AK7744VT Datasheet, PDF (13/50 Pages) Asahi Kasei Microsystems – 24bit 3ch ADC + 24bit 4ch DAC with Audio DSP

[ASAHI KASEI]
[AK7744]
5-3) Audio interface
(AVDD=DVDD=3.0V~3.6V,Ta=-40~85°C,CL=20pF)
Parameter
Symbol
min
typ
max
Unit
Slave mode
BITCLK frequency
fBCLK
48
64
fs
BITCLK low level width
tBCLKL
150
ns
BITCLK high level width
tBCLKH
150
ns
Delay time from BITCLK"↑" to LRCLK tBLRD
40
ns
Delay time from LRCLK to BITCLK "↑" tLRBD
40
ns
Delay time from LRCLK to serial data tLRD
80
ns
output
Delay time from BITCLK to serial data tBSOD
80
ns
output
Serial data input latch hold time
tBSIDS
40
ns
Serial data input latch setup time
tBSIDH
40
ns
Master mode
BITCLK frequency
fBCLK
64
fs
BITCLK duty factor
50
%
Delay time from BITCLK"↑" to LRCLK tBLRD
40
ns
Delay time from LRCLK to BITCLK"↑" tLRBD
40
ns
Delay time from LRCLK to serial data tLRD
80
ns
output
Delay time from BITCLK to serial data tBSOD
80
ns
output
Serial data input latch hold time
tBSIDS
40
ns
Serial data input latch setup time
tBSIDH
40
ns
<MS0167-E-00>
- 13 -
2002/10