AK4343VN Datasheet, PDF (1/99 Pages) Asahi Kasei Microsystems – Stereo DAC with HP/RCV/SPK-AMP

[AK4343]
AK4343
Stereo DAC with HP/RCV/SPK-AMP
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AK4343͸ϔουϑΥϯΞϯϓɺϨγʔόΞϯϓ͓Αͼ1.2Wग़ྗͷεϐʔΧΞϯϓΛ಺ଂͨ͠εςϨΦ
DACͰ͢ɻΞφϩάϛΩγϯάճ࿏ͱPLLΛ಺ଂ͓ͯ͠ΓɺPMP(ϙʔλϒϧϚϧνϝσΟΞϓϨʔϠ)
΍ܞଳి࿩༻్ͷγεςϜͱ༰қʹΠϯλϑΣʔεΛऔΔ͜ͱ͕ՄೳͰ͢ɻύοέʔδ͸খܕͷ32pin
QFNΛ࠾༻ɺैདྷγεςϜͱൺֱ࣮ͯ͠૷໘ੵΛେ෯ʹ࡟͢·͠ݮɻ
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1. ࠶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࿏
• εςϨΦϥΠϯग़ྗ
• Programmable EQ
- ಛੑ: S/(N+D): 88dB, S/N: 92dB
• ϞϊϥϧϨγʔόΞϯϓ಺ଂ
- BTL Output
- ఆ֨ग़ྗ: 30mW@32Ω (AVDD=3.3V)
• εςϨΦϔουϑΥϯΞϯϓ಺ଂ
- HP-AMPಛੑ: S/(N+D): 70dB@7.5mW, S/N: 90dB
- ఆ֨ग़ྗ: 70mW@16Ω (HVDD=5V), 62mW@16Ω (HVDD=3.3V)
- ݯిON/OFF࣌ΫϦοΫϊΠζϑϦʔ
• ϞϊϥϧεϐʔΧΞϯϓ಺ଂ
- SPK-AMPಛੑ: S/(N+D): 50dB@240mW, S/N: 90dB
- BTL઀ଓ
- ѹిεϐʔΧରԠ
- ఆ֨ग़ྗ: 1.2W@8Ω (HVDD=5V), 400mW@8Ω (HVDD=3.3V)
3.0Vrms@50Ω (HVDD=5V)
• ΞφϩάϛΩγϯά:
- 3εςϨΦೖྗ
- ήΠϯΞϯϓ಺ଂ (+32dB/+26dB/+20dB or 0dB)
2. ύϫʔϚωδϝϯτػೳ
3. 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)
4. ϚελΫϩοΫग़ྗप೾਺: 32fs/64fs/128fs/256fs
5. αϯϓϦϯάप೾਺:
• PLL Slave Mode (LRCK pin): 7.35kHz ∼ 48kHz
• PLL Slave Mode (BICK pin): 7.35kHz ∼ 48kHz
• PLL Slave Mode (MCKI pin):
8kHz, 11.025kHz, 12kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz
• PLL Master Mode:
8kHz, 11.025kHz, 12kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz
MS0478-J-02
-1-
2010/11