AK5554 Datasheet, PDF (54/68 Pages) Asahi Kasei Microsystems – 4-Channel Differential 32-bit ADC

(3) Initialization cycle is 583/fs in slave mode and 578/fs in master mode.
(4) The ADC output data is “0” during initialization cycle and power-down mode.
(5) The digital output corresponding to analog input has group delay (GD).
Internal PDN Release Sequence
LDOE pin=H
parallel mode
PDN
MCLK
REF_PDN
Shutdown_SW_N
CNTUP_T
Internal_PDN
14336 MCLK (min 280usec MCLK=50Meg、max 7.2msec MCLK=2Meg)
[AK5554]
2048 MCLK
LDOE pin=H
PDN
MCLK　don't care
REF_PDN
Shutdown_SW_N
CNTUP_T
Internal_PDN
LDOE pin = L
PDN
MCLK
REF_PDN
Shutdown_SW_N
CNTUP_T
Internal_PDN
serial mode
14336 OSCCLK (min 380usec OSCCLK=37.5Meg、max 850usec OSCCLK=17Meg)
2048 OSCCLK
max 1msec
Figure 60. Internal PDN Release Sequence
015099864-E-00
- 54 -
2016/03