AK4125 Datasheet, PDF (1/26 Pages) Asahi Kasei Microsystems – 192kHz / 24Bit High Performance Asynchronous SRC

ASAHI KASEI
[AK4125]
AK4125
192kHz / 24Bit High Performance Asynchronous SRC
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AK4125͸εςϨΦͷσΟδλϧαϯϓϧϨʔτίϯόʔλ(SRC)Ͱ͢ɻೖྗ͞Εͨ8kHz ∼ 216kHzͷൣ
ғʹ͋ΔαϯϓϧϨʔτͷΦʔσΟΦιʔεΛ8kHz ∼ 216kHzͷαϯϓϧϨʔτʹมͯ͠׵ग़ྗ͠·
͢ɻ·ͨɺPLLΛ಺ଂ͓ͯ͠ΓɺεϨʔϒಈ࡞࣌͸ϚελΫϩοΫΛඞཁͱ͠·ͤΜͷͰɺඇৗʹγϯ
ϓϧͳߏ੒͕ͱΕ·͢ɻελδΦثػ΍ϋΠΤϯυͷΧʔΦʔσΟΦ/DVDϨίʔμ౳ɺҟͳΔαϯϓϧ
ϨʔτΛ࣋ͭσʔλϥΠϯͱͷ઀ଓ༻్ʹ࠷దͰ͢ɻ
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1. SRC
• Asynchronous Sample Rate Converter
• Input Sample Rate Range (fsi): 8kHz ∼ 216kHz
• Output Sample Rate Range (fso): 8kHz ∼ 216kHz
• Input to Output Sample Rate Ratio: 1/6 to 6
• THD+N: −130dB
• Dynamic Range: 140dB (A-weighted)
• I/F format: MSB justified, LSB justified and I²S compatible
• PLL for Internal Operation Clock
• Clock for Master mode: 128/192/256/384/512/768fsi, 128/192/256/384/512/768fso
• SRC Bypass mode
• Soft Mute Function
2. Power Supply
• AVDD, DVDD: 3.0 ∼ 3.6V (typ. 3.3V)
3. Ta = −40 ∼ 85°C
4. Package: 30pin VSOP
5. AK4124 Pin-compatible
IDIF2 IDIF1 IDIF0 AVDD AVSS DVDD DVSS ODIF1 ODIF0
IBICK
ILRCK
SDTI
PLL2
PLL1
PLL0
Serial
Audio
I/F
PLL
SRC
Serial
Audio
I/F
OBIT1
OBIT0
OLRCK
OBICK
SDTO
OMCLK
PDN
SMUTE
DITHER
MS0379-J-01
UNLOCK IMCLK
CMODE2 CMODE1 CMODE0
-1-
2005/05