CS8190

http://onsemi.com

5

TYPICAL PERFORMANCE CHARACTERISTICS

Figure 2. Function Generator Output Voltage vs.

Degrees of Deflection

Figure 3. Charge Pump Output Voltage vs.

Output Angle

0

45

90

135

180

225

270

315

0

45

90

135

180

225

270

315

−7

−6

−5

−4

−3

−2

−1

0

1

2

3

4

5

6

7

0

1

2

3

4

5

6

7

Frequency/Output Angle (

°)

Degrees of Deflection (

°)

Theoretical Angle (

°)

7.0 V

7.0 V

−7.0 V

−7.0 V

q Angle

Q + ARCTAN

VSIN

) * VSIN *

VCOS

) * VCOS *

Figure 4. Output Angle in Polar Form

Figure 5. Nominal Output Deviation

0

45

90

135

180

270

315

225

−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

COS

SIN

Figure 6. Nominal Angle vs. Ideal Angle (After Calibrating at 180

5)

Nominal Angle (Degrees)

0

5

10

20

25

30

35

40

15

45

15

9

13

17

33

41

29

21

25

37

45

Ideal Degrees

Nominal Degrees

F VOUT + 2.0 V ) 2.0

FREQ

CCP

RT

(VREG * 0.7 V)