AK7746 Datasheet, PDF (14/62 Pages) Asahi Kasei Microsystems – Audio DSP with 5-channel 24-bit ADC and Input Mux

[ASAHI KASEI]
[AK7746]
5-3) Audio Interface
(AVDD=DVDD=3.0~3.6V,Ta=-40°C ~85°C,CL=20pF)
Parameter
Symbol
min
typ
max
Unit
Slave mode
BITCLK_I frequency
fBCLK
48
64
64
fs
Delay time from BITCLK_I"↑" to LRCLK_I
tBLRD
40
ns
Note1)
Delay time from LRCLK_I to BITCLK_I "↑" ^tLRBD
40
ns
Note1)
Delay time from LRCLK_O to serial data output tLRD
40
ns
Delay time from BITCLK_O to serial data output tBSOD
40
ns
Serial data input latch setup time
tBSIDS
40
ns
Serial data input latch hold time
tBSIDH
40
ns
Master mode
BITCLK_O frequency
fBCLK
64
fs
BITCLK_O duty factor
50
%
Delay time from LRCLK_O to serial data output tLRD
40
ns
Delay time from BITCLK_O to serial data output tBSOD
40
ns
Serial data input latch setup time
tBSIDS
40
ns
Serial data input latch hold time
tBSIDH
40
ns
Note 1) This feature is to avoid LRCLK_I edge and BITCLK_I "↑“edge.
[MS0369-E00]
- 14 -
2004/12