Philips Semiconductors
Product specification
Phase-locked-loop with VCO
74HC/HCT4046A
T
amb
(°C)
SYM-
BOL
74HC
PARAMETER
+25
min.
R
2
resistor range
3.0
3.0
3.0
C1
capacitor range
40
40
40
V
VCOIN
operating voltage
range at VCO
IN
1.1
1.1
1.1
1.9
3.4
4.9
V
typ.
−40
to +85
−40
to +125
max.
kΩ
3.0
4.5
6.0
pF
3.0
4.5
6.0
3.0
4.5
6.0
UNIT
V
CC
(V)
TEST CONDITIONS
OTHER
V
I
max. min. max. min.
300
300
300
no
limit
note 1
over the range
specified for
R1; for linearity
see Figs 20
and 21
Note
1. The parallel value of R1 and R2 should be more than 2.7 kΩ. Optimum performance is achieved when R1 and/ or
R2 are/is
>
10 kΩ.
Demodulator section
Voltages are referenced to GND (ground = 0 V)
T
amb
(°C)
74HC
SYMBOL
PARAMETER
TEST CONDITIONS
UNIT
V
CC
OTHER
V
+25
−40
to+85
−40
to +125
min.
max.
min. typ.
max. min. max.
R
S
resistor range
50
50
50
V
OFF
offset voltage
VCO
IN
to V
DEMOUT
dynamic output
resistance at DEM
OUT
±30
±20
±10
R
D
25
25
25
300
300
300
kΩ
3.0
4.5
6.0
at R
S
>
300 kΩ
the leakage current can
influence V
DEMOUT
V
I
= V
VCOIN
= 1/2 V
CC
;
values taken over
R
S
range; see Fig.15
V
DEMOUT
= 1/2 V
CC
mV
3.0
4.5
6.0
Ω
3.0
4.5
6.0
1997 Nov 25
12
PHILIPS [ NXP SEMICONDUCTORS ]
