AK4647VQ Datasheet, PDF (1/72 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP-AMP

ASAHI KASEI
[AK4647]
AK4647
Stereo CODEC with MIC/HP-AMP
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AK4647͸ϚΠΫΞϯϓͼٴϔουϑΥϯΞϯϓΛ಺ଂͨ͠εςϨΦCODECͰ͢ɻAK4647͸PLLΛ಺
ଂ͓ͯ͠Γɺଟ༷ͳγεςϜͱ༰қʹΠϯλϑΣʔεΛऔΔ͜ͱ͕ՄೳͰ͢ɻύοέʔδ͸খܕͷ48pin
LQFPΛ࠾༻ɺैདྷγεςϜͱൺֱ࣮ͯ͠૷໘ੵΛେ෯ʹ࡟͢·͠ݮɻ
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1. ࿥Իଆػೳ
• εςϨΦϚΠΫೖྗ(ࠩಈ or γϯάϧΤϯυೖྗ)
• εςϨΦϥΠϯೖྗ
• ϚΠΫ༻ήΠϯΞϯϓ಺ଂ (+32dB/+26dB/+20dB or 0dB)
• Digital ALC (Automatic Level Control) ճ࿏಺ଂ
(+36dB ∼ −54dB, 0.375dB Step, Mute)
• ADCಛੑ: S/(N+D): 83dB, DR, S/N: 86dB (MIC-Amp=+20dB)
S/(N+D): 88dB, DR, S/N: 95dB (MIC-Amp=0dB)
• ෩੾ΓԻϑΟϧλ
• εςϨΦڧײௐճ࿏
• Programmable EQ
2. ࠶ੜଆػೳ
• σΟδλϧσΟΤϯϑΝγεϑΟϧλ (tc=50/15μs, fs=32kHz, 44.1kHz, 48kHz)
• όεϒʔετ
• ιϑτϛϡʔτ
• σΟδλϧϘϦϡʔϜ಺ଂ (+12dB ∼ −115.0dB, 0.5dB Step, Mute)
• Digital ALC (Automatic Level Control) ճ࿏಺ଂ
(+36dB ∼ −54dB, 0.375dB Step, Mute)
• εςϨΦڧײௐճ࿏
• Programmable EQ
• εςϨΦϥΠϯग़ྗ
- ಛੑ: S/(N+D): 88dB, S/N: 92dB
• εςϨΦϔουϑΥϯΞϯϓ಺ଂ
- HP-AMPಛੑ: S/(N+D): 70dB, S/N: 90dB
- ఆ֨ग़ྗ: 62mW@16Ω (HVDD=3.3V)
- ݯిON/OFF࣌ΫϦοΫϊΠζϑϦʔ
• ΞφϩάϛΩγϯά: Ϟϊϥϧೖྗ
3. ύϫʔϚωδϝϯτػೳ
4. ϚελΫϩοΫ:
(1) PLLϞʔυ
• प೾਺: 11.2896MHz,12MHz,12.288MHz,13.5MHz,24MHz,27MHz (MCKI pin)
1fs (LRCK pin)
32fs or 64fs (BICK pin)
(2) ֎෦ΫϩοΫϞʔυ
• प೾਺: 256fs, 512fs or 1024fs (MCKI pin)
5. ϚελΫϩοΫग़ྗप೾਺: 32fs/64fs/128fs/256fs
MS0566-J-00
-1-
2006/11