AK4397 Datasheet, PDF (5/37 Pages) Asahi Kasei Microsystems – High Performance Premium 32-Bit DAC

[AK4397]
14 P/S
Parallel/Serial Select Pin
I
“L”: Serial Mode, “H”: Parallel Mode
(Internal pull-up pin)
ACKS
15
DZFR
I Master Clock Auto Setting Mode Pin in Parallel Mode
O Rch Zero Input Detect Pin in Serial Mode
TST1
16
Test 1 Pin in Parallel Mode
O
Should be open.
DZFL
O Lch Zero Input Detect Pin in Serial Mode
TST2
17
Test 2 Pin in Parallel Mode
I
Connect to GND.
(Internal pull-down pin)
CAD1
I Chip Address 1 Pin in Serial Mode
(Internal pull-down pin)
18 NC
No internal bonding.
-
Connect to GND.
19 NC
No internal bonding.
-
Connect to GND.
20 NC
No internal bonding.
-
Connect to GND.
21 NC
No internal bonding.
-
Connect to GND.
22 AOUTRP
O Rch Positive Analog Output Pin
23 AOUTRN
O Rch Negative Analog Output Pin
24 VSS1
- Ground Pin
25 VDDR
- Rch Analog Power Supply Pin, 4.75 ∼ 5.25V
26 VREFHR
I Rch High Level Voltage Reference Input Pin
27 VREFLR
I Rch Low Level Voltage Reference Input Pin
28 NC
No internal bonding.
-
Connect to GND.
29 VREFLL
I Lch Low Level Voltage Reference Input Pin
30 VREFHL
I Lch High Level Voltage Reference Input Pin
31 VDDL
- Lch Analog Power Supply Pin, 4.75 ∼ 5.25V
32 VSS2
- Ground Pin
33 AOUTLN
O Lch Negative Analog Output Pin
34 AOUTLP
O Lch Positive Analog Output Pin
35 NC
No internal bonding.
-
Connect to GND.
36 NC
No internal bonding.
-
Connect to GND.
37 NC
No internal bonding.
-
Connect to GND.
38 NC
No internal bonding.
-
Connect to GND.
39 NC
No internal bonding.
-
Connect to GND.
40 VSS3
- Ground Pin
41 AVDD
- Analog Power Supply Pin, 4.75 ∼ 5.25V
42 MCLK
I Master Clock Input Pin
43 VSS4
- Ground Pin
44 NC
No internal bonding.
-
Connect to GND.
Note: All input pins except internal pull-up/down pins should not be left floating.
MS0616-E-00
-5-
2007/05