|
AK2301 Datasheet, PDF (6/18 Pages) Asahi Kasei Microsystems – 3.3V シングルチャネルPCMコーデック LSI | |||
|
◁ |
ASAHI KASEI
[AK2301]
âPCMã¤ã³ã¿ãã§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
â ACç¹æ§
ãã©ã¡ã¼ã¿
è¨å· Min Typ Max åä½ åç
§å³
FS Frequency
BCLK Frequency
BCLK Duty Cycle
Rising/Falling Time: (BCLK,FS, DX,DR)
Hold Time: BCLK Low to FS High
Setup Time: FS High to BCLK Low
fPF -1.0% 8 +1.0% kHz
fPB
-
fPFÃ8N
(N=1~32)
-
kHz
tWB
40
60 %
tRB
tFB
40 ns
tHBF
60
tSFB
60
ns
å³1, 2
ns
Setup Time: DR to BCLK Low
tSDB
60
ns
Hold Time: BCLK Low to DR
tHBD
60
ns
Delay Time: BCLK High to DX valid
注1ï¼ tDBD
0
Delay Time: (A) BCLK Low to DX High-Z or (B) FS Low to DX
High-Z or (C) BCLK High to DX High-Z
注1ï¼
tDZC
0
Long Frame
60 ns
60 ns
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§å
tHBFS
60
tSFBS
60
ns
å³2
ns
<MS0416-J-02>
6
2013/05
|
▷ |