AK5578EN Datasheet, PDF (22/70 Pages) Asahi Kasei Microsystems – 8-Channel Differential 32-bit  ADC

[AK5578]
(Ta= 40 - +105 C; AVDD= 4.75-5.25 V, TVDD= 1.7-1.98 V (LDOE pin=“L”) or 3.0-3.6 V (LDOE pin=“H”),
VDD18= 1.7-1.98 V (LDOE pin=“L”), C_L= 10 pF)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Audio Interface Timing (Master mode) (Figure 22)
Normal mode (TDM1-0 bits = “00”)
(8 kHz  fs  216 kHz)
BICK Period
Normal Speed mode
Double Speed mode
Quad Speed mode
BICK Duty
tBCK
-
1/64fsn
-
ns
tBCK
-
1/64fsd
-
ns
tBCK
-
1/64fsq
-
ns
dBCK
-
50
-
%
BICK “↓” to LRCK Edge
tMBLR
20
-
20
ns
BICK “↓”to SDTO1/2/3/4
tBSD
20
-
20
ns
Normal mode (TDM1-0 bits = “00”)
(fs = 384kHz, 768 kHz)
(LDOE pin = ”H”)
BICK Period
Oct speed mode
tBCK
-
1/64fso
-
ns
Hex speed mode
tBCK
-
1/64fsh
-
ns
BICK Duty
dBCK
-
50
-
%
BICK “↓” to LRCK Edge
tMBLR
4
-
4
ns
BICK “↓” to SDTO1/2/3/4
tBSD
4
-
4
ns
Normal mode (TDM1-0 bits = “00”)
(fs = 384 kHz,768 kHz)
(LDOE pin = ”L”)
BICK Period
Oct speed mode
tBCK
-
1/64fso
-
ns
Hex speed mode
tBCK
-
1/48fsh
-
ns
BICK Duty
dBCK
-
50
-
%
BICK “↓” to LRCK Edge
tMBLR
5
-
5
ns
BICK “↓” to SDTO1/2/3/4
tBSD
5
-
5
ns
Note 18. When the 1024fs, 512fs or 768fs /256fs or 384fs /128fs or 192fs are switched, the AK5578
should be reset by the PDN pin or RSTN bit.
015016736-E-00
- 22 -
2015/12