AK2300 Datasheet, PDF (6/19 Pages) Asahi Kasei Microsystems – 3.3V Single channel PCM CODEC LSI

[AK2300]
PCM INTERFACE (Long Frame, Short Frame)
All timing parameters of the output pins are measured at VOH = 0.8LVDD and VOL = 0.4V. Input pins
are measured at VIH = 0.7LVDD and VIL = 0.3LVDD.
AC Characteristics
Parameter
Symbol Min Typ Max Unit Ref Fig
FS Frequency
BCLK Frequency
BCLK Duty Cycle
Rising/Falling Time: (BCLK,FS, DX,DR)
Hold Time: BCLK Low to FS High
f_PF -1.0% 8 +1.0% kHz
f_PB
-
fPF×8N
(N=1~32)
-
kHz
t_WB
40
t_RB
t_FB
t_HBF
60
60 %
40 ns
ns
Setup Time: FS High to BCLK Low
Setup Time: DR to BCLK Low
Hold Time: BCLK Low to DR
t_SFB
20
t_SDB
20
t_HBD
60
ns
ns
Fig1,2,
3,4
ns
FS Pulse Width Low
t_WFSL
1
Delay time: FS or BCLK High, whichever is later,to DX valid
Note1)
T_DZFL
Hold time: BCLK Low to FS Low
T_HBFS
60
BCLK
60 ns
ns
Setup time: FS Low to BCLK Low
T_SFBS
20
ns
Delay Time: BCLK High to DX valid
Note1) t_DBD
0
Note1) Measured with 50pF load capacitance and 0.2mA drive.
60 ns
<MS0998-E-00>
6
2008/9