參數(shù)資料
型號: AK4545VQ
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: AC97 AUDIO CODEC WITH SRC AND DIT
中文描述: AC97聲音解碼器與SRC和DIT
文件頁數(shù): 6/33頁
文件大?。?/td> 363K
代理商: AK4545VQ
[ASAHI KASEI] [AK4545]
MS0058-E-00
2000/11
- 6 -
Parameter
Power Supplies
Analog Power Supply Current(AVdd1 & AVdd2)
All ON mode(all PR_bits are 0)
Cold Reset status(Reset#=L, Vref is ON)
All OFF mode(all PR_bits are 1)
Digital Power Supply Current(DVdd1 & DVdd2)
All ON mode(all PR_bits are 0) at DVDD=3.3V
All OFF mode(all PR_bits are 1)
min
typ
max
Units
38
3.7
0
57
8
0.2
mA
mA
mA
6.9
0
11
0.4
mA
mA
Filter Characteristics
Ta=25
°
C,AVdd=5.0V±5%,DVdd=3.3V±5% , fs=48KHz(fixed)
Parameter
ADC Digital Filter (Decimation LPF)
Passband (±0.2dB) Note)
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)
Note) This frequency scales with the sampling frequency (fs).
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
AK4545 DC Characteristics
Ta=-10
70
°
C, VD= 3.3V±5%, VA=5V±5%, 50pF external load
Parameter
H level input voltage
(XTAL_IN)
L level input voltage
(XTAL_IN)
H level input voltage
(RESET#, SYNC, SDATA_OUT)
L level input voltage
( RESET#, SYNC, SDATA_OUT)
H level output voltage Iout= -1mA
L level output voltage Iout= 1mA
Input leakage current(exclude pull up pins)
Symbol
VIH
VIH
VIL
VIL
VIH
min
0.7xVD
0.8xVD
-
typ
-
Max
-
Units
V
V
V
V
V
C-coupled
direct
C-coupled
direct
-
0.3xVD
0.2xVD
-
0.7xVD
-
VIL
-
-
0.3xVD
V
VOH
VOL
Iin
VD-0.55
-
-
-
-
-
-
V
V
μ
A
0.55
±
10
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