AK4612EQ Datasheet, PDF(62/68 Page) Asahi Kasei Microsystems – 6/8-Channel Audio CODEC

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

AK4612EQ Datasheet, PDF (62/68 Pages) Asahi Kasei Microsystems – 6/8-Channel Audio CODEC

◁

[AK4612]

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§AVDD1, AVDD2, TVDD1, TVDD2Í´Í¸Î³ÎµÏÏÍ·Î

ÏÏ©Î¬à°¿Ý¯ÎÍ¢ÎÍ ÚÚÉ»AVDD1, AVDD2, TVDD1, TVDD2Íà¸à°¿ÍÚÚÍ°Ý¯ÎÎà§ß¹Í¸Éºà°¿Íà§Íªà½±Ý¯Î³

ÊÎÏ¯ÎµÎßÍÎà¶à½Í¸ÍÎÎÍ¤ÎÉ»VSS1Í±VSS2, VSS3, VSS4Í¸ÎÏÏ©Î¬Î¬Ï¥Ï¯ÏÍ´àªà¬Í Í¯Ô¼ÍÍÉ»Î³Îµ

ÏÏÍ·Î¬Ï¥Ï¯ÏÍ¸ÎÏÏ©Î¬Í±ÏÎÎ´Î»Ï§Í°à·¼ÍÍ¯à´àª¢Í ÉºPCÏÊÏà§Í·à°¿ÍÍ±ÍÛÍ´Ý¯ÎÍ°àªà¬Í Í¯Ô¼Í

ÍÉ»à¦à¼°à¾Í·ÏÎ§Î¿ÏÏ¦Ï¯Î¬Î¯Ï¯ÏÏ¯Î±Í¸Í³ÎÎÍà°¿Ý¯ÏÏ¯Í·ÛÍÍ´àªà¬Í Í¯Ô¼ÍÍÉ»

Ø¬à¥ªà°¿Ñ¹à³à¾

VREFH1, VREFH2 pinÍ´à³à¾ÍÎÎà°¿Ñ¹ÍÎÏÏ©Î¬à³à¥à¾Ï¨Ï¯Î´Îàªà°Í ÎÍ¢É»à¯¨à§VREFH1 pinÍ¸AVDD1 pin

Í´àªà¬Í ÉºVSS1Í±Í·ØÍ´0.1Î¼FÍ·Î·Ï¥ÏÎ¿Î«Î¯Ï¯ÏÏ¯Î±Îàªà¬Í ÎÍ¢É»VREFH2 pinÍ¸AVDD2 pinÍ´àªà¬Í Éº

VSS2Í±Í·ØÍ´0.1Î¼FÍ·Î·Ï¥ÏÎ¿Î«Î¯Ï¯ÏÏ¯Î±Îàªà¬Í ÎÍ¢É»VCOMÍ¸AVDD1x1/2à°¿Ñ¹Îà¥à¾Í Í¯ÍÎÉºÎÏ

Ï©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´2.2Î¼Fà°à±Í·à°¿Õ²Î¯Ï¯

ÏÏ¯Î±Í±à¸à¾»Í´0.1Î¼FÍ·Î·Ï¥ÏÎ¿Î«Î¯Ï¯ÏÏ¯Î±ÎVSS1Í±Í·ØÍ´àªà¬Í Í¯Ô¼ÍÍÉ»à²Í´Î·Ï¥ÏÎ¿Î«Î¯Ï¯ÏÏ¯Î±

Í¸ÏÏ¯Í´à¥à½ÎÍ©ÍÛÍ®ÍÍ¯àªà¬Í Í¯Ô¼ÍÍÉ»VCOM pinÍÎà°¿à½¶Îà¤Í¬Í¯Í¸ÍÍÎÍ¤ÎÉ»ÎÍ¨ÉºÏÎÎ´Î»Ï§

à§´ß¸Éºà²Í´Î«Ï©Î¿Î«à§´ß¸Í¸à¸¡à¯ÎØ«Í·Î§Î¿ÏÏ¦Ï¯Î¬Îà¶ÍÎÍ¨ÎVREFH1, VREFH2, VCOMÍÎÍ°ÍÎÍ©Íà½

Í Í¯Ô¼ÍÍÉ»

3. ÎÏÏ©Î¬à³à¾

ADCà³à¾Í¸Î³Ï¯Î¬Ï§Î¤Ï¯Ïà³à¾Éºà ©à²à³à¾Í·à¾à¹Í´à¬°Ô Í Í¯ÍÎÉºDIE3-1 bit Í°àª¬àÍ°ÍÎÍ¢É»Î³Ï¯Î¬Ï§Î¤Ï¯

Ïà³à¾à£Í¸à²ºà·¦Í°9kÐ(typ)Í°VCOM(AVDD1x1/2)à°¿Ñ¹Í´ÏÎ ÎÎµÍÎÍ¯ÍÎÍ¢É»à³à¾Ï¨Ï¯Î´Í¸0.65 x VREFH1

Vpp (typ)@fs=48kHzÍ°Í¢É»à ©à²à³à¾à£Í¸à²ºà·¦Í°13kÐ(typ)Í°VCOMÍ´ÏÎ ÎÎµÍÎÍ¯ÍÎÍ¢É»LIN(RIN)+Í±

LIN(RIN)âØÍ·à³à¾à§´ß¸àµ£ÒÍ¸ÉºÊ¶0.65 x VREFH1 Vpp (typ)@fs=48kHzÍ°Í¢É»AK4612Í¸VSS1ÍÎAVDD1ÎÍ°

