參數(shù)資料
型號(hào)： AK4683
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： Codec
英文描述： Asynchronous Multi-Channel Audio CODEC with DIR/T
中文描述： 異步多聲道音頻編解碼器署長/噸
文件頁數(shù)： 10/82頁
文件大?。?/td> 1257K
代理商： AK4683
ASAHI KASEI
[AK4683]
MS0427-E-01
2005/11
- 10 -
FILTER CHARACTERISTICS
(Ta=25
°
C; AVDD1, AVDD2, DVDD, PVDD, HVDD=4.5
～
5.5V; TVDD=2.7
～
5.5V; fs=48kHz)
Parameter
ADC Digital Filter (Decimation LPF):
Passband
(Note 14)
-0.2dB
-3.0dB
Stopband
Passband Ripple
Stopband Attenuation
Group Delay (Note 15)
Group Delay Distortion
ADC Digital Filter (HPF):
Frequency Response (Note 14)
-3dB
-0.1dB
DAC Digital Filter:
Passband (Note 14)
-0.1dB
-6.0dB
Stopband
Passband Ripple
Stopband Attenuation
Group Delay (Note 15)
DAC Digital Filter + Analog Filter:
Frequency Response: 0
～
20.0kHz
40.0kHz (Note 16)
80.0kHz (Note 16)
Notes:
14. The passband and stopband frequencies scale with fs.
For example, 21.8kHz at –0.1dB is 0.454 x fs (DAC). The reference frequency of these responses is 1kHz.
15. The calculating delay time which occurred by digital filtering. This time is from setting the input of analog signal
to setting the 24bit data of both channels to the output register of PORTA or PORTB.
For DAC, this time is from setting the 20/24bit data of both channels on input register of PORTA or PORTB to
the output of analog signal.
16. 40kHz@fs=96kHz, 80kHz@fs=192kHz
Symbol
min
typ
max
Units
±
0.1dB
PB
0
-
-
20.0
23.0
19
0
18.9
-
-
±
0.04
kHz
kHz
kHz
kHz
dB
dB
1/fs
μs
SB
PR
SA
GD
GD
28.0
68
FR
1.0
6.5
Hz
Hz
PB
0
-
24.0
21
21.8
-
±
0.02
kHz
kHz
kHz
dB
dB
1/fs
SB
PR
SA
GD
26.2
54
FR
FR
FR
±
0.2
±
0.3
±
1.0
dB
dB
dB
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4683_07 制造商:AKM 制造商全稱:AKM 功能描述:Asynchronous Multi-Channel Audio CODEC with DIR/T
AK4683_10 制造商:AKM 制造商全稱:AKM 功能描述:Asynchronous Multi-Channel Audio CODEC with DIR/T
AK4683EQ 制造商:AKM 制造商全稱:AKM 功能描述:Asynchronous Multi-Channel Audio CODEC with DIR/T
AK4683EQP 制造商:AKM Semiconductor Inc 功能描述:Audio Codec 2ADC / 4DAC 24-Bit 64-Pin LQFP
AK4685 制造商:AKM 制造商全稱:AKM 功能描述:Multi-channel CODEC with Differential Analog I/O
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