參數(shù)資料
型號(hào): AK4641VN
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16 BIT CODEC WITH BLUETOOTH INTERFACE
中文描述: 16位編解碼器與藍(lán)牙接口
文件頁數(shù): 2/51頁
文件大?。?/td> 461K
代理商: AK4641VN
ASAHI KASEI
[AK4641]
MS0301-E-00
2004/05
- 10 -
DC CHARACTERISTICS
(Ta=
10 70°C; AVDD, DVDD, BVDD=2.6 3.6V)
Parameter
Symbol
min
typ
Max
Units
High-Level Input Voltage
VIH
70%DVDD
-
V
Low-Level Input Voltage
VIL
-
30%DVDD
V
Input Voltage at AC Coupling
(Note 18)
VAC
50%DVDD
-
V
High-Level Output Voltage
(Iout=
200A)
VOH
DVDD
0.2
-
V
Low-Level Output Voltage
(Except SDA pin: Iout=200
A)
VOL
-
0.2
V
(SDA pin: Iout=3mA)
VOL
-
0.4
V
Input Leakage Current
Iin
-
±10
A
Note 18. The external clock is input to MCLK pin via AC coupled capacitor.
SWITCHING CHARACTERISTICS
(Ta=
10 70°C; AVDD, DVDD, BVDD=2.6 3.6V; C
L=20pF)
Parameter
Symbol
min
typ
max
Units
16bit Stereo CODEC Interface Timing:
Master Clock Timing (MCLK pin)
Frequency
fCLK
1.792
-
12.288
MHz
Pulse Width Low
tCLKL
0.4/fCLK
-
ns
Pulse Width High
tCLKH
0.4/fCLK
-
ns
AC Pulse Width (Note 19)
tACW
0.4/fCLK
-
ns
LRCK Timing
Frequency
fs
7
-
48
kHz
Duty Cycle
Duty
45
-
55
%
Audio Interface Timing
BICK Period
tBCK
312.5
-
ns
BICK Pulse Width Low
tBCKL
130
-
ns
Pulse Width High
tBCKH
130
-
ns
LRCK Edge to BICK “
↑” (Note 20)
tLRB
50
-
ns
BICK “
↑” to LRCK Edge (Note 20)
tBLR
50
-
ns
LRCK to SDTO (MSB) (Except I
2S mode)
tLRS
-
80
ns
BICK “
↓” to SDTO
tBSD
-
80
ns
SDTI Hold Time
tSDH
50
-
ns
SDTI Setup Time
tSDS
50
-
ns
Note 19. Refer to Figure 3.
Note 20. BICK rising edge must not occur at the same time as LRCK edge.
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