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Description
AD2S80AAD View Datasheet(PDF) - Analog Devices
Part Name
Description
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AD2S80AAD
Variable Resolution, Monolithic Resolver-to-Digital Converter
Analog Devices
AD2S80AAD Datasheet PDF : 16 Pages
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AD2S80A
1M
⍀
4.7M
⍀
REFERENCE
INPUT
RESOLVER
SIGNALS
COS HIGH
REF LOW
COS LOW
SIN LOW
SIN HIGH
+12V
C3
100nF
100nF
R3
100k
⍀
C2
R2
2.2nF 15k
⍀
1 PIN 1
40
2
39
C1 R1
3
38
2.2nF
15k
⍀
4
37
5
36
R6
56k
⍀
R4
130k
⍀
C4
1.3nF
R5
180k
⍀
C5
6.8nF
R7
68
⍀
C6
470pF
6
35 RIPPLE CLK
7
34 DIRECTION
8
AD2S80A
33 BUSY
MSB
9 TOP VIEW 32 DATA LOAD
(Not to Scale)
10
31 SC2
11
30
12
29
13
28
INHIBIT
14
27 BYTE SELECT
100nF
15
26
ENABLE
DATA
16
25
+5V
OUTPUT
17
24
18
23
19
22
20
21
VELOCITY
O/P
100nF
–
12V
0V
LSB
Figure 8. Typical Circuit Configuration
360
315
270
225
180
135
90
45
0
0
4
8
12
16
20
24
TIME
–
ms
Figure 9. Large Step Response Curves for Typical Circuit
Shown in Figure 8
10M
1M
100k
10k
–
40
–
20 0
20 40 60 80 100 120
TEMPERATURE
–
؇
C
Figure 10. AD2S80A MTBF Curve
REV. B
–15–
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