ak4644 AKM Semiconductor, Inc., ak4644 Datasheet - Page 12

• Manufacturer Part Number: ak4644
• Description: Stereo Codec With Mic/hp/rcv-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)
MS0477-E-01
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
(Except SDA pin: Iout=200µA)
BCKO bit = “0”
BCKO bit = “1”
(SDA pin: Iout=3mA)
(Iout=−200µA)
SWITCHING CHARACTERISTICS
DC CHARACTERISTICS
tLRCKH
tLRCKH
Symbol
tBCKH
tCLKL
tCLKH
tCLKL
tCLKH
tBCKL
dMCK
dMCK
dMCK
dMCK
fMCK
dBCK
fMCK
fCLK
tBCK
tBCK
fCLK
tBCK
Duty
Duty
Symbol
- 12 -
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
tBCK−60
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)
tBCK
typ
50
33
50
50
50
33
typ
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1/fs − tBCK
30%DVDD
1/(32fs)
12.288
12.288
max
max
±10
0.2
0.4
27
60
48
27
60
48
55
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
[AK4644]
2006/10
Units
Units
MHz
MHz
MHz
MHz
kHz
kHz
µA
ns
ns
%
%
ns
%
ns
ns
%
ns
ns
%
%
ns
%
ns
ns
ns
V
V
V
V
V