MC74HC4046A Datasheet, PDF (5/15 Pages) ON Semiconductor – Phase-Locked Loop

MC74HC4046A
[VCO Section]
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6.0 ns)
Guaranteed Limit
Symbol
Parameter
VCC ^{– 55 to 25_C}
≤ 85°C
≤ 125°C
Volts Min Max Min Max Min Max Unit
∆f/T Frequency Stability with
3.0
%/K
Temperature Changes
4.5
(Figure 13A, B, C)
6.0
fo VCO Center Frequency
(Duty Factor = 50%)
(Figure 14A, B, C, D)
3.0
3
4.5
11
6.0
13
MHz
∆fVCO VCO Frequency Linearity
3.0
See Figures 15A, B, C
%
4.5
6.0
∂ VCO Duty Factor at VCOOUT
3.0
Typical 50%
%
4.5
6.0
[Demodulator Section]
DC ELECTRICAL CHARACTERISTICS
Symbol
Parameter
RS
Resistor Range
VOFF
Offset Voltage
VCOIN to VDEMOUT
RD
Dynamic Output
Resistance at DEMOUT
Test Conditions
At RS > 300 kΩ the
Leakage Current can
Influence VDEMOUT
Vi = VVCOIN = 1/2 VCC;
Values taken over RS
Range.
VDEMOUT = 1/2 VCC
Guaranteed Limit
VCC ^{– 55 to 25_C}
≤ 85°C
≤ 125°C
Volts Min Max Min Max Min Max Unit
3.0 50 300
kΩ
4.5 50 300
6.0 50 300
3.0
See Figure 12
mV
4.5
6.0
3.0
Typical 25 Ω
Ω
4.5
6.0
High–Speed CMOS Logic Data
3–5
DL129 — Rev 6
MOTOROLA