參數(shù)資料
型號(hào)： AK4561
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： Codec
英文描述： 16bit CODEC with built-in ALC and MIC/HP-Amp
中文描述： 16位編解碼器在ALC和內(nèi)置麥克風(fēng)/惠普放大器
文件頁(yè)數(shù)： 10/48頁(yè)
文件大?。?/td> 332K
代理商： AK4561
ASAHI KASEI
AKM CONFIDENTIAL
[AK4561]
Rev. 0.9
2000/09
- 10 -
FILTER CHARACTERISTICS
(Ta=25
°
C; VA=VD=2.6
～
3.3V; fs=48kHz; De-emphasis = OFF)
Parameter
ADC Digital Filter (LPF):
Passband (Note 25)
Symbol
min
typ
max
Units
±
0.1dB
-1.0dB
-3.0dB
PB
0
-
-
21.8
23.0
18.9
-
-
kHz
kHz
kHz
kHz
dB
dB
1/fs
us
Stopband (Note 25)
Passband Ripple
Stopband Attenuation
Group Delay (Note 26)
Group Delay Distortion
ADC Digital Filter (HPF):
Frequency Response (Note 25)
SB
PR
SA
GD
GD
29.4
±
0.1
65
-
17.0
0
-
-3.0dB
-0.56dB
-0.15dB
FR
-
-
-
3.7
10
20
-
-
-
Hz
Hz
Hz
DAC Digital Filter:
Passband (Note 25)
±
0.1dB
-6.0dB
PB
0
-
24.0
21.7
-
kHz
kHz
kHz
dB
dB
1/fs
Stopband (Note 25)
Passband Ripple
Stopband Attenuation
Group Delay (Note 26)
DAC Digital Filter + Analog Filter:
Frequency Response 0
～
20.0kHz
Note 25. The passband and stopband frequencies scale with fs (system sampling rate).
For example, ADC is PB=0.454*fs (@-1.0dB), DAC is PB=0.454*fs (@-0.1dB).
Note 26. The calculating delay time which occured by digital filtering, This time is from the input of analog signal to
setting the 16 bit data of both channels on input register to the output register of ADC. And this time include
group delay of HPF. For DAC, this time is from setting the 16 bit data of both channels on input register to the
output of analog signal.
SB
PR
SA
GD
26.2
±
0.06
43
-
14.8
-
FR
±
0.5
dB
相關(guān)PDF資料
PDF描述
AK4561VQ 16bit CODEC with built-in ALC and MIC/HP-Amp
AK4562 LOW POWER 20BIT CODEC WITH PGA
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4561VQ 制造商:AKM 制造商全稱:AKM 功能描述:16bit CODEC with built-in ALC and MIC/HP-Amp
AK4562 制造商:AKM 制造商全稱:AKM 功能描述:EVALUATION BOARD REV.A FOR AK4562
AK4562VN 制造商:AKM 制造商全稱:AKM 功能描述:LOW POWER 20BIT CODEC WITH PGA
AK4563A 制造商:AKM 制造商全稱:AKM 功能描述:Low Power 16bit 4ch ADC & 2ch DAC with ALC
AK4563AVF 制造商:AKM 制造商全稱:AKM 功能描述:Low Power 16bit 4ch ADC & 2ch DAC with ALC
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