AK4631 Datasheet, PDF (1/69 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP

ASAHI KASEI
[AK4631]
AK4631
16-Bit ∆Σ Mono CODEC with ALC & MIC/SPK-AMP
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AK4631͸ϚΠΫΞϯϓɺεϐʔΧΞϯϓΛ಺ଂͨ͠16bit ϞϊϥϧCODECͰ͢ɻೖྗʹ͸ϚΠΫΞϯ
ϓͼٴALC(Automatic Level Control)ճ࿏Λ಺ଂ͠ɺग़ྗʹ͸εϐʔΧΞϯϓΛ಺ଂ͓ͯ͠ΓɺDSC౳
ͰͷಈըԻ੠༻్ʹ࠷దͰ͢ɻεϐʔΧΞϯϓ͸ѹిεϐʔΧʹ΋ରԠ͍ͯ͠·͢ɻύοέʔδ͸28pin
QFNΛ࠾༻ɺ࣮૷໘ੵΛେ෯ʹ࡟͢·͠ݮɻ
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1. 16-Bit Delta-Sigma Mono CODEC
2. ࿥Իଆػೳ
• 1ch Mono Input
• ϚΠΫ༻ήΠϯΞϯϓ಺ଂ (0dB, 20dB, 26dB or 32dB)
• ALCػೳ෇͖IPGA ಺ଂ (-8dB ∼ +27.5dB, 0.5dB Step)
• ADCಛੑ : S/(N+D) : 80dB, DR, S/N : 85dB
3. ࠶ੜଆػೳ
• Digital Volume಺ଂ (+12dB ∼ -115dB, 0.5dB Step, Mute)
• Mono Line Output: S/(N+D) : 85dB, S/N : 93dB
• Mono Speaker-Amp಺ଂ
- SPK-AMPಛੑ : S/(N+D) : 50dB, S/N : 90dB (240mW@ 8Ω,ग़ྗ࣌)
- BTL઀ଓ
- ѹిεϐʔΧରԠ
- ALC(Automatic Level Control) ճ࿏಺ଂ
- ఆ֨ग़ྗ : 250mW @ 8Ω&SVDD=3.3V
3.0Vrms@SVDD=5V
• BeepԻೖྗՄೳ
4. ύϫʔϚωδϝϯτػೳ
5. PLL Mode:
• प೾਺ : 11.2896MHz, 12MHz, 12.288MHz, 13.5MHz, 24MHz, 27MHz (MCKI pin)
1fs (FCK pin)
16fs, 32fs or 64fs (BICK pin)
6. EXT Mode:
• ೖྗप೾਺ : 256fs, 512fs or 1024fs (MCKI pin)
7. Sampling Rate:
• PLL Slave Mode (FCK pin) : 7.35kHz ~ 26kHz
• 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
• EXT Slave Mode:
7.35kHz ~48kHz (256fs), 7.35kHz ~ 26kHz (512fs), 7.35kHz ~13kHz (1024fs)
8. Output Master Clock Frequency: 256fs
9. γϦΞϧµPΠϯλϑΣʔε : 3ઢγϦΞϧ
10. Ϛελ/εϨʔϒϞʔυ
MS0317-J-01
-1-
2004/11