microsystems

Part # AK4647VN
Description  Stereo CODEC with MIC/HP-AMP
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Manufacturer  AKM [Asahi Kasei Microsystems]
Direct Link  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AK4647VN Datasheet(HTML) 11 Page - Asahi Kasei Microsystems

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ASAHI KASEI
[AK4647]
MS0566-E-00
2006/11
- 11 -
DC CHARACTERISTICS
(Ta=25
°C; AVDD, DVDD=2.6 ∼ 3.6V; HVDD=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=
−200μA)
VOH
DVDD
−0.2
-
-
V
Low-Level Output Voltage
(Except SDA pin: Iout=200
μA)
VOL
-
-
0.2
V
(SDA pin: Iout=3mA)
VOL
-
-
0.4
V
Input Leakage Current
Iin
-
-
±10
μA
SWITCHING CHARACTERISTICS
(Ta=25
°C; AVDD, DVDD=2.6 ∼ 3.6V; HVDD=2.6 ∼ 5.25V; C
L=20pF; unless otherwise specified)
Parameter
Symbol
min
typ
max
Units
PLL Master Mode (PLL Reference Clock = MCKI pin)
MCKI Input Timing
Frequency
fCLK
11.2896
-
27
MHz
Pulse Width Low
tCLKL
0.4/fCLK
-
-
ns
Pulse Width High
tCLKH
0.4/fCLK
-
-
ns
MCKO Output Timing
Frequency
fMCK
0.2352
-
12.288
MHz
Duty Cycle
Except 256fs at fs=32kHz, 29.4kHz
dMCK
40
50
60
%
256fs at fs=32kHz, 29.4kHz
dMCK
-
33
-
%
LRCK Output Timing
Frequency
fs
7.35
-
48
kHz
Duty Cycle
Duty
-
50
-
%
BICK Output Timing
Period
BCKO bit = “0”
tBCK
-
1/(32fs)
-
ns
BCKO bit = “1”
tBCK
-
1/(64fs)
-
ns
Duty Cycle
dBCK
-
50
-
%
PLL Slave Mode (PLL Reference Clock = MCKI pin)
MCKI Input Timing
Frequency
fCLK
11.2896
-
27
MHz
Pulse Width Low
tCLKL
0.4/fCLK
-
-
ns
Pulse Width High
tCLKH
0.4/fCLK
-
-
ns
MCKO Output Timing
Frequency
fMCK
0.2352
-
12.288
MHz
Duty Cycle
Except 256fs at fs=32kHz, 29.4kHz
dMCK
40
50
60
%
256fs at fs=32kHz, 29.4kHz
dMCK
-
33
-
%
LRCK Input Timing
Frequency
fs
7.35
-
48
kHz
Duty
Duty
45
-
55
%
BICK Input Timing
Period
tBCK
1/(64fs)
-
1/(32fs)
ns
Pulse Width Low
tBCKL
0.4 x tBCK
-
-
ns
Pulse Width High
tBCKH
0.4 x tBCK
-
-
ns


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