參數(shù)資料
型號: AK4538
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16Bit DS CODEC with MIC/HP/SPK-AMP
中文描述: 16位副編解碼器麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷
文件頁數(shù): 11/70頁
文件大?。?/td> 485K
代理商: AK4538
ASAHI KASEI
[AK4538]
MS0198-E-01
2003/5
- 11 -
DC CHARACTERISTICS
(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 (Note 25)
High-Level Output Voltage (Iout=
200
μ
A)
Low-Level Output Voltage
(Except SDA pin: Iout=200
μ
A)
( SDA pin: Iout= 3mA)
Input Leakage Current
Note 25. When AC coupled capacitor is connected to MCKI pin.
Symbol
VIH
VIL
VAC
VOH
VOL
VOL
Iin
min
typ
-
-
-
-
-
-
-
Max
-
Units
V
V
V
V
V
V
μ
A
70%DVDD
-
50%DVDD
DVDD
0.2
-
-
-
30%DVDD
-
-
0.2
0.4
±
10
SWITCHING CHARACTERISTICS
(Ta=
10
70
°
C; AVDD, DVDD, PVDD, HVDD=2.4
3.6V; C
L
=20pF)
Parameter
Master Clock Timing
Crystal Resonator
Frequency
External Clock
AC Pulse Width (Note 26)
MCKO Output
fs=32kHz at 256fs (Note 27)
LRCK Frequency
Frequency
Duty Cycle
Master mode
Audio Interface Timing
Slave mode
BICK Period
BICK Pulse Width Low
Pulse Width High
LRCK Edge to BICK “
” (Note 28)
BICK “
” to LRCK Edge (Note 28)
LRCK to SDTO (MSB) (Except I
2
S mode)
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
Note 26. Pulse width to ground level when MCKI is connected to a capacitor in series and a resistor is connected to ground.
(Refer to Figure 4)
Note 27. PMPLL bit = “1”.
Note 28. BICK rising edge must not occur at the same time as LRCK edge.
Symbol
fCLK
tCLKL
tCLKH
tACW
fMCK
dMCK
dMCK
fs
Duty
Duty
tBCK
tBCKL
tBCKH
tLRB
tBLR
tLRS
tBSD
tSDH
tSDS
fBCK
dBCK
tMBLR
tBSD
tSDH
tSDS
min
11.2896
1.792
0.4/fCLK
0.4/fCLK
0.4/fCLK
0.224
40
7
45
312.5
130
130
50
50
50
50
80
80
50
50
typ
-
-
50
33
50
64fs
50
max
12.288
12.288
12.288
60
48
55
80
80
80
80
Units
MHz
MHz
ns
ns
ns
MHz
%
%
kHz
%
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
Hz
%
ns
ns
ns
ns
Frequency
Pulse Width Low
Pulse Width High
Frequency
Duty Cycle : except fs=32kHz
Slave mode
相關(guān)PDF資料
PDF描述
AK4538VN 16Bit DS CODEC with MIC/HP/SPK-AMP
AK4541VQ AC’97 Rev 2.1 Multimedia Audio CODEC
AK4541 AC’97 Rev 2.1 Multimedia Audio CODEC
AK4543 AC’97 Rev 2.1 Multimedia Audio CODEC
AK4543VQ AC’97 Rev 2.1 Multimedia Audio CODEC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4538VN 制造商:AKM 制造商全稱:AKM 功能描述:16Bit DS CODEC with MIC/HP/SPK-AMP
AK4541 制造商:AKM 制造商全稱:AKM 功能描述:AC’97 Rev 2.1 Multimedia Audio CODEC
AK4541VQ 制造商:AKM 制造商全稱:AKM 功能描述:AC’97 Rev 2.1 Multimedia Audio CODEC
AK4543 制造商:AKM 制造商全稱:AKM 功能描述:AC’97 Rev 2.1 Multimedia Audio CODEC
AK4543VQ 制造商:AKM 制造商全稱:AKM 功能描述:AC’97 Rev 2.1 Multimedia Audio CODEC