ak4646 AKM Semiconductor, Inc., ak4646 Datasheet - Page 13

• Manufacturer Part Number: ak4646
• Description: Stereo Codec With Mic/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

MS0557-E-02
Parameter
PLL Slave Mode (PLL Reference Clock = LRCK pin)
PLL Slave Mode (PLL Reference Clock = BICK pin)
External Slave Mode
External Master Mode
LRCK Input Timing
BICK Input Timing
LRCK Input Timing
BICK Input Timing
MCKI Input Timing
LRCK Input Timing
BICK Input Timing
MCKI Input Timing
LRCK Output Timing
BICK Input Timing
Frequency
Duty
Period
Pulse Width Low
Pulse Width High
Frequency
Duty
Period
Pulse Width Low
Pulse Width High
Frequency
Pulse Width Low
Pulse Width High
Frequency
Duty
Period
Pulse Width Low
Pulse Width High
Frequency
Pulse Width Low
Pulse Width High
Frequency
Duty Cycle
Period
Duty Cycle
PLL3-0 bits = “0010”
PLL3-0 bits = “0011”
512fs
1024fs
512fs
1024fs
512fs
1024fs
256fs
256fs
256fs
BCKO bit = “0”
BCKO bit = “1”
Symbol
tBCKH
tBCKH
tCLKH
tBCKH
tCLKH
tBCKL
tBCKL
tCLKL
tBCKL
tCLKL
dBCK
tBCK
tBCK
tBCK
fCLK
fCLK
fCLK
tBCK
fCLK
fCLK
fCLK
tBCK
tBCK
Duty
Duty
Duty
Duty
- 13 -
fs
fs
fs
fs
fs
fs
0.4 x tBCK
0.4 x tBCK
0.4/fCLK
0.4/fCLK
0.4/fCLK
0.4/fCLK
1/(64fs)
3.7632
7.5264
3.7632
7.5264
1.8816
1.8816
312.5
min
7.35
7.35
7.35
7.35
7.35
7.35
240
240
130
130
45
45
45
-
-
-
-
-
-
1/(32fs)
1/(64fs)
1/(32fs)
1/(64fs)
typ
50
50
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1/(32fs)
12.288
13.312
13.312
12.288
13.312
13.312
max
55
55
55
48
48
48
26
13
48
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
[AK4646]
2007/05
Units
MHz
MHz
MHz
MHz
MHz
MHz
kHz
kHz
kHz
kHz
kHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
%
%
%
%