參數(shù)資料
型號(hào): AK2301A
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 3.3V Single channel PCM CODEC LSI
中文描述: 3.3單聲道的PCM CODEC芯片
文件頁(yè)數(shù): 6/20頁(yè)
文件大?。?/td> 158K
代理商: AK2301A
ASAHI KASEI
AK2301A
PCM INTERFACE
(Lomg Frame, Short Frame)
All timing parameters of the output pins are measured at VOH = 0.8VDD and VOL = 0.4V. Input pins
are measured at VIH = 0.7VDD and VIL = 0.3VDD.
AC Characteristics
Parameter
<MS0300-E-00>
6
2004/3
Symbol
Min
Typ
Max
Unit Ref Fig
FS Frequency
f
PF
-1.0%
8
+1.0% kHz
BCLK Frequency
f
PB
-
32FS/
64FS
-
kHz
BCLK Pulse Width (High/Low) (BCLK=32
×
FS=256kHz)
t
WBH
t
WBL
t
WBH
t
WBL
t
RB
t
FB
t
HBF
1.563
1.953
2.344
μ
s
BCLK Pulse Width (High/Low) (BCLK=64
×
FS=512kHz)
0.781
0.977
1.172
μ
s
Rising/Falling Time: (BCLK,FS0,FS1,DX0,DX1,DR0,DR1)
40
ns
Hold Time: BCLK Low to FS High
60
ns
Setup Time: FS High to BCLK Low
t
SFB
60
ns
Setup Time: DR to BCLK Low
t
SDB
60
ns
Hold Time: BCLK Low to DR
t
HBD
60
ns
Delay Time: BCLK High to DX valid
Note1
t
DBD
60
ns
Delay Time: BCLK High to DX High-Z
Note1
t
DZC
60
ns
Fig1, 2
Long Frame
Hold Time: 2
nd
period of BCLK Low to FS Low
t
HBFL
60
ns
Delay Time: FS or BCLK High, whichever is later,to DX valid
1
t
DZFL
60
ns
FS Pulse Width Low
t
WFSL
1
BCLK
Fig1
Short Frame
Hold Time: BCLK Low to FS Low
t
HBFS
60
ns
Setup Time: FS Low to BCLK Low
Note1) Measured with 50pF load capacitance and 0.2mA drive.
t
SFBS
60
ns
Fig2
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