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AK4490EN Datasheet, PDF (7/68 Pages) Asahi Kasei Microsystems – Premium 32-Bit 2ch DAC
[AK4490EN]
17 DEM1
De-emphasis Enable 1 Pin in Parallel Control Mode (PSN=“H”)
I
(Internal pull-down pin)
ACKS
18
CAD1
19 NC
Master Clock Auto Setting Mode Pin in Parallel Mode (PSN=“H”)
I “L”: Manual Setting Mode, “H”: Auto Setting Mode
(Internal pull-down pin)
Chip Address 1 Pin in Serial Control Mode (PSN=“L”)
I
(Internal pull-down pin)
No internal bonding.
- Connect to GND.
20 VREFHR
I Rch High Level Voltage Reference Input Pin
21 VREFHR
I Rch High Level Voltage Reference Input Pin
22 VREFLR
I Rch Low Level Voltage Reference Input Pin
23 VREFLR
I Rch Low Level Voltage Reference Input Pin
24 VCOMR
Right channel Common Voltage Pin,
- Normally connected to VSS with a 10μF electrolytic cap.
25 AOUTRP
O Rch Positive Analog Output Pin
26 AOUTRN
O Rch Negative Analog Output Pin
27 VDDR
- Rch Analog Power Supply Pin, 4.75  5.25V
28 VDDR
- Rch Analog Power Supply Pin, 4.75  5.25V
29 VSSR
- Ground Pin
30 VSSR
- Ground Pin
31 VSSL
- Ground Pin
32 VSSL
- Ground Pin
33 VDDL
- Lch Analog Power Supply Pin, 4.75  5.25V
34 VDDL
- Lch Analog Power Supply Pin, 4.75  5.25V
35 AOUTLN
O Lch Negative Analog Output Pin
36 AOUTLP
O Lch Positive Analog Output Pin
37 VCOML
Left channel Common Voltage Pin,
-
Normally connected to VSS with a 10μF electrolytic cap.
38 VREFLL
I Lch Low Level Voltage Reference Input Pin
39 VREFLL
I Lch Low Level Voltage Reference Input Pin
40 VREFHL
I Lch High Level Voltage Reference Input Pin
41 VREFHL
42 NC
I Lch High Level Voltage Reference Input Pin
No internal bonding.
- Connect to GND.
43 AVDD
- Analog Power Supply Pin, 3.0  3.6V
44 AVSS
- Ground Pin
45 MCLK
I Master Clock Input Pin
46 DVSS
- Ground Pin
47 DVDD
- Digital Power Supply Pin, 3.0  3.6V
48 TVDD
I Input Buffer Power Supply Pin, 1.6V ~ DVDD
Exposed Pad
-
The exposed pad on the bottom surface of the package must be connected
to the ground.
Note 1. All input pins except internal pull-up/down pins must not be left floating.
015013666-E-01
-7-
2015/12