AK4646EN AKM [Asahi Kasei Microsystems], AK4646EN Datasheet - Page 12

• Manufacturer Part Number: AK4646EN
• Description: Stereo CODEC with MIC/SPK-AMP
• Manufacturer: AKM [Asahi Kasei Microsystems]

(Ta = 25°C; AVDD =2.2 ∼ 3.6V, DVDD =1.6 ∼ 3.6V, SVDD =2.2 ∼ 4.0V; C
MS0557-E-02
Parameter
PLL Master Mode (PLL Reference Clock = MCKI pin)
PLL Slave Mode (PLL Reference Clock = MCKI pin)
MCKI Input Timing
MCKO Output Timing
LRCK Output Timing
BICK Output Timing
MCKI Input Timing
MCKO Output Timing
LRCK Input Timing
BICK Input Timing
Frequency
Pulse Width Low
Pulse Width High
Frequency
Duty Cycle
Frequency
Duty Cycle
Period
Duty Cycle
Frequency
Pulse Width Low
Pulse Width High
Frequency
Duty Cycle
Frequency
Duty
Period
Pulse Width Low
Pulse Width High
Except 256fs at fs=32kHz, 29.4kHz
256fs at fs=32kHz, 29.4kHz
Except 256fs at fs=32kHz, 29.4kHz
256fs at fs=32kHz, 29.4kHz
BCKO bit = “0”
BCKO bit = “1”
SWITCHING CHARACTERISTICS
Symbol
tCLKH
tCLKH
tBCKH
tCLKL
tCLKL
tBCKL
dMCK
dMCK
dMCK
dMCK
fMCK
dBCK
fMCK
fCLK
tBCK
tBCK
fCLK
tBCK
Duty
Duty
- 12 -
fs
fs
0.4 x tBCK
0.4 x tBCK
0.4/fCLK
0.4/fCLK
0.4/fCLK
0.4/fCLK
1/(64fs)
0.2352
0.2352
min
7.35
7.35
40
40
45
12
12
-
-
-
-
-
-
L
=20pF)
1/(32fs)
1/(64fs)
typ
33
33
50
50
50
50
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1/(32fs)
12.288
12.288
max
60
60
55
27
48
27
48
-
-
-
-
-
-
-
-
-
-
-
-
[AK4646]
2007/05
Units
MHz
MHz
MHz
MHz
kHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
%
%
%
%
%
%