參數(shù)資料
型號(hào)： AK7712A-VT
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類(lèi)： 圓形連接器
英文描述： Circular Connector; No. of Contacts:8; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:16-8 RoHS Compliant: No
中文描述： 內(nèi)置20位ADC / DAC的尖端音頻DSP
文件頁(yè)數(shù)： 14/87頁(yè)
文件大?。?/td> 968K
代理商： AK7712A-VT
ASAHI KASEI
[AK7712A-VT]
0180-E-02
1997/12
- 14 -
Digital Filter Characteristics
This data is not the guaranteed characteristic value but the designed value as a reference.
ADC unit :
(Ta=25
°
C; VA,VD,VB=5.0V
±
5%; fs=44.1kHz)
Parameter
Passband
(
±
0.06dB)
( -6.0 dB)
Stopband
Passband ripple
Stopband attenuation (note 3,4)
Group delay distortion
Group delay
note 1: The frequencies of passband/stopband are proportional to the sampling frequency (fs).
2: Passband is DC to 19.75kHz at fs=44.1kHz.
3: Stopband is 27.56kHz to 2.795MHz at fs=44.1kHz.
4: The analog modulator samples the input at 2.8224MHz for fs=44.1kHz. There is no rejection of
input signals at those band width which are multiples of the sampling frequency(n x 2.8224MHz
±
20.21kHz; n=0,1,2,3
…
).
Symbol
PB
min
0
0
24.35
typ
max
20.00
22.05
Units
kHz
kHz
kHz
dB
dB
us
Ts
(note 1)
(note 1)
(note 2)
SB
PR
SR
GD
GD
±
0.005
80
0
(Ts=1/fs)
29.3
DAC unit :
(Ta=25
°
C; VA,VD,VB=5.0V
±
5%; fs=44.1kHz;)
Parameter
Digital filter
Passband
( -0.2 dB) (note 1)
( -6.0 dB)
Stopband
Passband ripple
Stopband attenuation
Group delay
(Ts = 1/fs) (note 2)
Digital filter + analog filter
Amplitude characteristics
Symbol
min
typ
max
Units
PB
0
-
22.05
20.0
-
kHz
kHz
kHz
dB
dB
Ts
(note 1)
SB
PR
SA
GD
24.3
±
0.05
41
-
14.7
-
0
～
20kHz
-
±
0.5
-
dB
note 1: The frequencies of passband/stopband are proportional to the sampling frequency (fs);
PB=0.4535fs(@-0.2dB), SB=0.546fs(@-41dB).
2: The calculating delay time is occurred by digital filtering. This is the time from the setting
20-bit data on input register to the output of analog signal. (at fs=44.1kHz)
相關(guān)PDF資料
PDF描述
AK7714 Circular Connector; No. of Contacts:8; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:16-8 RoHS Compliant: No
AK7714VT Circular Connector; No. of Contacts:8; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:16-8 RoHS Compliant: No
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