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AK5701 Datasheet, PDF (38/62 Pages) Asahi Kasei Microsystems – PLL & MIC-AMP 16-Bit Stereo ADC | |||
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ASAHI KASEI
[AK5701]
 à³à¾ÏÎδλϧÏϦϡÊÏ (ÏÏÏ¡ÎϧÏÊÏ
à£)
ALC bit = â0âͷͱÍɺà³à¾ÏÎδλϧÏϦϡÊÏ͸ÏÏÏ¡ÎϧÏÊÏ
ʹͳÎÎ͢ɻÍÍ·ÏÊÏ
͸ÒԼͷà§ß¹
Í´à¢à¼»Í Î͢ɻ
1. ϦηοÏÕ²à¦ÞɺALCà²à¡Í´ØÍ¢ÎϨδελàªà°(ZTM1-0, LMTHͳͲ)ÎߦÍà§ß¹É»
2. αϯÏϦϯάप೾਺ͷมßÍ´àµÍɺϦÏολÊϦΧÏϦपͲͳظALCà²à¡Í´ØÍ¢ÎϨδελมßÎ
ߦÍà§ß¹É»
3. à³à¾ÏÎδλϧÏϦϡÊÏÎÏÏÏ¡ÎϧÏϦϡÊÏÍ±Í Í¯à¢à¼»Í¢Îà§ß¹É»
à³à¾ÏÎδλϧÏϦϡÊÏͷήΠϯà¾Í¸IVL7-0, IVR7-0 bitÍ°àªà°Í ÎÍ¢(Table 29)É»ÏϦϡÊÏมßà£ÉºL/R
ಠཱʹθϩΫϩεÝà¥à²à¡ÎߦÍÎ͢ɻθϩΫϩελΠÏÎ΢Ïà£Ø͸ZTM1-0 bitÍ°àªà°Í¢ÎÍͱÍÍ°ÍÎ
͢ɻ
PMADL = PMADR bits = â0âͷͱÍÍ´IVL7-0, IVR7-0 bitsʹॻÍà ÎÎߦÍͱɺPMADL bit = â1â or PMADR bit
= â1âÍͯÍ×µÍॻʹÎADCͷॳظԽαΠΫϧʹÞɺͦͷàªà°à®Í°IVOLÍà²à¡ÎÖà¢Í Î͢ɻ
IVL7-0
IVR7-0
GAIN (dB)
Step
F1H
+36.0
F0H
+35.625
EFH
+35.25
:
:
92H
+0.375
91H
0.0
0.375dB Default
90H
â0.375
:
:
03H
â53.25
02H
â53.625
01H
â54
00H
MUTE
Table 29. à³à¾ÏÎδλϧÏϦϡÊÏÍ·àªà°à®
MS0404-J-00
- 38 -
2005/08
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