AK7714 Datasheet, PDF (15/48 Pages) Asahi Kasei Microsystems – 20-Bit Audio Codec with DSP and Delay RAM

[ASAHI KASEI]
[AK7714]
3) Audio interface
(AVDD = AVB, DVB, DVDD = 5.0 V ±5%,Ta = 25°C, CL = 20 pF)
Parameter
Symbol
Min
Typ
Max
Unit
Slave mode
BITCLK frequency
fBCLK
48
64
fs
BITCLK low level width
tBCLKL
100
ns
BITCLK high level width
tBCLKH
100
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 output tLRD
70
ns
Delay time from BITCLK to serial data output tBSOD
Serial data input latch hold time
tBSIDS
40
Serial data input latch setup time
tBSIDH
40
70
ns
ns
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 output tLRD
70
ns
Delay time from BITCLK to serial data output tBSOD
Serial data input latch hold time
tBSIDS
40
Serial data input latch setup time
tBSIDH
40
70
ns
ns
ns
M0018-E-00
- 15 -
‘98/07