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AK4616VQ Datasheet, PDF (8/46 Pages) Asahi Kasei Microsystems – 24bit 3ch/5ch Audio CODEC with Mic Amplifier | |||
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[AK4616]
ãã£ã«ã¿ç¹æ§(fs=48kHz)
(Ta= -40 ⼠+85°C; A3V31, A3V32= D3V3=3.0⼠3.6V, D1V8 =1.7⼠1.9V)
Parameter
Symbol
min
typ
max
Unit
ADC Digital Filter (Decimation LPF):
Passband (Note 9)
±0.16dB
PB
0
-
18.8
kHz
â0.66dB
-
21.1
-
kHz
â1.1dB
-
21.7
-
kHz
â6.9dB
-
24.1
-
kHz
Stopband (Note 9)
SB
28.4
-
-
kHz
Passband Ripple
PR
-
-
±0.1
dB
Stopband Attenuation
SA
73
-
-
dB
Group Delay (Note 10)
GD
-
18.4
-
1/fs
Group Delay Distortion
ÎGD
-
0
-
μs
ADC Digital Filter (HPF):
Frequency Response (Note 9) â3.0dB
FR
-
3.7
-
Hz
â0.5dB
â0.1dB
-
10.9
-
Hz
-
24.0
-
Hz
DAC Digital Filter (LPF):
Passband
(Note 9) ±0.06dB
PB
0
-
21.8
kHz
â6.0dB
-
24.0
-
kHz
Stopband
Passband Ripple
(Note 9)
SB
26.2
PR
-
-
-
kHz
-
±0.06
dB
Stopband Attenuation
SA
54
-
-
dB
Group Delay Distortion
ÎGD
-
0
-
μs
Group Delay
(Note 10)
GD
-
23
-
1/fs
DAC Digital Filter + Analog Filter:
Frequency Response (Note 11) 20kHz
FR
-
-0.1
-
dB
Note 9. åæ¯å¹
ç¹æ§ã®å¨æ³¢æ°ã¯fs (ã·ã¹ãã ãµã³ããªã³ã°ã¬ã¼ã)ã«æ¯ä¾ãã¾ããä¾ãã°ãfs=48kHzæã®å ´åADC
ã®-1.0dBã«ãããPassband 0.454 à fsã§ããDACã®Â±0.06dBã«ãããPassbandã¯0.45412 x fsã§ãã
Note 10. ãã£ã¸ã¿ã«ãã£ã«ã¿ã«ããé
延æ¼ç®ã§ãã¢ããã°ä¿¡å·ãå
¥åããã¦ãã両ãã£ãã«ã®24bitãã¼ã¿ã
ADCåºåã¬ã¸ã¹ã¿ã«ã»ãããããã¾ã§ã®æéã§ããDACé¨ã¯24bitãã¼ã¿ãå
¥åã¬ã¸ã¹ã¿ã«ã»ããã
ãã¦ããã¢ããã°ä¿¡å·ãåºåãããã¾ã§ã®æéã§ãã
Note 11. 1kHzãåºæºã«ããå¤ã§ãã
MS1437-J-01
-8-
2012/11
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