AD2S80 Analog Devices, AD2S80 Datasheet - Page 15

• Manufacturer Part Number: AD2S80
• Description: Variable Resolution/ Monolithic Resolver-to-Digital Converter
• Manufacturer: Analog Devices

REV. A
Figure 9. Large Step Response Curves for Typical Circuit
Shown in Figure 8
RESOLVER
SIGNALS
360
315
270
225
180
135
90
45
0
REFERENCE
COS HIGH
COS LOW
REF LOW
4
SIN HIGH
SIN LOW
INPUT
+12V
8
100nF
TIME – ms
12
100nF
16
100k
Figure 8. Typical Circuit Configuration
OUTPUT
DATA
20
2.2nF
2.2nF
24
MSB
LSB
15k
15k
10
11
12
13
14
15
16
17
18
19
20
2
1
3
4
5
6
7
8
9
–15–
1M
(Not to Scale)
AD2S80A
PIN 1
TOP VIEW
4.7M
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
100k
10M
10k
1M
DIRECTION
SC2
BYTE SELECT
RIPPLE CLOCK
BUSY
DATA/LOAD
INHIBIT
ENABLE
Figure 10. AD2S80A MTBF Curve
–40
39
k
–20
110
68
k
0
180k
1.5
nF
TEMPERATURE – C
100nF
20
+5V
470pF
6.8
nF
40
60
100nF
80
0V
AD2S80A
100
VELOCITY
O/P
–12V
120