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CD4046BMS

FIGURE 6. TYPICAL FREQUENCY OFFSET AS A FUNCTION

OF C1 AND R2 FOR VDD = 5V, 10V, AND 15V

FIGURE 7. FREQUENCY OFFSET AS A FUNCTION OF C1 AND

FIGURE 8. TYPICAL fMAX/fMIN AS A FUNCTION OF R2/R1

FIGURE 9. TYPICAL VCO POWER DISSIPATION AT CENTER

FREQUENCY AS A FUNCTION OF R1

10

1

VCO TIMING CAPACITOR (CI) (

µF)

110

SUPPLY VOLTAGE

(VDD) = 15V

R2 = 1M

Ω

R2 = 100k

Ω

VCOIN = VSS INHIBIT = VSS

10V

5V

15V

10V

5V

15V

10V

5V

TYPICAL fMIN UNIT-TO-UNIT VARIATION

VDD (V)

∆fMIN/fMIN (%)

5

±25

10

±20

15

±25

R2 = 10k

Ω

110

VCO TIMING CAPACITOR (CI) (

µF)

SUPPLY VOLTAGE (VDD) = 10V

VCOIN = VSS INHIBIT = VSS

AMBIENT TEMPERATURE

R2 = 100k

Ω

R2 = 10k

Ω

R2 = 1M

Ω

1

10

TYPICAL fMAX/fMIN UNIT-TO-UNIT VARIATION

VDD (V)

fMAX/fMIN (%)

5

±12

10

±8

15

±12

fMAX WHEN VCOIN = VDD INHIBIT = VSS

fMIN WHEN VCOIN = VSS

8

6

4

28

6

4

22

R2/R1

0.01

0.1

1

10

100

8

6

4

28

6

4

8

6

4

2

100

10

1

SUPPLY VOLTAGE (VDD) = 5V, 10V

8

6

4

2

8

6

4

2

15V

8

6

4

2

R1 (k

Ω)

10

10

VCOIN = VDD/2, R2 =

∞

INHIBIT = VSS

CL = 50pF

8

6

4

28

6

4

2

SUPPLY VOLTAGE (VDD) = 15V

1

µF

10V

50pF

1

µF

CL = 50pF

1

µF

50pF

5V