ak4671 AKM Semiconductor, Inc., ak4671 Datasheet - Page 18

• Manufacturer Part Number: ak4671
• Description: Stereo Codec With Mic/rcv/hp-amp
• Manufacturer: AKM Semiconductor, Inc.

(Ta=25°C; AVDD=PVDD =SAVDD=2.2 ∼ 3.6V; DVDD=TVDD2 =TVDD3=1.6 ∼ 3.6V; C
400pF (SDA pin); unless otherwise specified)
Parameter
PLL Master Mode (PLL Reference Clock = MCKI pin)
PLL Slave Mode (PLL Reference Clock = MCKI pin)
MS0666-E-00
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
DSP Mode: Pulse Width High
Except DSP Mode: Duty Cycle
Period
Duty Cycle
Frequency
Pulse Width Low
Pulse Width High
Frequency
Duty Cycle
Frequency
DSP Mode: Pulse Width High
Except DSP Mode: Duty Cycle
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
tLRCKH
tLRCKH
Symbol
tCLKH
tCLKH
tBCKH
tCLKL
tCLKL
tBCKL
dMCK
dMCK
dMCK
dMCK
fMCK
fMCK
dBCK
fCLK
tBCK
tBCK
fCLK
tBCK
Duty
Duty
- 18 -
fs
fs
0.4 x tBCK
0.4 x tBCK
tBCK−60
0.4/fCLK
0.4/fCLK
0.4/fCLK
0.4/fCLK
11.2896
11.2896
1/(64fs)
0.256
0.256
min
40
40
45
8
8
-
-
-
-
-
-
-
1/(32fs)
1/(64fs)
tBCK
typ
50
33
50
50
50
33
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
L
=20pF (except SDA pin) or
1/fs − tBCK
1/(32fs)
12.288
12.288
max
27
60
48
27
60
48
55
-
-
-
-
-
-
-
-
-
-
-
-
-
[AK4671]
2007/10
Units
MHz
MHz
MHz
MHz
kHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
%
%
%
%
%
%