AK4452VN Datasheet, PDF (9/91 Pages) Asahi Kasei Microsystems – 115dB 768kHz 32-bit 2ch Premium DAC

[AK4452]
No. Pin Name
I/O Function
PD State
26 TST6
- This pin must be connected to AVSS.
Hi-Z
27 TST7
- This pin must be connected to AVSS.
Hi-Z
28 LDOE
I
Internal LDO Enable Pin.
“L”: Disable, “H”: Enable
Hi-Z
29 TVDD
- Digital Power Supply Pin, 3.0V3.6V
－
30 DVSS
- Digital Ground Pin
－
31 VDD18
O
LDO Output Pin
This pin should be connected to DVSS with 1µF.
(Note 4)
Power-Down & Reset Pin
32 PDN
I When “L”, the AK4452 is powered-down and the control registers Hi-Z
are reset to default state.
Note 2. All input pins except internal pull-up/down pins must not be allowed to float.
Note 3. PCM mode and DSD mode are controlled by registers. Daisy Chain mode is controlled by both
registers and pins.
Note 4. This pin outputs DVSS when the LDOE pin = “H” and Hi-z when the LDOE pin = “L”.
■ Handling of Unused Pin
The unused I/O pins must be connected appropriately.
Classification Pin Name
Analog
AOUTL1P/N, AOUTR1P/N
AOUTL2P/N, AOUTR2P/N
Digital
DZF
Setting
These pins must be open.
This pin must be open.
Rev. 0.1
2014/04
-9-