AK4343VN Datasheet, PDF(45/99 Page) Asahi Kasei Microsystems – Stereo DAC with HP/RCV/SPK-AMP

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AK4343VN Datasheet, PDF (45/99 Pages) Asahi Kasei Microsystems – Stereo DAC with HP/RCV/SPK-AMP

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[AK4343]

AVL7-0, AVR7-0 bitsÍ·à¥»Íà ÎÎà¬ÍÍ¯ß¦Íà§ß¹Í¸ÉºÎ¸Ï©Î«Ï©ÎµÎ»Î ÏÎÎ¢Ïà£ØÒà§Í·ØÖ´ÎÍÍÍ¯ß¦Í¬

Í¯Ô¼ÍÍÉ»à¥´à°Í·ØÖ´ÎÍÍÍ³ÍÍ°à¥»Íà ÎÎß¦ÍÍ±ÉºÎ¸Ï©Î«Ï©ÎµÎ§Î¢Ï¯Î»ÍàºÕ³Ï¦Î·Î¿ÏÍÎÏÏ¦Ï¡ÊÏ

Íà©¾Îà¬¸ÎÎÎÍ¤ÎÉ»Í¨Í©Í Éºà¥»Íà ÎÏ¨Î´ÎµÎ»à®Íàª²Õ³Í±à²Í¡à®Í·à§ß¹Í¸à¥»Íà ÎÍà»à¢¹ÍÎÉºÎ¸Ï©Î«Ï©

ÎµÎ§Î¢Ï¯Î»Í¸Ï¦Î·Î¿ÏÍÎÍ³ÍÍ·Í°ÉºÎ¸Ï©Î«Ï©ÎµÎ»Î ÏÎÎ¢Ïà£ØÎÎà¹ÍØÖ´Í°à¥»Íà ÎÎß¦ÍÍÍ±ÍÍ°

ÍÎÍ¢É»

ALC bit

ALC Status

Disable

Enable

Disable

AVL7-0 bits

E1H(+30dB)

AVR7-0 bits

C6H(+20dB)

Internal AVL

Internal AVR

E1H(+30dB)

C6H(+20dB)

E1(+30dB) --> F1(+36dB)

(1)

E1(+30dB) --> F1(+36dB)

E1(+30dB)

(2)

C6H(+20dB)

Figure 34. ALCà²à¡à®¤Í·AVOLà²à¡à¾«

(1) ALCÖà¢à£Í´AVLÍ±AVRÍ·à®ÍÒÍ³Í¬Í¯ÍÎà§ß¹Í¸ÉºAVLÍ·à®ÍÎµÎ»ÊÏà®Í´Í³ÎÎÍ¢É»ALC bit = â1â

Îà¥»Íà ÎÍ°ÍÎAVL7-0 bitsÍ·à®Í°ALCà²à¡ÎÖà¢Í¢ÎÎÍ°Í·à¬´Íªà£ØÍ¸à ·àÍ°Ï¦Î§ÏÏ¦à¬´Øà£Ø»

(WTM2-0 bits) + Î¸Ï©Î«Ï©ÎµÎ»Î ÏÎÎ¢Ïà£Ø(ZTM1-0 bits)Í°Í¢É»

(2) ALCà²à¡à®¤Í¸ÉºAVL, AVRÍ·Ï¨Î´ÎµÎ»(09H, 0CH)Í´à¥»Íà ÎÎß¦Í¬Í¯ÎàµÓ©ÍÎÎÍ¤ÎÉ»ALCÍDisable

ÍÎÍ¨ÞÉºÎ¸Ï©Î«Ï©ÎµÎÍ¨Í¸Î¸Ï©Î«Ï©ÎµÎ»Î ÏÎÎ¢Ïà£Í´Í¦Í·à®ÍàµÓ©ÍÎÎÍ¢É»à ¶à±ALCÎEnableÍ¢

Îà§ß¹Í¸ÉºALC bit = â0âÍ·ÞÉºÎ¸Ï©Î«Ï©ÎµÎ»Î ÏÎÎ¢Ïà£ØÒà§Í·ØÖ´ÎÛÍÍ¯ALC bit = â1âÎàªà°Í Í¯

Ô¼ÍÍÉ»

MS0478-J-02

- 45 -

2010/11

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