English
Language : 

AK4612EQ Datasheet, PDF (68/68 Pages) Asahi Kasei Microsystems – 6/8-Channel Audio CODEC
[AK4612]
Date (YY/MM/DD)
09/02/06
09/06/05
Revision
00
01
Reason
ॳ൛
࢓༷มߋ
վగཤྺ
Page Contents
10
Ξφϩάಛੑ
ADC Analog Input Characteristics (differential)
S/(N+D) fs=48kHz, -1dBFS: 89 → 88 (min)
ॏཁͳ஫ҙࣄ߲
• ຊॻʹ͞ࡌهΕͨ੡඼ɺͼٴɺ੡඼ͷ࢓༷ʹ͖ͭ·ͯ͠͸ɺ੡඼վળͷͨΊʹ༧ࠂͳ͘มߋ͢Δ͜
ͱ͕͋Γ·͢ɻै͍·ͯ͠ɺ͝࢖༻Λݕ౼ͷࡍʹ͸ɺຊॻʹͨ͠ࡌܝ৘ใ͕࠷৽ͷ΋ͷͰ͋Δ͜ͱ
ΛฐࣾӦ୲ۀ౰ɺ͋Δ͍͸ฐࣾಛ໿ళӦ୲ۀ౰ʹ֬͝ೝԼ͍͞ɻ
• ຊॻʹ͞ࡌܝΕͨ৘ใɾਤ໘ͷ࢖༻ʹىҼͨ͠ୈࡾऀͷॴ༗͢Δಛݖڐɺ޻ॴۀ༗ݖɺͦͷଞͷݖ
རʹର͢Δ৵֐ʹ͖ͭ·ͯ͠͸ɺ౰ࣾ͸ͦͷ੹೚Λෛ͏΋ͷͰ͸͋Γ·ͤΜͷͰɺྃ͝ঝԼ͍͞ɻ
• ຊॻࡌه੡඼͕ɺ֎ࠃҝସͼٴɺ֎ࠃ๵қ؅ཧ๏ʹఆΊΔઓུ෺ࢿ(໾຿ΛؚΉ)ʹ֘౰͢Δ৔߹ɺ༌
ग़͢Δࡍʹಉ๏ʹͮ͘ج༌ग़ڐՄ͕ඞཁͰ͢ɻ
• ҩྍثػɺ҆શ૷ஔɺߤۭӉ஦༻ثػɺͲͳثػ༻ޚ੍ྗࢠݪɺͦͷ૷ஔɾثػͷނো΍ಈ࡞ෆྑ
͕ɺ௚઀·ͨ͸ؒ઀Λ໰Θͣɺੜ໋ɺ਎ମɺࡒ࢈౳΁ॏେͳଛ֐Λ͕ͱ͜͢΅ٴ௨ৗ༧૝͞ΕΔΑ
ۃͳ͏Ίͯߴ͍৴པੑΛཁ͞ٻΕΔ༻్ʹฐࣾ੡඼Λ࢖༻͞ΕΔ৔߹͸ɺඞͣࣄલʹฐࣾ୅දऔక
໾ͷॻ໘ʹΑΔಉҙΛ͓औΓԼ͍͞ɻ
• ͜ͷಉҙॻΛಘͣʹ͜͏ͨ͠༻్ʹฐࣾ੡඼Λ࢖༻͞Εͨ৔߹ɺฐࣾ͸ɺͦͷ࢖༻͔ΒੜͣΔଛ֐
౳ͷ੹೚ΛҰ੾ෛ͏΋ͷͰ͸͋Γ·ͤΜͷͰྃ͝ঝԼ͍͞ɻ
• ͓٬༷ͷసച౳ʹΑΓ͜ͷ஫ҙࣄ߲ͷଘࡏΛ஌Βͣʹ্ʹ్༻هฐࣾ੡඼͕࢖༻͞Εɺͦͷ࢖༻͔
Βଛ֐౳͕ੜͨ͡৔߹͸શ͓ͯ٬༷ʹͯ͝ෛ୲·ͨ͸ิঈͯ͠௖͖·͢ͷͰྃ͝ঝԼ͍͞ɻ
MS1039-J-01
- 68 -
2009/06