5962-9096201MXA Datasheet, PDF (15/16 Pages) Analog Devices – Variable Resolution, Monolithic esolver-to-Digital Converter

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–