參數(shù)資料
型號(hào)： AK4682EQ
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： Codec
英文描述： Multi-channel CODEC with 2Vrms Stereo Selector
中文描述： 多通道選擇與2Vrms的立體聲編解碼器
文件頁(yè)數(shù)： 8/43頁(yè)
文件大?。?/td> 667K
代理商： AK4682EQ
[AK4682]
MS0610-E-01
2007/07
- 8 -
Power Supplies
Parameter
Power Supply Current
Normal Operation (PDN pin = “H”)
TVDD
DVDD1+AVDD1
DVDD2+AVDD2
PVDD
Power-Down Mode (PDN pin = “L”; Note: 6)
TVDD
DVDD1+AVDD1
DVDD2+AVDD2
PVDD
Note: 6. All digital inputs including clock pins (MCLKA, MCLKB, BICKA, BICKB, LRCKA, LRCKB and
SDTIA1-0) are held at DVDD1, DVDD2, DVSS1 or DVSS2.
FILTER CHARACTERISTICS
(Ta=-20
°
C ~+85
°
C; TVDD=2.7 ~ 5.25V; DVDD1, DVDD2, AVDD1, AVDD2=4.75 ~ 5.25V; PVDD=8.5 ~ 12.6V;
fs=48kHz)
Parameter
Symbol
ADC Digital Filter (Decimation LPF):
Passband (Note: 7)
±
0.1dB
-0.2dB
-3.0dB
Stopband
SB
Passband Ripple
PR
Stopband Attenuation
SA
Group Delay (Note: 8)
GD
Group Delay Distortion
Δ
GD
ADC Digital Filter (HPF):
Frequency Response (Note: 7)
-3dB
-0.1dB
DAC Digital Filter:
Passband (Note: 7)
-0.1dB
-6.0dB
Stopband
SB
Passband Ripple
PR
Stopband Attenuation
SA
Group Delay (Note: 8)
GD
DAC Digital Filter + Analog Filter:
Frequency Response: 0
～
20.0kHz
40.0kHz (Note: 9)
80.0kHz (Note: 9)
FR
Note: 7. 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.
Note: 8. The calculating delay time occurred at digital filtering. This time is from setting the input of analog s signal to
setting the 24bit data of both channels to the output register of PORTB.
For DAC, this time is from setting the 20/24bit data of both channels on input register of PORTA to the
output of analog signal.
Note: 9. 40.0kHz@fs=96kHz, 80.0kHz@fs=192kHz.
min
typ
1
37
33
15
10
10
10
10
max
3
55
50
25
100
100
100
100
Units
mA
mA
mA
mA
μ
A
μ
A
μ
A
μ
A
min
typ
max
Units
PB
0
-
-
20.0
23.0
16
0
18.9
-
-
±
0.04
kHz
kHz
kHz
kHz
dB
dB
1/fs
μs
28.0
68
FR
1.0
6.5
Hz
Hz
PB
0
-
24.0
20
21.8
-
±
0.02
kHz
kHz
kHz
dB
dB
1/fs
26.2
54
FR
FR
±
0.2
±
0.3
±
1.0
dB
dB
dB
相關(guān)PDF資料
PDF描述
AK4683_07 Asynchronous Multi-Channel Audio CODEC with DIR/T
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AK4702 2CH DAC WITH AV SCART SWITCH
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參數(shù)描述
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