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AK5522 数据表(PDF) 14 Page - Asahi Kasei Microsystems

部件名 AK5522
功能描述  Differential Input Stereo 32-bit ADC with Excellent PSRR
Download  84 Pages
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制造商  AKM [Asahi Kasei Microsystems]
网页  http://www.akm.com
标志 AKM - Asahi Kasei Microsystems

AK5522 数据表(HTML) 14 Page - Asahi Kasei Microsystems

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[AK5522]
017002311-E-00
2017/03
- 14 -
ADC Filter Characteristics (fs= 192kHz)
(Ta=
40 - +105C, AVDD=3.0 - 3.6V or 4.5 - 5.5V, DVDD=3.0 - 3.6V or 1.7 - 1.98V)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter (Decimation LPF): SHARP ROLL-OFF (Figure 11)
(Parallel Control mode: SD pin=
“L”, Serial Control mode: SD bit=”0”, SLOW bit=”0”)
Passband (Note 12)
+0.001/
0.037dB
6.0dB
PB
0
-
100.2
83.7
kHz
kHz
Stopband (Note 12)
SB
122.9
-
-
kHz
Stopband Attenuation
SA
85
-
-
dB
Group Delay Distortion 0 - 40.0kHz
GD
-
0
-
1/fs
Group Delay (Note 13)
GD
-
14.9
-
1/fs
Digital Filter (Decimation LPF): SLOW ROLL-OFF (Figure 12)
(Parallel Control mode: Not Available, Serial Control mode: SD bit=
”0”, SLOW bit=”1”)
Passband (Note 12)
+0.001/
0.1dB
6.0dB
PB
0
-
75.2
31.5
kHz
kHz
Stopband (Note 12)
SB
146
-
-
kHz
Stopband Attenuation
SA
85
-
-
dB
Group Delay Distortion 0 - 40.0kHz
GD
-
0
-
1/fs
Group Delay (Note 13)
GD
-
7.9
-
1/fs
Digital Filter (Decimation LPF): SHORT DELAY SHARP ROLL-OFF FILTER (Figure 13)
(Parallel Control mode: SD pin=
”H”, Serial Control mode: SD bit=”1”, SLOW bit=”0”)
Passband (Note 12)
+0.001/
0.037dB
PB
0
-
83.7
kHz
6.0dB
-
100.2
-
kHz
Stopband (Note 12)
SB
122.9
-
-
kHz
Stopband Attenuation
SA
85
-
-
dB
Group Delay Distortion 0 - 40.0kHz
GD
-
-
0.3
1/fs
Group Delay (Note 13)
GD
-
6.4
-
1/fs
Digital Filter (Decimation LPF): SHORT DELAY SLOW ROLL-OFF FILTER (Figure 14)
(Parallel Control mode: Not Available, Serial Control mode: SD bit=
”1”, SLOW bit=”1”)
Passband (Note 12)
+0.001/
0.1dB
PB
0
-
31.5
kHz
6.0dB
-
75.2
-
kHz
Stopband (Note 12)
SB
146
-
-
kHz
Stopband Attenuation
SA
85
-
-
dB
Group Delay Distortion 0 - 40.0kHz
GD
-
-
0.4
1/fs
Group Delay (Note 13)
GD
-
6.4
-
1/fs
Digital Filter (HPF):
Frequency Response
(Note 12)
3.0dB
0.5dB
0.1dB
FR
-
-
-
1.0
2.5
6.5
-
-
-
Hz
Hz
Hz
Note 12. The passband and stopband frequencies scale with fs.
For example, PB (+0.001dB/
0.037dB) =0.436  fs (SHARP ROLL-OFF).
For example, PB (+0.001dB/
0.1dB) =0.164  fs (SLOW ROLL-OFF).
Note 13. The calculated delay time induced by digital filtering. This time is from the input of an analog
signal to the L channel MSB output timing of the SDTO. It may have an error of +1[1/fs] at
maximum when outputting data via audio interfaces. The signal frequency is 1kHz.


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