CS4101 Datasheet, PDF (4/8 Pages) Cherry Semiconductor Corporation – Precision Air-Core Tach/Speedo Driver with Separate Function Generator Input

Typical Performance Characteristics continued
Figure 3: Output Angle in Polar Form
7V
(V_SINE+) - (V_SINE-)
Θ Angle
–7V
+7V
(V_COS+) - (V_COS-)
[ ] ^{Θ = ARCTAN}
V_SIN+ – V_SIN-
V_COS+ – V_COS-
-7V
1.50
1.25
1.00
0.75
0.50
0.25
0.00
-0.25
-0.50
-0.75
-1.00
-1.25
-1.50
0
Figure 4: Nominal Output Deviation
45
90
135
180
225
270
315
Theoretical Angle (°)
Nominal Angle vs. Ideal Angle (After calibrating at 180°)
Note: Temperature, voltage and nonlinearity not included.
45
40
35
30
25
20
Ideal Degrees
15
Nominal Degrees
10
5
0
1
5
9
13
17
21
25
29
33
37
41
45
Nominal Angle (Degrees)
Table 1: Function Generator Output Nominal Angle vs. Ideal Angle (After calibrating at 270°)
Ideal Θ Nominal
Degrees Θ Degrees
Ideal Θ Nominal
Degrees Θ Degrees
Ideal Θ Nominal
Degrees Θ Degrees
Ideal Θ Nominal
Degrees Θ Degrees
Ideal Θ Nominal
Degrees Θ Degrees
0
0
1
1.09
2
2.19
3
3.29
4
4.38
5
5.47
6
6.56
7
7.64
8
8.72
9
9.78
10
10.84
11
11.90
12
12.94
13
13.97
14
14.99
15
16.00
16
17.00
17
17.98
18
18.96
19
19.92
20
20.86
21
21.79
22
22.71
23
23.61
24
24.50
25
25.37
26
26.23
27
27.07
28
27.79
29
28.73
30
29.56
31
30.39
32
31.24
33
32.12
34
33.04
75
74.00
160 159.14
35
34.00
80
79.16
165 164.00
36
35.00
85
84.53
170 169.16
37
36.04
90
90.00
175 174.33
38
37.11
95
95.47
180 180.00
39
38.21
100 100.84
185 185.47
40
39.32
105 106.00
190 190.84
41
40.45
110 110.86
195 196.00
42
41.59
115 115.37
200 200.86
43
42.73
120 119.56
205 205.37
44
43.88
125 124.00
210 209.56
45
45.00
130 129.32
215 214.00
50
50.68
135 135.00
220 219.32
55
56.00
140 140.68
225 225.00
60
60.44
145 146.00
230 230.58
65
64.63
150 150.44
235 236.00
70
69.14
155 154.63
240 240.44
Note: Temperature, voltage and nonlinearity not included.
4
Ideal Θ Nominal
Degrees Θ Degrees
245 244.63
250 249.14
255 254.00
260 259.16
265 264.53
270 270.00
275 275.47
280 280.84
285 286.00
290 290.86
295 295.37
300 299.21
305 303.02