AK4642VN Datasheet, PDF(68/82 Page) Asahi Kasei Microsystems – 16-Bit ΔΣ Stereo CODEC with MIC/HP/SPK-AMP

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AK4642VN Datasheet, PDF (68/82 Pages) Asahi Kasei Microsystems – 16-Bit ΔΣ Stereo CODEC with MIC/HP/SPK-AMP

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ASAHI KASEI

[AK4642]

1. Î¬Ï¥Ï¯ÏÍ±à°¿Ý¯Í·ÏÎ§Î¿ÏÏ¦Ï¯Î¬

Í±Ý¯à°¿Î¬Ï¥Ï¯ÏÍ·à¤Îà¹Í´Í¸à¥à·¼à®«ÒÍ Í¯Ô¼ÍÍÉ»à¯¨à§ÉºAVDD, DVDD, HVDDÍ´Í¸Î³ÎµÏÏÍ·ÎÏÏ©Î¬à°¿

Ý¯ÎÍ¢ÎÍ ÚÚÉ»AVDD, DVDD, HVDDÍà¸à°¿ÍÚÚÍ°Ý¯ÎÎà§ß¹Í´Í¸Éºà°¿Íà§Íªà½±Ý¯Î³ÊÎÏ¯ÎµÎßÍÎ

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2. Ø¬à¥ªà°¿Ñ¹

VCOMÍ¸ÎÏÏ©Î¬à§´ß¸Í·Î¯ÏÏ¯à°¿Ñ¹Í±Í Í¯à¢ÎÎÎÍ¢É»ÍÍ·ÏÏ¯Í´Í¸ß´à¤ªà³¾ÏÎ Î¶Îà¦Í¢ÚÎÍ¨ÎÍ´2.2ÂµF

à°à±Í·à°¿Õ²Î¯Ï¯ÏÏ¯Î±Í±à¸à¾»Í´0.1ÂµFÍ·Î·Ï¥ÏÎ¿Î«Î¯Ï¯ÏÏ¯Î±ÎAVSSÍ±Í·ØÍ´àªà¬Í Í¯Ô¼ÍÍÉ»à²Í´ÉºÎ·Ï¥

ÏÎ¿Î«Î¯Ï¯ÏÏ¯Î±Í¸ÏÏ¯Í´Í°ÍÎÍ©ÍÛÍ®ÍÍ¯àªà¬Í Í¯Ô¼ÍÍÉ»VCOMÏÏ¯ÍÎà°¿à½¶Îà¤Í¬Í¯Í¸ÍÍÎÍ¤

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3. ÎÏÏ©Î¬à³à¾

ÏÎ Î«à³à¾ÉºÏ¥Î Ï¯à³à¾Í±BEEPà³à¾Í¸Î³Ï¯Î¬Ï§Î¤Ï¯Ïà³à¾Í´Í³Í¬Í¯ÍÎÉºà³à¾Ï¨Ï¯Î´Í¸à²ºà·¦Í·Î¯ÏÏ¯à°¿Ñ¹

(0.45 x AVDD)Îà®¤à§ºÍ´0.06 x AVDD Vpp(typ)ÉºÎÍ¨Í¸Éº0.6 x AVDD Vpp(typ)Í´Í³ÎÎÍ¢É»à¯¨à§Éºà³à¾à§´ß¸Í¸

Î¯Ï¯ÏÏ¯Î±Í°DCÎ§Î¿ÏÍ ÎÍ¢É»ÍÍ·à£Î§Î¿ÏÎ¦Ïà¤ªà³¾à¨ºÍ¸fc=1/(2ÏRC)Í°Í¢É»AK4642Í¸AVSSÍÎAVDDÎ

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4. ÎÏÏ©Î¬à¥à¾

DACÍ´à¬°Í¢Îà³à¾ÏÊÎ»Í·ÏÎ¥ÊÏÎ¿ÏÍ¸2âsÎ¯Ï¯ÏÏ¦ÏÏ¯ÏÍ°Éº7FFFH(@16bit)Í´à¬°Í Í¯Í¸à©Í·ÏÏ§ÎµÎÊ

Ï§Éº8000H(@16bit)Í´à¬°Í Í¯Í¸à·Í·ÏÏ§ÎµÎÊÏ§Éº0000H(@16bit)Í°Í·à½§à¿¦à®Í¸VCOMà°¿Ñ¹Í°Í¢É»VCOMà°¿Ñ¹

Í¸ÉºÎµÏÏ¨Î¦Ï¥Î Ï¯à¥à¾Í°Í¸0.45 x AVDD (typ)Îà®¤à§ºÍ´à¥à¾ÍÎÉºÏÎ¿ÏÏÎ¥Ï¯à¥à¾Í±ÎµÏÊÎ§à¥à¾Í°Í¸

HVDD/2Îà®¤à§ºÍ´à¥à¾ÍÎÎÍ¢É»

MS0358-J-02

- 68 -

2005/04

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