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RS-A9/EW
121
5678
56
7
8
C
D
F
A
B
E
V A
R B
DAC A
DAC A
LATCH
INPUT
LATCH A
INPUT
LATCH B
INPUT
LATCH C
INPUT
LATCH D
DAC B
LATCH
DAC C
LATCH
DAC D
LATCH
DAC B
DAC C
DAC D
V B
REF
V D
REF
R D
R C
FB
FB
R A
FB
REF
V C
REF
V
DD
DGND
LDAC
CLR
12
12
12
12
12
12
12
CONTROL LOGIC
+
INPUT SHIFT
REGISTER
CLKIN
SDIN
SDOUT
12
FSIN
I A
I A
I B
I B
I C
I D
OUT1
OUT2
OUT1
OUT2
OUT1
FB
OUT1
A0 A1
12
NC
AGND
I C
OUT2
I D
OUT2
DGND
I
OUT2
C
I
OUT2
B
AGND
R
FB
C
V
REF
C
I
OUT2
D
R
FB
B
V
REF
B
I
OUT2
A
V
DD
I
OUT1
C
NC
I
OUT1
B
I
OUT1
DI
OUT1
A
R
FB
DR
FB
A
V
REF
DV
REF
A
SDOUT A0
CLR A1
LDAC CLKIN
FSIN SDIN
13
18
1
2
28
27
5
9
6
7
24
23
22
20
8
21
3
4
26
25
10 19
1111
12 17
16
14 15
*AD7564BRS
- Block diagram