ASAHI KASEI [AK4125]
MS0379-J-01 2005/05
- 1 -





“

A
AK4125xµÂè¦wß´»ç±ïÓçè”įïÌ”» (SRC)pb{Ö—^•h 8kHz ∼ 216kHzw c
“tK”±ïÓçè”Äw¦”ߦ¹”µ› 8kHz ∼ 216kHzw±ïÓçè”Ät!õ`o Z—`‡
b{‡hz PLL›º`oS“zµè”Òˆ^ÌxÚµ»«é¿«› žAq`‡dœwpz ‡ ×t³ï
ÓçsÏ RUq•‡b{µ»´¦;+Ë ¤ïÅw§”¦”ߦ /DVD诔¼szŸs”±ïÓç
è”Ä›ËmÔ»å ïqw €;Mt7&pb{


›

Õ
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 I
2
S 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

PLL
PDN
SMUTE
OLRCK
OBICK
SDTO
OMCLK
Serial
Audio
I/F
SRC
Serial
Audio
I/F
ILRCK
SDTI
IBICK
PLL1
PLL2
IDIF2 IDIF1 IDIF0 ODIF1 ODIF0
OBIT1
OBIT0
UNLOCK IMCLK
AVDD AVSS DVDD DVSS
CMODE2 CMODE1 CMODE0
PLL0
DITHER


192kHz / 24Bit High Performance Asynchronous SRC
AK4125