AK4688EN Datasheet, PDF (1/36 Pages) Asahi Kasei Microsystems – Asynchronous Stereo CODEC with Capless Line I/O

[AK4688]
AK4688
Asynchronous Stereo CODEC with Capless Line I/O
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AK4688͸1νοϓεςϨΦCODECͰ͢ɻ಺ଂ͢ΔADC/DACͷΠϯλʔϑΣʔε͸24bit·Ͱͷೖग़ྗσ
ʔλͱඇಉظಈ࡞ʹରԠ͍ͯ͠·͢ɻϥΠϯೖྗʹରԠͨ͠ೖྗϓϦΞϯϓ͸֎෇͚఍߅ʹΑΓೖྗϨ
ϯδΛࣗ༝ʹઃఆՄೳͰ͢ɻ಺ଂͷνϟʔδϙϯϓʹΑΓ3.3Vͷ୯ҰిͰݯάϥϯυϦϑΝϨϯεͷ
2Vrmsೖग़ྗʹରԠ͠ɺACΧοϓϦϯάΩϟύγλ΍ϛϡʔτճ࿏ͳͲͷ֎෇͚෦඼Λ࡟͢ݮΔ͜ͱ͕
Ͱ͖·͢ɻAK4688͸ADCʹ99dBɺDACʹ105dBͷμΠφϛοΫϨϯδΛ࣋ͪɺBlu-ray ϨίʔμͳͲ
ͷσΟδλϧϨίʔσΟϯάγεςϜ΍σΟδλϧ̩̫ɺϗʔϜγΞλʔγεςϜʹ࠷దͰ͢ɻ
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† ADC, DACඇಉظಈ࡞ରԠ
† ϥΠϯೖྗ༻ ΩϟοϓϨεεςϨΦϓϦΞϯϓ
† 2ch 24bit ADC
- 64ഒΦʔόαϯϓϦϯά
- αϯϓϦϯάप೾਺: ࠷େ48kHz
- ௚ઢҐ૬σΟδλϧϑΟϧλ಺ଂ
- S/(N+D): 83dB
- μΠφϛοΫϨϯδ, S/N: 99dB
- ΦϑηοτΩϟϯηϧ༻σΟδλϧHPF
† 2ch 24bit DAC
- 128ഒΦʔόαϯϓϦϯά
- αϯϓϦϯάप೾਺: ࠷େ192kHz
- 24Ϗοτ8ഒσΟδλϧϑΟϧλ
- S/(N+D): 95dB
- μΠφϛοΫϨϯδ, S/N: 105dB
- σΟΤϯϑΝγεϑΟϧλ಺ଂ
ڧ †δολ଱ྗ
† ϚελΫϩοΫೖྗ:
256fs, 384fs, 512fs 768fs (fs=32kHz ∼ 48kHz)
128fs, 192fs, 256fs 384fs (fs=64kHz ∼ 96kHz)
128fs, 192fs (fs=128kHz ~ 192kHz)
† 2ϙʔτΦʔσΟΦI/F (PORT1, PORT2)
- Ϛελ/εϨʔϒϞʔυରԠ(PORT1)
- I/FϑΥʔϚοτ:
લ٧Ί, ޙ٧Ί(16bit, 24bit), I²S (PORT1, PORT2)
† ϋʔυ΢ΣΞ ίϯτϩʔϧ/ I²C-bus ίϯτϩʔϧରԠ
ిݯి†ѹ:
- Digital I/O and Charge Pump: 3.0V ∼ 3.6V
- ADC Analog: 3.0V ∼ 3.6V
- DAC Analog: 3.0V ∼ 3.6V
† ύοέʔδ: 36pin QFN
MS1420-J-00
-1-
2012/05