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AK4490 Datasheet, PDF (7/68 Pages) Asahi Kasei Microsystems – Premium 32-Bit 2ch DAC
[AK4490]
16 DEM1
17 ACKS
CAD1
18 NC
I De-emphasis Enable 1 Pin in Parallel Control Mode (Internal pull-down pin)
I Master Clock Auto Setting Mode Pin in Parallel Mode (Internal pull-down pin)
I Chip Address 1 Pin in Serial Control Mode
- No internal bonding. Connect to GND.
19 VREFHR I Rch High Level Voltage Reference Input Pin
20 VREFHR
21 VREFLR
22 VREFLR
23 VCMR
24 NC
25 AOUTRP
26 AOUTRN
27 VDDR
28 VDDR
29 VSSR
30 VSSR
31 VSSL
32 VSSL
33 VDDL
34 VDDL
35 AOUTLN
36 AOUTLP
37 NC
38 VCML
I Rch High Level Voltage Reference Input Pin
I Rch Low Level Voltage Reference Input Pin
I Rch Low Level Voltage Reference Input Pin
Right channel Common Voltage Pin,
-
Normally connected to VREFLR with a 10uF electrolytic cap.
- No internal bonding. Connect to GND.
O Rch Positive Analog Output Pin
O Rch Negative Analog Output Pin
- Rch Analog Power Supply Pin, 4.75  7.2V
- Rch Analog Power Supply Pin, 4.75  7.2V
- Ground Pin
- Ground Pin
Ground Pin
Ground Pin
- Lch Analog Power Supply Pin, 4.75  7.2V
- Lch Analog Power Supply Pin, 4.75  7.2V
O Lch Negative Analog Output Pin
O Lch Positive Analog Output Pin
-
No internal bonding.
Connect to GND.
Left channel Common Voltage Pin,
-
Normally connected to VREFLL with a 10uF electrolytic cap.
39 VREFLL I Lch Low Level Voltage Reference Input Pin
40 VREFLL I Lch Low Level Voltage Reference Input Pin
41 VREFHL I Lch High Level Voltage Reference Input Pin
42 VREFHL I Lch High Level Voltage Reference Input Pin
43 NC
-
No internal bonding.
Connect to GND.
44 AVDD
- Analog Power Supply Pin, 3.0  3.6V
45 AVSS
- Ground Pin
46 MCLK
I Master Clock Input Pin
47 DVSS
- Ground Pin
48 DVDD
- Digital Power Supply Pin, 3.0  3.6V
Note. All input pins except internal pull-up/down pins must not be left floating.
MS1648-E-03
-7-
2014/11