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MC74HC4046A_14 Datasheet, PDF (5/15 Pages) ON Semiconductor – Phase-Locked Loop
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MC74HC4046A
[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 kW the
Leakage Current can
Influence VDEMOUT
Vi = VVCOIN = 1/2 VCC;
Values taken over RS
Range.
VDEMOUT = 1/2 VCC
Guaranteed Limit
–55 to 25_C
VCC
≤ 85°C
≤ 125°C
V Min Max Min Max Min Max Unit
3.0 50 300
kW
4.5 50 300
6.0 50 300
3.0
See Figure 13
mV
4.5
6.0
3.0
Typical 25 W
W
4.5
6.0
SWITCHING WAVEFORMS
SIGIN, COMPIN
INPUTS
50%
tPHL
PCPOUT, PC1OUT
PC3OUT
OUTPUTS
tTHL
90%
50%
10%
Figure 1.
VCC
SIGIN
INPUT
50%
GND
tPLH
COMPIN
INPUT
50%
tPZH
tPHZ
PC2OUT
90%
OUTPUT
50%
tTLH
Figure 2.
VCC
GND
VCC
GND
VOH
HIGH
IMPEDANCE
SIGIN
INPUT
50%
COMPIN
INPUT
50%
tPZL
PC2OUT
50%
OUTPUT
tPLZ
10%
Figure 3.
VCC
GND
VCC
GND
HIGH
IMPEDANCE
VOL
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
CL*
*INCLUDES ALL PROBE AND JIG CAPACITANCE
Figure 4. Test Circuit
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