參數(shù)資料
型號: AK4533
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Audio Codec with Touch Screen Controller
中文描述: 音頻編解碼器與觸摸屏控制器
文件頁數(shù): 9/40頁
文件大?。?/td> 473K
代理商: AK4533
[ASAHI KASEI]
<Revision 0.9a>
July 00
8
F IL TE R CHARACTE RISTICS
Ta=25
°
C,AVdd=DVdd=3.0V, Signal=1kHz, fs=44.1kHz
Parameter
ADC Digital Filter (LPF)
Pass band
Symbol
min
Typ
max
Units
r
0.2dB
PB
0
17.64
2795.94
kHz
kHz
dB
1/fs
Stop band
Stop band Attenuation
Absolute Delay
(Note 1)
ADC Digital Filter (HPF)
Frequency Response
-3dB
-0.5dB
-0.1dB
DAC Digital Filter
Pass band
SB
SA
26.46
70
16.1
FR
6.89
19.3
45.0
Hz
Hz
Hz
r
0.2dB
PB
0
17.64
kHz
Stop band
SB
26.46
326.34
kHz
Stop band Attenuation
SA
70
dB
1/fs
Absolute Delay (No te 1)
DAC Digital Filter + Analog Filter
Frequency Response 0
17.64kHz
Note 1: Absolute delay time caused by digital filter only (not including analog delta sigma, digital delta sigma, and
analog post filter.)
ADC DF: to the LRCK rising edge before data is output.
DAC DF: from the next LRCK rising edge after both channel data is set.
14.8
FR
±
1.0
dB
DC CHARACTE RISTICS (L ogic I/O)
Ta=25
°
C,VA=VD=3.0V
Parameter
“H” level input voltage
Symbol
VIH
min
Typ
-
max
Units
0.7xVD
V
“L” level input voltage
VIL
-
0.3xVD
V
V
V
“H” level output voltage (@ Iout = -400uA)
“L” level output voltage (@ Iout= 400uA)
VOH
VOL
VD-0.4
-
-
-
0.4
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