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AK4616VQ Datasheet, PDF (25/46 Pages) Asahi Kasei Microsystems – 24bit 3ch/5ch Audio CODEC with Mic Amplifier | |||
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[AK4616]
ÏÎδλϧÏϦϡÊÏ(DAAT17-0, DAAT27-0, DAAT37-0, DAAT47-0 bits ͱ SADATL/R 7-0, MADAT7-0 bits)Í·àª
Ò à£Ø͸DAATS1-0 bits ͱADATS1-0 bits Í°àªà°Í ÎÍ¢(Table 10, Table 11)É» Mode1/2/3Ͱ͸àªà°à®ØÍ·àªÒ ͸ιÏ
ÏàªÒ Í°Í¢É»Í Í¨ÍͬͯɺàªÒ தʹεΠονϯάÏΠζ͸àµà©Í ÎͤÎÉ»
Mode
0
1
2
3
DAATS1
0
0
1
1
DAATS0
0
1
0
1
ATT speed
4080/fs
2040/fs
510/fs
255/fs
(default)
Table 10. DAAT17-0, DAAT27-0, DAAT37-0, DAAT47-0 bits Í·àªÒ à£Øàªà°
Mode
0
1
2
3
ADATS1
0
0
1
1
ADATS0
0
1
0
1
ATT speed
4080/fs
2040/fs
510/fs
255/fs
(default)
Table 11. SADATL/R 7-0, MADAT 7-0 bits ã®é·ç§»æéè¨å®
Mode0ã®å ´åãATTè¨å®éã®é·ç§»ã¯4080ã¬ãã«ã§ã½ããé·ç§»ãã¾ãã00H(0dB)ããFFH(MUTE)ã¾ã§ã«ã¯4080/fs
(85.0ms@fs=48kHz)ãããã¾ããPDN pinã âLâ ã«ããã¨ãDAAT17-0, DAAT27-0, DAAT37-0, SADATL/R 7-0,
MADAT7-0 bits 㯠00Hã« ã DAAT47-0 bits 㯠FFHã« å æ å ãã ã¾ ã ã DAAT17-0, DAAT27-0, DAAT37-0,
SADATL/R 7-0, MADAT7-0 bits ã¯RSTN bitã â0â ã«ããã¨ä¸æ¦00Hã«ãªããDAAT47-0 bits ã¯RSTN bit ã â0â ã«
ããã¨FFH ã«ãªãã¾ãããããã®ãããã¯RSTN bitã â1â ã«æ»ãã¨è¨å®å¤ã«æ»ã£ã¦ããã¾ãã
â MIC ã²ã¤ã³ã¢ã³ã
AK4616ã¯ã·ã³ã°ã«ã¨ã³ããå·®åå
¥åã«å¯¾å¿ãããã¤ã¯ç¨ã²ã¤ã³ã¢ã³ããå
èµãã¦ãã¾ããMDIF bit = â1â ã®
æãMINP/N pinsããå·®åå
¥åãå¯è½ã§ããå
¥åæ大é»å§ã¯A3V31ã«ä¾åãã¾ããAVDD=3.3Vã®æãã·ã³ã°
ã«ã¨ã³ãå
¥åã®æ大é»å§ã¯2.2Vppãå·®åå
¥åã®æ大é»å§ã¯Â±2.2Vppã«ãªãã¾ããå
¥åã¤ã³ãã¼ãã³ã¹ã¯typ.
30kâ¦ã§ããMGAIN2-0 bitsã«ãããã²ã¤ã³ãè¨å®ãããã¨ãã§ãã¾ã(Table 12)ãåä½ä¸ã«ãã¤ã¯ã²ã¤ã³ã®è¨
å®ãå¤æ´ããã¨ããããã¤ãºãçºçãã¾ãã
Mode
0
1
2
3
4
5
6
7
MGAIN2 MGAIN1 MGAIN0 Input Gain
0
0
0
0dB
0
0
1
15dB
0
1
0
18dB
0
1
1
21dB
1
0
0
24dB
1
0
1
27dB
1
1
0
30dB
1
1
1
33dB
Table 12. MIC Input Gain (typ.)
(default)
MS1437-J-01
- 25 -
2012/11
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