ak4648 AKM Semiconductor, Inc., ak4648 Datasheet - Page 21

• Manufacturer Part Number: ak4648
• Description: Stereo Codec With Mic/hp/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

(Ta=25°C; AVDD, DVDD=2.6 ∼ 3.6V; TVDD=1.6 ∼ 3.6V; HVDD=2.6 ∼ 5.0V)
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; TVDD=1.6 ∼ 3.6V; HVDD=2.6 ∼ 5.0V; C
Parameter
PLL Master Mode (PLL Reference Clock = MCKI pin)
PLL Slave Mode (PLL Reference Clock = MCKI pin)
MS0625-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
(SDA pin, 1.6V≤TVDD<2.0V: Iout=3mA)
(SDA pin, 2.0V≤TVDD≤3.6V: Iout=3mA)
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”
2.2V≤TVDD≤3.6V
1.6V≤TVDD<2.2V
2.2V≤TVDD≤3.6V
1.6V≤TVDD<2.2V
(Iout=−200μA)
SWITCHING CHARACTERISTICS
DC CHARACTERISTICS
tLRCKH
tLRCKH
Symbol
tBCKH
tCLKH
tCLKH
tBCKL
tCLKL
tCLKL
dMCK
dMCK
dMCK
dMCK
fMCK
fMCK
dBCK
fCLK
tBCK
tBCK
fCLK
tBCK
Duty
Duty
Symbol
- 21 -
VOH
VOL
VOL
VOL
fs
fs
VIH
VIH
VIL
VIL
Iin
0.4 x tBCK
0.4 x tBCK
0.4/fCLK
0.4/fCLK
0.4/fCLK
0.4/fCLK
tBCK−60
70%TVDD
80%TVDD
TVDD−0.2
11.2896
11.2896
1/(64fs)
0.2352
0.2352
7.35
7.35
min
40
40
45
min
-
-
-
-
-
-
-
-
-
-
-
-
-
L
1/(32fs)
1/(64fs)
=20pF; unless otherwise specified)
tBCK
typ
50
33
50
50
50
33
typ
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1/fs − tBCK
30%TVDD
20%TVDD
20%TVDD
1/(32fs)
12.288
12.288
max
max
±10
0.2
0.4
27
60
48
27
60
48
55
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
[AK4648]
2007/06
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
V
V
V
%
%