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CD4046BMS Datasheet, PDF (9/11 Pages) Intersil Corporation – CMOS Micropower Phase Locked Loop
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CD4046BMS
Typical Performance Characteristics (Continued)
R2 = 10kΩ AMBIENT TEMPERATURE (TA) = +25oC
VCOIN = VSS INHIBIT = VSS
106
105
SUPPLY VOLTAGE
(VDD) = 15V
104
103 R2 = 1MΩ
R2 = 100kΩ
102
10
1
10-5
10-4
10-3
10-2
10-1
1
VCO TIMING CAPACITOR (CI) (µF)
10V
5V
15V
10V
5V
15V
10V
5V
10
TYPICAL fMIN UNIT-TO-UNIT VARIATION
VDD (V)
∆fMIN/fMIN (%)
5
±25
10
±20
15
±25
R2 = 10kΩ
106
SUPPLY VOLTAGE (VDD) = 10V
VCOIN = VSS INHIBIT = VSS
105
104
R2 = 1MΩ
103 R2 = 100kΩ
102
10
AMBIENT TEMPERATURE
(TA) = -55oC
+125oC
-55oC
+125oC
-55oC
+125oC
1
10-5
10-4
10-3
10-2
10-1
1
10
VCO TIMING CAPACITOR (CI) (µF)
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
R2 FOR AMBIENT TEMPERATURES OF -55oC to
125oC
8
6
4
2
100
8
6
4
AMBIENT TEMPERATURE (TA) = +25oC
fMAX WHEN VCOIN = VDD INHIBIT = VSS
fMIN WHEN VCOIN = VSS
SUPPLY VOLTAGE (VDD) = 5V, 10V
2
15V
10
8
6
4
2
1
0.01
2 4 68 2
0.1
4 68
1
R2/R1
2 4 68 2
10
4 68
100
TYPICAL fMAX/fMIN UNIT-TO-UNIT VARIATION
VDD (V)
fMAX/fMIN (%)
5
±12
10
±8
15
±12
AMBIENT TEMPERATURE (TA) = +25oC
VCOIN = VDD/2, R2 = ∞
INHIBIT = VSS CL = 50pF
105
SUPPLY VOLTAGE (VDD) = 15V
104
CL = 50pF
10V
1µF
103
50pF
5V
1µF
102
50pF
1µF
10
2 46
10
8
2 46
102
8
2 46
103
R1 (kΩ)
8
104
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
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