74HC7046A Datasheet, PDF (19/38 Pages) NXP Semiconductors – Phase-locked-loop with lock detector

Philips Semiconductors
Phase-locked-loop with lock detector
Product specification
74HC/HCT7046A
VCO section
GND = 0 V; t_r = t_f = 6 ns; C_L = 50 pF
T_amb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
74HCT
+25
−40 to +85
−40 to +125
UNIT
V_CC
(V)
min. typ. max. typ. max. min. max.
OTHER
∆f/T
frequency stability
0.15
with temperature
change
f_o
VCO centre frequency 11.0 17.0
(duty factor = 50%)
∆f_VCO
VCO frequency
0.4
linearity
δ_VCO
duty factor at VCO_OUT
50
%/K 4.5 V_I = V_COIN within
recommended
range;
R1 = 100 kΩ;
R2 = ∞;
C1 = 100 pf;
see Fig.16b
MHz 4.5 V_VCOIN = 1/2 V_CC;
R1 = 3 kΩ; R2 = ∞;
C1 = 40 pF;
see Fig.17
% 4.5 R1 = 100 kΩ;
R2 = ∞;
C1 = 100 pF; see
Figs 18 and 19
% 4.5
December 1990
19