74HCT9046A Datasheet, PDF (20/43 Pages) NXP Semiconductors – PLL with bandgap controlled VCO

NXP Semiconductors
74HCT9046A
PLL with band gap controlled VCO
12. Dynamic characteristics
Table 6. Dynamic characteristics^[1]
GND = 0 V; t_r = t_f = 6 ns; C_L = 50 pF.
Symbol Parameter
T_amb = 25 °C
Phase comparator section
t_pd
propagation delay
t_en
enable time
t_dis
disable time
t_t
V_i(p-p)
transition time
peak-to-peak input voltage
VCO section
∆f
frequency deviation
f₀
center frequency
∆f/f
relative frequency variation
δ
duty cycle
General
C_PD
power dissipation capacitance
T_amb = −40 °C to +85 °C
Phase comparator section
t_pd
propagation delay
t_en
enable time
t_dis
disable time
t_t
transition time
VCO section
Conditions
Min Typ Max Unit
SIG_IN, COMP_IN to PC1_OUT;
-
V_CC = 4.5 V; see Figure 18
SIG_IN, COMP_IN to PCP_OUT;
-
V_CC = 4.5 V; see Figure 18
SIG_IN, COMP_IN to PC2_OUT;
-
V_CC = 4.5 V; see Figure 19
SIG_IN, COMP_IN to PC2_OUT;
-
V_CC = 4.5 V; see Figure 19
V_CC = 4.5 V; see Figure 18
-
pin SIGN_IN or COMP_IN;
[4] _-
V_CC = 4.5 V; AC coupled; f_i = 1 MHz
23 40 ns
35 68 ns
30 56 ns
36 65 ns
7
15 ns
50 -
mV
V_CC = 5.0 V; V_{VCO_IN} = 3.9 V;
R1 = 10 kΩ; R2 = 10 kΩ; C1 = 1 nF
V_CC = 4.5 V; duty cycle = 50 %;
V_{VCO_IN} = 0.5V_CC; R1 = 4.3 kΩ;
R2 = ∞ Ω; C1 = 40 pF; see Figure 23
and 31
V_CC = 5 V; duty cycle = 50 %;
V_{VCO_IN} = 0.5V_CC; R1 = 3 kΩ;
R2 = ∞ Ω; C1 = 40 pF; see Figure 23
and 31
V_CC = 4.5 V; R1 = 100 kΩ; R2 = ∞ Ω;
C1 = 100 pF; see Figure 24 and 25
VCO_OUT; V_CC = 4.5 V
[5] _{−10 -}
+10 %
11.0 15.0 -
MHz
-
16.0 -
MHz
[6] _-
0.4 -
%
-
50 -
%
[2][3] _-
20 -
pF
SIG_IN, COMP_IN to PC1_OUT;
V_CC = 4.5 V; see Figure 18
SIG_IN, COMP_IN to PCP_OUT;
V_CC = 4.5 V; see Figure 18
SIG_IN, COMP_IN to PC2_OUT;
V_CC = 4.5 V; see Figure 19
SIG_IN, COMP_IN to PC2_OUT;
V_CC = 4.5 V; see Figure 19
V_CC = 4.5 V; see Figure 18
-
-
50 ns
-
-
85 ns
-
-
70 ns
-
-
81 ns
-
-
19 ns
74HCT9046A_6
Product data sheet
Rev. 06 — 15 September 2009
© NXP B.V. 2009. All rights reserved.
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