參數(shù)資料
型號(hào): AK4544A
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: AC97 MULTIMEDIA AUDIO CODEC WITH SRC
中文描述: AC97多媒體音頻編解碼器與SRC
文件頁(yè)數(shù): 6/35頁(yè)
文件大?。?/td> 381K
代理商: AK4544A
[ASAHI KASEI] [AK4544A]
<MS0026-E-00> - 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=5V
All ON mode(all PR_bits are 0) at DVDD=3.3V
All OFF mode(all PR_bits are 1)
min
typ
max
Units
41
4.1
0
62
8
0.2
mA
mA
mA
13.5
7.5
0
21
11
0.4
mA
mA
mA
F ilter 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
AK 4544A DC Characteristics
Ta=-10
70
°
C, VD=5V±5%(SEL_CMOS=L) or 3.3V±5%(SEL_CMOS=H: Open), VA=5V±5%, 50pF external load
Parameter
Symbol
“H” level input voltage
XTAL_IN
RESET#, SYNC, SDATA_OUT, BIT_CLK
At SEL_CMOS=L(GND) : TTL
At SEL_CMOS=H(Open) : CMOS
ID0#, ID1#, SEL_CMOS(Pull up)
“L” level input voltage
XTAL_IN
RESET#, SYNC, SDATA_OUT, BIT_CLK
At SEL_CMOS=L(GND) : TTL
At SEL_CMOS=H(Open) : CMOS
ID0#, ID1#, SEL_CMOS(Pull up)
“H” level output voltage Iout= -1mA
VOH
“L” level output voltage Iout= 1mA
VOL
Input leakage current(exclude pull up pins)
Pull up resistance
Rup
min
typ
-
Max
-
Units
VIH
0.7xVD
2.2
0.7xVD
0.8xVD
-
V
V
V
V
VIL
-
0.3xVD
0.8
0.3xVD
0.2xVD
-
0.55
±
10
200
V
V
V
V
V
V
μ
A
k
VD-0.55
-
-
50
-
-
-
Iin
100
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