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74HC7046A

Phase-locked-loop with lock detector

Philips Electronics 

Philips Semiconductors

Phase-locked-loop with lock detector

Product specification

74HC/HCT7046A

VCO section

GND = 0 V; tr = tf = 6 ns; CL = 50 pF

Tamb (°C)

TEST CONDITIONS

SYMBOL PARAMETER

74HCT

+25

−40 to +85

−40 to +125

UNIT

VCC

(V)

min. typ. max. typ. max. min. max.

OTHER

∆f/T

frequency stability

0.15

with temperature

change

fo

VCO centre frequency 11.0 17.0

(duty factor = 50%)

∆fVCO

VCO frequency

0.4

linearity

δVCO

duty factor at VCOOUT

50

%/K 4.5 VI = VCOIN within

recommended

range;

R1 = 100 kΩ;

R2 = ∞;

C1 = 100 pf;

see Fig.16b

MHz 4.5 VVCOIN = 1/2 VCC;

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

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