AK4490EN Datasheet, PDF (8/68 Pages) Asahi Kasei Microsystems – Premium 32-Bit 2ch DAC

[AK4490EN]
■ Handling of Unused Pin
The unused I/O pins should be processed appropriately as below.
(1) Parallel Mode (PCM Mode only)
Classification Pin Name
Analog
AOUTLP, AOUTLN
AOUTRP, AOUTRN
Digital
I2C
Setting
These pins must be open.
These pins must be open.
This pin must be connected to DVSS or open.
(2) Serial Mode
1. PCM Mode
Classification Pin Name
Analog
AOUTLP, AOUTLN
AOUTRP, AOUTRN
DEM1
DEM0
Digital
SMUTE/CSN
DZFL, DZFR
Setting
These pins must be open.
These pins must be open.
This pin must be connected to DVSS or open.
This pin must be connected to TVDD or open.
This pin must be connected to TVDD or DVSS,
when this pin is I2C=“H”.
These pins must be open.
2. DSD Mode
Classification Pin Name
Analog
AOUTLP, AOUTLN
AOUTRP, AOUTRN
DEM1
DEM0
Digital
SMUTE/CSN
DZFL, DZFR
Setting
These pins must be open.
These pins must be open.
This pin must be connected to DVSS or open.
This pin must be connected to TVDD or open.
This pin must be connected to TVDD or DVSS,
when this pin is I2C=“H”.
These pins must be open.
3. EXDF Mode
Classification
Analog
Digital
Pin Name
AOUTLP, AOUTLN
AOUTRP, AOUTRN
DEM1
DEM0
SMUTE/CSN
DZFL, DZFR
Setting
These pins must be open.
These pins must be open.
This pin must be connected to DVSS or open.
This pin must be connected to TVDD or open.
This pin must be connected to TVDD or DVSS,
when this pin is I2C=“H”.
These pins must be open.
pull-up pin List
pull-up pin
14, 16
pull-down pin List
pull-down pin
15, 17, 18
015013666-E-01
-8-
2015/12