AK4642VN Datasheet, PDF (1/82 Pages) Asahi Kasei Microsystems – 16-Bit ΔΣ Stereo CODEC with MIC/HP/SPK-AMP

ASAHI KASEI
[AK4642]
AK4642
16-Bit ∆Σ Stereo CODEC with MIC/HP/SPK-AMP
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AK4642͸ϔουϑΥϯɺεϐʔΧΞϯϓΛ಺ଂͨ͠16bitεςϨΦCODECͰ͢ɻೖྗʹ͸ϚΠΫΞϯ
ϓͼٴALC(Auto Level Control)ճ࿏Λ಺ଂ͠ɺग़ྗʹ͸ϔουϑΥϯΞϯϓͼٴεϐʔΧΞϯϓΛ಺ଂ
͓ͯ͠Γɺ࿥࠶ػೳ෇͖ϙʔλϒϧ࠷ʹ్༻ثػదͰ͢ɻύοέʔδ͸খܕͷ32pin QFNΛ࠾༻ɺैདྷ
2∼3νοϓͰߏ੒͞ΕͨγεςϜͱൺֱ࣮ͯ͠૷໘ੵΛେ෯ʹ࡟͢·͠ݮɻ
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1. ෼ղೳ: 16bits
2. ࿥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࿏
3. ࠶ੜଆػೳ
• σΟδλϧσΟΤϯϑΝγεϑΟϧλ (tc=50/15µs, fs=32kHz, 44.1kHz, 48kHz)
• σΟδλϧϘϦϡʔϜ಺ଂ (+12dB ∼ −115.0dB, 0.5dB Step, Mute)
• Digital ALC (Automatic Level Control) ճ࿏಺ଂ
(+36dB ∼ −54dB, 0.375dB Step, Mute)
• εςϨΦڧײௐճ࿏
• εςϨΦϥΠϯग़ྗ
- ಛੑ: S/(N+D): 88dB, S/N: 92dB
• εςϨΦϔουϑΥϯΞϯϓ಺ଂ
- HP-AMPಛੑ: S/(N+D): 70dB, S/N: 90dB
- ఆ֨ग़ྗ: 15mW@16Ω (HVDD=3.3V)
- ݯిON/OFF࣌ΫϦοΫϊΠζϑϦʔ
• ϞϊϥϧεϐʔΧΞϯϓ಺ଂ
- SPK-AMPಛੑ: S/(N+D): 50dB@240mW, S/N: 90dB
- BTL઀ଓ
- ѹిεϐʔΧରԠ
- ఆ֨ग़ྗ: 400mW@8Ω (HVDD=3.3V)
3.0Vrms@50Ω (HVDD=5V)
• ϏʔϓԻೖྗՄೳ
4. ύϫʔϚωδϝϯτػೳ
5. 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)
6. ϚελΫϩοΫग़ྗप೾਺: 32fs/64fs/128fs/256fs
MS0358-J-02
-1-
2005/04