[ASAHI KASEI]
[AK7740ET]
5-3) Audio interface
(AVDD=DVDD=3.0V~3.6V,Ta=-10~70°C,CL=20pF)
Parameter
Symbol
Min
Typ
Max
Unit
Slave mode
BITCLK frequency
fBCLK
tBCLKL
tBCLKH
tBLRD
tLRBD
tLRD
48
150
150
40
64
fs
ns
ns
ns
ns
ns
BITCLK low level width
BITCLK high level width
Delay time from BITCLK"↑" to LRCLK
Delay time from LRCLK to BITCLK "↑"
Delay time from LRCLK to serial data
output
40
80
80
Delay time from BITCLK to serial data
output
tBSOD
ns
Serial data input latch hold time
tBSIDS
tBSIDH
40
40
ns
ns
Serial data input latch setup time
Master mode
BITCLK frequency
fBCLK
64
50
fs
%
ns
ns
ns
BITCLK duty factor
tBLRD
tLRBD
tLRD
40
40
Delay time from BITCLK"↑" to LRCLK
Delay time from LRCLK to BITCLK"↑"
Delay time from LRCLK to serial data
output
Delay time from BITCLK to serial data
output
Serial data input latch hold time
Serial data input latch setup time
80
80
tBSOD
ns
tBSIDS
tBSIDH
40
40
ns
ns
<Pre-E-01>
- 12 -
2006/10
AKM [ ASAHI KASEI MICROSYSTEMS ]
