[AK4685]
DC CHARACTERISTICS
(Ta=-20°C ~+85°C; TVDD=3.0 ~ 5.25V; DVDD1-3 = 4.75 ~ 5.25V, AVDD1-3=4.75 ~ 5.25V; PVDD=3.0∼3.6V)
Parameter
Symbol
min
typ
max
Units
High-Level Input Voltage
(XTI pin)
Low-Level Input Voltage
(XTI pin)
(Except XTI pin)
(Except XTI pin)
VIH
VIH
VIL
VIL
2.2
-
-
-
-
-
-
0.8
V
V
V
V
70%DVDD1
-
-
30%DVDD1
Input Voltage at AC Coupling (XTI pin) (Note 22)
VAC
40%DVDD1
-
-
Vpp
High-Level Output Voltage
(Iout=-400μA. Except XTO pin)
Low-Level Output Voltage
(Iout=400μA. Except XTO pin or SDA pin,
3mA(SDA pin))
VOH
TVDD-0.4
-
-
V
VOL
Iin
-
-
-
-
0.4
V
Input Leakage Current
±10
μA
Note 22. This is the value when a capacitor (0.1μF) is connected to the XTI pin.
SWITCHING CHARACTERISTICS
(Ta=-20°C ~+85°C; TVDD=3.0 ~ 5.25V; DVDD1-3=AVDD1-3=4.75 ~ 5.25V; PVDD=3.0∼3.6V; CL= 20pF (except for
SDA pin), Cb=400pF(SDA pin))
Parameter
Symbol
min
typ
max
Units
Master Clock Timing
Crystal Resonator
External Clock
Frequency
Frequency
Duty
Frequency
Duty
fXTAL
fECLK
dECLK
fMCK
11.2896
8.192
40
8.192
40
24.576
36.864
60
36.864
60
MHz
MHz
%
MHz
%
50
50
MCKO Output
dMCLK
Master Clock (Note 23)
256fsn, 128fsd:
Pulse Width Low
Pulse Width High
384fsn, 192fsd:
Pulse Width Low
Pulse Width High
512fsn, 256fsd, 128fsq:
Pulse Width Low
Pulse Width High
768fsn, 384fsd, 192fsq:
Pulse Width Low
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
8.192
27
27
12.288
20
20
16.384
15
15
24.576
10
10
12.288
18.432
24.576
36.864
MHz
ns
ns
MHz
ns
ns
MHz
ns
ns
MHz
ns
ns
Pulse Width High
LRCKA/B/C Timing (Slave Mode)
Normal Speed Mode
Double Speed Mode (LRCK A, LRCK C)
Quad Speed Mode (LRCK A, LRCK C)
Duty Cycle
fsn
fsd
fsq
32
64
120
45
48
96
192
55
kHz
kHz
kHz
%
Duty
LRCKB Timing (Master Mode)
LRCKB frequency
fs
Duty
32
48
kHz
%
Duty Cycle
50
MS1106-E-00
2009/08
- 13 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