Í·à°¿Ñ¹Îà³à¾Í¢ÎÍÍ±ÍÍ°ÍÎÍ¢É»à¥à¾Î¯ÊÏÍ·ÏÎ¥ÊÏÎ¿ÏÍ¸2âsÎ¯Ï¯ÏÏ¦ÏÏ¯Ï(2Í·à¸´à¨º)Í°Í¢É»DCÎ¦Ï

Î·Î¿ÏÍ¸à²ºà¬Í·HPFÍ°Î©ÏÏ¯Î·Ï§ÍÎÎÍ¢É»

AK4612Í¸128fs(@fs=48kHz)Í°ÎÏÏ©Î¬à³à¾ÎÎ±Ï¯ÏÏ¦Ï¯Î¬Í ÎÍ¢É»ÏÎÎ´Î»Ï§ÏÎÏ§Î»Í¸Éº128fsÍ·à©à¨ºà´à·

ÛÍ·à¬³Ò¬Îà¦Íà«à¢Ò¬Òà§Í·ÏÎ Î¶ÎÍ¢ÎÍ¯à¦Í¢ÎÍ ÚÉ»AK4612Í¸128fsà·ÛÍ·ÏÎ Î¶ÎÝ®à¨°ÍÍ¤ÎÍ¨ÎÍ´Î

Ï¯Î½Î¤Ï¦ÎÎ´Ï¯Î¬ÏÎÏ§Î»(RCÏÎÏ§Î»)Îà²ºà¬Í Í¯ÍÎÍ¢É»

4. ÎÏÏ©Î¬à¥à¾

DACà¥à¾Í¸Î³Ï¯Î¬Ï§Î¤Ï¯Ïà¥à¾Éºà ©à²à¥à¾Í·à¾à¹Í´à¬°Ô Í Í¯ÍÎÉºDOE4-1 bit Í°àª¬àÍ°ÍÎÍ¢É»Î³Ï¯Î¬Ï§Î¤

Ï¯Ïà¥à¾à£Í·à¥à¾Ï¨Ï¯Î´Í¸VCOMà°¿Ñ¹Îà®¤à§ºÍ´0.63xVREFH2 Vpp(typ)Í°Í¢É»à ©à²à¥à¾à£Í·à¥à¾Ï¨Ï¯Î´Í¸

VCOMà°¿Ñ¹Îà®¤à§ºÍ´ Ê¶0.63 x VREFH2 Vpp (typ)Í°Í¢É»à ©à²à¥à¾Í¸Öà·¦Í°Õà¢ÍÎÎÍ¢É»L(R)OUT+ Í±L(R)OUT-

Í·Õà¢à°¿Ñ¹Í¸VAOUT = [L(R)OUT+]-[L(R)OUT-]Í°Í¢É»Õà¢Î®Î Ï¯ÍÌÍ·à§ß¹Éºà¥à¾Ï¨Ï¯Î´Í¸4.16Vpp

(typ@AVDD2=3.3V)Í°Í¢É»Öà·¦Õà¢Õ³à¿Í·ÏÎ ÎÎµà°¿Ñ¹Í¸Öà·¦Í°ÍÚÚÎÎÍ¢É»à³à¾Î¯ÊÏÍ·ÏÎ¥ÊÏÎ¿Ï

Í¸2âsÎ¯Ï¯ÏÏ¦ÏÏ¯Ï(2Í·à¸´à¨º)Í°Éº7FFFFFH(@24bit)Í´à¬°Í Í¯Í¸à©Í·ÏÏ§ÎµÎÊÏ§Éº800000H(@24bit)Í´à¬°Í Í¯

Í¸à·Í·ÏÏ§ÎµÎÊÏ§Éº000000H(@24bit)Í°Í·à½§à«à®Í¸VCOMà°¿Ñ¹Íà¥à¾ÍÎÎÍ¢É»Ï¶Ðà¸¡à¯àµÍØ«à©Í¢Îà¬³Ò¬

ÖÏÎ Î¶(Î³Î£ÊÏÏ¯Î¬ÏÎ Î¶)Í¸Î³Ï¯Î¬Ï§Î¤Ï¯Ïà¥à¾à£Í´Í¸à²ºà¬Í·ÎµÎ Î¿Î½ÏÎ©ÏÏÎ³Î»ÏÎÏ§Î»(SCF)Í±à¿

à¬ÏÎÏ§Î»(CTF)Í°à¦ÍÚÎÎÍ¢É»à ©à²à¥à¾à£Í´Í¸à¿à¬ÏÎÏ§Î»Íà²ºà¬ÍÎÍ¯ÍÎÍ¤ÎÍ·Í°à¬³Ò¬ÖÏÎ Î¶Îà¦

ÍÍ¨Í Úà§ß¹Í¸Öà·¦Í°LPFÎà«ÎÍ°ÍÍ©ÍÍÉ»

àºLSIÍ·ÎÏÏ©Î¬à¥à¾Í¸VCOMà°¿Ñ¹Í´à¬°Í Í¯à¨ºmVà°à±Í·Î¦ÏÎ·Î¿ÏÎà£ÍÍ¨Îà¯¨à§Í·à¢à¼»Í°Í¸Î¯Ï¯ÏÏ¯Î±Í°

DCà©à·¼ÎÎ§Î¿ÏÍ ÎÍ¢É»

MS1039-J-01

- 62 -

2009/06

▷