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AK5730VQ_17 Datasheet, PDF (27/50 Pages) Asahi Kasei Microsystems – 4-Channel Differential Audio ADC for Line & Mic Inputs | |||
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åä¸ã®ãã¡ã³ã¿ã é»æºã«ãã£ã¦ç¨®é¡ã®éããã¤ã¯ãåæã«æ¥ç¶ã§ãã¾ãã
[AK5730]
Mic
Bias,
CP
Mic
IN*P
IN*N
Figure 22. Microphone Input Mode (IN*P/N pins)
ãã©ã«ãã³ã³ãã£ã·ã§ã³ã«ã¤ãã¦ã¯ Table 10 㨠Figure 23ãåç
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ãã©ã«ãã³ã³ãã£ã·ã§ã³
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VBATã¸ã®ãã¸ãã£ã/ãã¬ãã£ãå
¥åã·ã§ã¼ã
VDC+/- â¥Vbias + Vth
GNDã¸ã®ãã¸ãã£ã/ãã¬ãã£ãå
¥åã·ã§ã¼ã
VDC+/- ⤠Vth
ãã¸ãã£ãå
¥åã¨ãã¬ãã£ãå
¥åã®ã·ã§ã¼ã
|VDC+ - VDC-| ⤠Vth
ãã¸ãã£ãå
¥åãªã¼ãã³
Vbias - Vth ⤠VDC+ ⤠Vbias + Vth
ãã¬ãã£ãå
¥åãªã¼ãã³
VDC+/- ⤠Vth
Note 23. âGNDã¸ã®ãã¸ãã£ã/ãã¬ãã£ãå
¥åã·ã§ã¼ãâ 㨠âãã¬ãã£ãå
¥åãªã¼ãã³â ã¯åºå¥ãã¤ãã¾ããã
Vth: ã¨ã©ã¼ã¢ãã¿é¾å¤é»å§ãTable 18 ã«Vthã®è¨å®å¤ãè¨ãã¾ãã
Table 10 ãã©ã«ãã³ã³ãã£ã·ã§ã³ (Microphone Input Mode)
Vbias
R1
Mic
VDC+
R2 VDC-
Mic
Bias,
CP
INM*P
INM*N
Figure 23. Microphone Input Mode (IN*MP/N pins)
MS1577-J-03
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2015/11
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