Datasheet

74HCT9046A_6 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 06 — 15 September 2009 16 of 43
NXP Semiconductors
74HCT9046A
PLL with band gap controlled VCO
V
OH
HIGH-level output voltage pin VCO_OUT; V
CC
= 4.5 V;
V
I
=V
IH
or V
IL
I
O
= −20 µA 4.4 4.5 - V
I
O
= −4.0 mA 3.98 4.32 - V
V
OL
LOW-level output voltage pin VCO_OUT; V
CC
= 4.5 V;
V
I
=V
IH
or V
IL
I
O
=20µA - 0 0.1 V
I
O
= 4.0 mA - 0.15 0.26 V
pins C1A and C1B; V
CC
= 4.5 V;
V
I
=V
IH
or V
IL
; I
O
= 4.0 mA
- - 0.40 V
I
I
input leakage current pins INH and VCO_IN;
V
CC
= 5.5 V; V
I
=V
CC
or GND
--±0.1 µA
R1 resistor 1 V
CC
= 4.5 V 3 - 300 kΩ
R2 resistor 2 V
CC
= 4.5 V 3 - 300 kΩ
C1 capacitor 1 V
CC
= 4.5 V 40 - no
limit
pF
V
VCO_IN
voltage on pin VCO_IN over the range specified for R1
V
CC
= 4.5 V 1.1 - 3.4 V
V
CC
= 5.0 V 1.1 - 3.9 V
V
CC
= 5.5 V 1.1 - 4.4 V
Demodulator section
R
s
series resistance V
CC
= 4.5 V; at R
s
> 300 kΩ the
leakage current can influence
V
DEM_OUT
50 - 300 kΩ
V
offset
offset voltage VCO_IN to V
DEM_OUT
;V
CC
= 4.5 V;
V
I
=V
VCO_IN
= 0.5V
CC
; values
taken over R
s
range; see Figure 17
- ±20 - mV
R
dyn
dynamic resistance DEM_OUT; V
CC
= 4.5 V;
V
DEM_OUT
= 0.5V
CC
-25-Ω
General
I
CC
supply current disabled; V
CC
= 5.5 V;
pin INH at V
CC
- - 8.0 µA
∆I
CC
additional supply current pin INH; V
I
=V
CC
− 2.1 V; V
CC
=
4.5 V; other inputs at V
CC
or GND;
- 100 360 µA
C
I
input capacitance - 3.5 - pF
T
amb
= −40 °C to +85 °C
Phase comparator section
V
IH
HIGH-level input voltage pins SIG_IN and COMP_IN;
V
CC
= 4.5 V; DC coupled
3.15 - - V
V
IL
LOW-level input voltage pins SIG_IN and COMP_IN;
V
CC
= 4.5 V; DC coupled
- - 1.35 V
Table 5. Static characteristics
…continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Typ Max Unit