AK5385A Datasheet, PDF (16/24 Pages) Asahi Kasei Microsystems – 24BIT 192KHZ ADC

ASAHI KASEI
[AK5385A]
n
HPF
ADC DC
HPF
fs
HPFE pin
DC
“L”)
HPF ON/OFF
HPF fc fs=48kHz 1.0Hz
HPF ON/OFF
(PDN pin =
n
AK5385A
(−0.3dBFS ) OVF pin “H”
(GD = 43.2/fs = 0.9ms@fs=48kHz)
516/fs(=10.75ms@fs=48kHz) OVF pin “L”
Lch
Rch
OVF
ADC
(PDN pin = “L” → “H”)
n
AK5385A PDN pin “L”
AVSS
SDTO 516 × LRCK
“0”
ADC
)
PDN pin “L”
MCLK
LRCK
)
ADC
PDN pin “H”
(
Mode 1
(1)
VCOM
2’s
(
PDN
Internal
State
A/D In
(Analog)
A/D Out
(Digital)
Normal Operation
GD ₍₂₎
Power-down
Idle Noise
(3)
“0”data
Initialize
“0”data
Clock In
MCLK,LRCK,BICK
Notes:
(1)
(2)
(3)
(4)
517/fs
ADC
“0”
(MCLK, BICK, LRCK)
(4)
516/fs
(GD)
Figure 3. Power-down/up sequence example
Normal Operation
GD
Idle Noise
MS0265-J-01
- 16 -
2003/11