ak4640 ETC-unknow, ak4640 Datasheet - Page 15

• Manufacturer Part Number: ak4640
• Description: 16bit Codec With /hp/spk-ampl
• Manufacturer: ETC-unknow

ASAHI KASEI
(Ta=−10 ∼ 70°C; AVDD, DVDD, PVDD, HVDD=2.4 ∼ 3.6V)
Parameter
High-Level Input Voltage
Low-Level Input Voltage
Input Voltage at AC Coupling
High-Level Output Voltage
Low-Level Output Voltage
Input Leakage Current
Note 23. The external clock is input to MCKI pin via AC coupled capacitor.
(Ta=−10 ∼ 70°C; AVDD, DVDD, PVDD, HVDD=2.4 ∼ 3.6V; C
Parameter
Master Clock Timing
MCKO Output
LRCK Timing
Audio Interface Timing
Note 24. Pulse width to ground level when MCKI is connected to a capacitor in series and a resistor is connected to
Note 25. PMPLL bit = “1”.
Note 26. BICK rising edge must not occur at the same time as LRCK edge.
MS0273-E-00
Crystal Resonator
External Clock
Frequency
Duty Cycle:
Frequency
Duty Cycle
Slave mode
BICK Period
BICK Pulse Width Low
LRCK Edge to BICK “↑”
BICK “↑” to LRCK Edge
LRCK to SDTO (MSB) (Except I
BICK “↓” to SDTO
SDTI Hold Time
SDTI Setup Time
Master mode
BICK Frequency
BICK Duty
BICK “↓” to LRCK
BICK “↓” to SDTO
SDTI Hold Time
SDTI Setup Time
ground (Refer to Figure 4).
Pulse Width High
except fs=32kHz
fs=32kHz at 256fs (Note 25)
(Except SDA pin: Iout=200µA)
Frequency
Frequency
Pulse Width Low
Pulse Width High
AC Pulse Width (Note 24)
Slave mode
Master mode
(SDA pin: Iout=3mA)
(BF bit = “0”)
(BF bit = “1”)
(Note 26)
(Note 26)
2
(Iout=−200µA)
S mode)
SWITCHING CHARACTERISTICS
(Note 23)
DC CHARACTERISTICS
Symbol
tCLKH
tBCKH
tMBLR
tCLKL
tBCKL
dMCK
dMCK
tACW
fMCK
dBCK
fBCK
fBCK
fCLK
tBCK
tSDH
tSDH
tLRB
tBLR
tBSD
tSDS
tBSD
tSDS
Duty
tLRS
Duty
Symbol
- 15 -
fs
VOH
VAC
VOL
VOL
VIH
VIL
Iin
L
=20pF)
0.4/fCLK
0.4/fCLK
0.4/fCLK
70%DVDD
50%DVDD
DVDD−0.2
11.2896
2.048
0.256
312.5
min
130
130
−80
−80
40
45
50
50
50
50
50
50
8
-
-
-
-
-
-
-
min
-
-
-
-
64fs
32fs
typ
50
33
50
50
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
typ
-
-
-
-
-
-
-
30%DVDD
12.288
12.288
12.288
max
60
48
55
80
80
80
80
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Max
±10
0.2
0.4
-
-
-
[AK4640]
Units
2004/03
MHz
MHz
MHz
kHz
Hz
Hz
Units
ns
ns
ns
ns
%
%
%
%
ns
ns
ns
ns
ns
ns
ns
ns
%
ns
ns
ns
ns
µA
V
V
V
V
V
V