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AK5730VQ_17 Datasheet, PDF (26/50 Pages) Asahi Kasei Microsystems – 4-Channel Differential Audio ADC for Line & Mic Inputs | |||
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[AK5730]
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AK5730ã«ã¯4ã¤ã®ã¢ããã°å
¥åã¢ã¼ããããLIN*1-0 bit ã§å¶å¾¡ãã¾ããå
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ä¿¡å·ã¯IN*P/N pin ããå
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INM*P/N pinã®å
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精度ã¨ãã¦0.1ï¼
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(A) Microphone Input Mode (LIN*1-0 bits = â00â)
ãã¤ã¯ã¯å·®åã§æ¥ç¶ãã¦ãã ãããåãã¤ã¯ã®ã·ã¼ã«ãç·ã¯ã·ã£ã¼ã·ã°ã©ã³ãã«æ¥ç¶ããã¾ãããã®å ´åãGAIN* bit ã
â1â ã«è¨å®ãããã¨ã§ 9.5ï½Bã®ã²ã¤ã³è£æ£ãå¯è½ã§ãã
é
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Mic Impedance
Mic Audio Output
Interchannel Isolation(max) of
Microphone inputs
Mic Phantom Voltage(Vbias)
Mic Supply Current
Resistors (symmetrical)
ä»æ§
1 - 2kï, 10kï (max)
10...100mVrms, 1.75Vrms(max)
70dB
5V - 9V
0.1 - 10mA
200 - 10k
Table 9. ãã¤ã¯å
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説æ
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Figure 21 ã§ã¯ãã¤ã¯ã¤ã³ãã¼ãã³ã¹ã¨ãã¤ã¯ãã¤ã¢ã¹æµæã¯2kïã§MPWRé»å§ã¯8.0Vã§ãããã®æãMPWRã®ã³ã¢ã³ã¤
ã³ãã¼ãã³ã¹ã¯0.2 ï以ä¸ã«ãã¦ãã ããã
MPWR
+8.0V
max: 0.2ohm
AK5730
2kohm
1kHz Sin Wave
100mVpp
2kohm(Mic)
2kohm
Isolation measured
2kohm(Mic)
2kohm
2kohm
Figure 21. ãã¤ã¯å
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MS1577-J-03
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2015/11
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