74HCT9046A Datasheet, PDF (19/40 Pages) NXP Semiconductors – PLL with bandgap controlled VCO

Philips Semiconductors
PLL with bandgap controlled VCO
Product specification
74HCT9046A
SYMBOL
PARAMETER
MIN.
T_amb (°C)
+25
−40 to +85 −40 to +125 UNIT
TYP. MAX. MIN. MAX. MIN. MAX.
TEST CONDITION
V_CC
(V)
WAVEFORMS
VCO section
∆f/T
frequency stability −
−
−
0.06 −
−
−
%/K 4.5 V_VCOIN = ¹â„₂V_CC;
with temperature
recommended
change
range:
R1 = 10 kΩ;
R2 = 10 kΩ;
C1 = 1 nF;
Figs 20 to 22
∆f_c
centre frequency −10 −
+10 −
−
−
−
%
5.0 V_VCOIN = 3.9 V;
tolerance
R1 = 10 kΩ;
R2 = 10 kΩ;
C1 = 1 nF
f_c
VCO centre
11.0 15.0 −
−
−
−
−
MHz 4.5 V_VCOIN = ¹â„₂V_CC;
frequency
R1 = 4.3 kΩ;
(duty factor = 50%)
R2 = ∞;
C1 = 40 pF;
Figs 23 and 31
∆f_VCO
VCO frequency −
0.4 −
−
−
−
−
% 4.5 R1 = 100 kΩ;
linearity
R2 = ∞;
C1 = 100 pF;
Figs 24 and 25
δ_VCO
duty factor at
VCO_OUT
−
50 −
−
−
−
−
% 4.5
1999 Jan 11
19