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AK2301BX Datasheet, PDF (7/23 Pages) Asahi Kasei Microsystems – 3.3V Linear PCM CODEC LSI with PLL & Voltage Detector | |||
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ASAHI KASEI
[AK2301BX]
â ACç¹æ§
âPCMã¤ã³ã¿ã¼ãã§ã¼ã¹ (Lomg Frame, Short Frame)
ç¹è¨ãªãå ´åãTa=-40 to +85â, VDD = 3.0~3.6V, VSS = 0V, FS=8kHzã«ããã¦ã®å®ç¾©ã¨ãªãã¾ããå
¨ã¦ã®
åºåãã³ã®ã¿ã¤ãã³ã°ãã©ã¡ã¼ã¿ã¯VOH = 0.8VDDåã³VOL = 0.4Vã«ã¦æ¸¬å®ããã¾ããå
¨ã¦ã®å
¥åãã³ã®ã¿
ã¤ãã³ã°ãã©ã¡ã¼ã¿ã¼ã¯VIH = 0.7VDDåã³VIL = 0.3VDDã«ã¦æ¸¬å®ããã¾ãã
ãã©ã¡ã¼ã¿
è¨å· Min Typ Max åä½ åç
§å³
FS Frequency
BCLK Frequency
BCLK Pulse Width (High/Low)
Rising/Falling Time: (BCLK,FS, DX,DR)
Hold Time: BCLK Low to FS High
fPF
fPB
tWBH
tWBL
tRB
tFB
tHBF
-1.0% 8 +1.0% kHz
-
32FS/
64FS
-
kHz
0.4/ fPB - 0.6/ fPB Sec
40 ns
60
ns
å³1, 2
Setup Time: FS High to BCLK Low
tSFB
60
ns
Setup Time: DR to BCLK Low
tSDB
60
ns
Hold Time: BCLK Low to DR
Delay Time: BCLK High to DX valid
tHBD
60
注1ï¼ tDBD
ns
60 ns
Long Frame
Hold Time: 2nd period of BCLK Low to FS Low
tHBFL
60
Delay Time: FS or BCLK High, whichever is later,to DX valid
注1ï¼
tDZFL
FS Pulse Width Low
tWFSL
1
ns
60 ns å³1
BCLK
Short Frame
Hold Time: BCLK Low to FS Low
Setup Time: FS Low to BCLK Low
ï¼æ³¨ï¼ï¼50pFã®è² è·å®¹éãåã³0.2mAé§åæ
âI2Sã¤ã³ã¿ã¼ãã§ã¼ã¹
ãã©ã¡ã¼ã¿
BCLK Pulse Width (High/Low)
Setup Time: DR to BCLK High
Hold Time: BCLK High to DR
Delay Time: BCLK lLow to DX valid
ï¼æ³¨2ï¼50pFã®è² è·å®¹éãåã³0.2mAé§åæ
âPLL
ãã©ã¡ã¼ã¿
tHBFS
60
tSFBS
60
ns
å³2
ns
注2)
è¨å· Min
tWBH
tWBL
60
tSDB
60
tHBD
60
tDBD
Typ Max åä½ åç
§å³
ns
ns
å³3
ns
60 ns
è¨å· Min Typ Max åä½ åç
§å³
MCLK Pulse Width (High/Low)
tMWH
tMWL
PLLOUT Pulse Width (High/Low)
注3)
tPLLWH
tPLLWL
ï¼æ³¨3ï¼20pFã®è² è·å®¹éãåã³0.2mAé§åæã 0.5 à VDDã§å®ç¾©
11.5
0.4 Ã 0.5 Ã
tPLLCYC tPLLCYC
ns
å³4
ns
<MS0599-J-00>
7
2007/2
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