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AK4343VN Datasheet, PDF (47/99 Pages) Asahi Kasei Microsystems – Stereo DAC with HP/RCV/SPK-AMP | |||
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[AK4343]
â à¥à¾ÏϦϡÊÏ
AK4343͸MUTEÎØÎ0.5dBεÏοÏɺ256ϨÏϧͷνÏÏϧಠཱÏÎδλϧà¥à¾ÏϦϡÊÏ(DATT)Î಺à¬
Í Î͢ɻÍÍ·ÏϦϡÊÏ͸DACͷલà®Í´ÍÎɺà³à¾ÏÊλÎ+12dBÍÎâ115dBݮͰÎਰɺÎͨ͸ÏÏ¡ÊÏÍ
Î͢ɻDVOLC bitÎ â1âÍ´Í¢ÎͱɺDVL7-0 bitsÍ°Lch, RchÍ·ÏϦϡÊÏÎà²à£Í´Î¯Ï¯ÏÏ©ÊϧͰÍÎ͢ɻDVOLC
bitÍ â0âÍ·à§ß¹ÉºLch, RchÍ·ÏϦϡÊÏ͸ಠཱʹίϯÏÏ©ÊϧͰÍÎ͢ɻÎͨɺATTàªà°ØÍ·àªÒ ͸1061ϨÏ
ϧÎͨ͸256/fsͰιÏÏàªÒ Í Î͢ɻàªÒ εÏοÏ͸DVTM bitÍ°àªà°Í Î͢ɻDVTM bit = â0âͷͱÍɺ
00H(+12dB)ÍÎFFH(MUTE)ÎͰʹ͸1061/fs(24ms@fs=44.1kHz)ÍÍÎÎ͢ɻ
DVL/R7-0
Gain
00H
+12.0dB
01H
+11.5dB
02H
+11.0dB
:
:
18H
0dB
:
:
FDH
â114.5dB
FEH
â115.0dB
FFH
MUTE (ââ)
Table 35. Digital Volume Code Table
Step
0.5dB
(default)
DVTM bit
0
1
DVL/R7-0 bits = 00HÍÎFFHÎÍ°Í·àªÒ à£Ø
àªà°à®
fs=8kHz࣠fs=44.1kHzà£
1061/fs
133ms
24ms
256/fs
32ms
6ms
Table 36.à¥à¾ÏϦϡÊÏÍ·àªÒ à£Øàªà°
(default)
MS0478-J-02
- 47 -
2010/11
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