參數(shù)資料
型號: AK4541
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: AC’97 Rev 2.1 Multimedia Audio CODEC
中文描述: AC\u0026#39;97音效活2.1多媒體音頻編解碼器
文件頁數(shù): 6/31頁
文件大?。?/td> 383K
代理商: AK4541
[ASAHI KASEI]
[AK4541]
<M0047-E-01>
1999/01
- 6 -
Filter Characteristics
Ta=25
°
C,AVdd=DVdd=3.3V±5% or 5V±5% , fs=48KHz(fixed)
Parameter
ADC Digital Filter (Decimation LPF)
Passband (
±
0.2dB)
Stopband
Stopband Attenuation
Group Delay
ADC Digital Filter (HPF)
Frequency Response; -3dB
-0.5dB
-0.1dB
DAC Digital Filter
Passband (
±
0.2dB)
Stopband
Group Delay
Stopband Rejection
DAC Post filter
Passband Frequency Response (0 - 19.2kHz)
min
typ
Max
Units
0
19.2
kHz
kHz
dB
ms
28.8
70
0.5
7.5
21
49
Hz
0
19.2
kHz
kHz
ms
dB
28.8
0.5
70
±
0.1
dB
AK4541 DC Characteristics
Ta=-10
70
°
C, VD= VA=3.3V
±
5%, 50pF external load
Parameter
H level input voltage
XTAL_IN
RESET#, SYNC, SDATA_OUT, BIT_CLK
ID0#, ID1#, SEL_CMOS(Pull up)
L level input voltage
XTAL_IN
RESET#, SYNC, SDATA_OUT, BIT_CLK
ID0#, ID1#, SEL_CMOS(Pull up)
H level output voltage Iout= -1mA
L level output voltage Iout= 1mA
Input leakage current(exclude pull up pins)
Pull up resistance
Symbol
VIH
min
typ
-
Max
-
Units
0.7xVD
0.7xVD
0.8xVD
-
V
V
V
VIL
-
0.3xVD
0.3xVD
0.2xVD
-
0.5
±
10
200
V
V
V
V
V
μ
A
k
VOH
VOL
Iin
Rup
VD-0.5
-
-
50
-
-
-
100
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