ak4647 AKM Semiconductor, Inc., ak4647 Datasheet - Page 11

• Manufacturer Part Number: ak4647
• Description: Stereo Codec With Mic/hp-amp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
(Ta=25°C; AVDD, DVDD=2.6 ∼ 3.6V; HVDD=2.6 ∼ 5.25V)
Parameter
High-Level Input Voltage
Low-Level Input Voltage
High-Level Output Voltage
Low-Level Output Voltage
Input Leakage Current
(Ta=25°C; AVDD, DVDD=2.6 ∼ 3.6V; HVDD=2.6 ∼ 5.25V; C
Parameter
PLL Master Mode (PLL Reference Clock = MCKI pin)
PLL Slave Mode (PLL Reference Clock = MCKI pin)
MS0566-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
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
(Except SDA pin: Iout=200μA)
BCKO bit = “0”
BCKO bit = “1”
(SDA pin: Iout=3mA)
(Iout=−200μA)
SWITCHING CHARACTERISTICS
DC CHARACTERISTICS
Symbol
tCLKH
tCLKH
tBCKH
tCLKL
tCLKL
tBCKL
dMCK
dMCK
dMCK
dMCK
fMCK
dBCK
fMCK
fCLK
tBCK
tBCK
fCLK
tBCK
Duty
Duty
Symbol
- 11 -
fs
fs
VOH
VOL
VOL
VIH
VIL
Iin
L
=20pF; unless otherwise specified)
0.4 x tBCK
0.4 x tBCK
0.4/fCLK
0.4/fCLK
0.4/fCLK
0.4/fCLK
70%DVDD
DVDD−0.2
11.2896
11.2896
1/(64fs)
0.2352
0.2352
7.35
7.35
min
40
40
45
-
-
-
-
-
-
min
-
-
-
-
1/(32fs)
1/(64fs)
typ
33
33
50
50
50
50
typ
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
30%DVDD
1/(32fs)
12.288
12.288
Max
max
±10
0.2
0.4
27
60
48
27
60
48
55
-
-
-
-
-
-
-
-
-
-
-
-
-
-
[AK4647]
2006/11
Units
Units
MHz
MHz
MHz
MHz
kHz
kHz
μA
ns
ns
%
%
%
ns
ns
%
ns
ns
%
%
%
ns
ns
ns
V
V
V
V
V