sta011 STMicroelectronics, sta011 Datasheet - Page 13

• Manufacturer Part Number: sta011
• Description: L-band Rf Front-end For Digital Radio
• Manufacturer: STMicroelectronics

STA011
Table 9.
Table 10.
1. A 18pF capacitor connected from XTAL1 pin to gnd is suggested for start-up robustness (see
Table 11.
Symbol
VDC,
Symbol
Symbol
f
f
REF1
REF2
P
f
f
R
C
P
XTAL1
XTAL2
t
SP
s
Pn
load
load
n
XTAL
RF pll loop setting
time
Total phase noise
contribution
RF pll comparison
frequency
IF pll comparison
frequency
Spurious power level
Base-band output performance
Crystal oscillator, (T=25°C, VP-VN=3V)
Figure 4.
PLLs, Synthesizers, (T
Baseband Output load
resistance
Baseband output load
capacitance
Quartz frequency
Quartz frequency
Phase Noise
XTAL1,2 common
mode voltage
Parameter
Parameter
Parameter
System clock input/output
100Hz<Δf<1.84MHz
Programmable via software
mode
Programmable via software
mode
RFPLL, Δf=n*460KHz
IFPLL, Δf=113.23KHz
Test conditions/notes
amb
Resonance mode: series
Using 14.72
Resonance mode: series
Using 14.725
Δf=1kHz
Test conditions/notes
= 25°C, VP-VN = 3V)
The output resistance the
IC is loaded
SE to GND
The output capacitance the
IC is loaded
SE to GND
REF
Test conditions/notes
MUX
yy yy
yy
Output
Buffer
18pF
(1)
M_CLKP
C
Min.
0.92
D
to baseband
C
VP-1.1
p
AC00414
Min.
Min.
5
113.23
Typ.
3.68
1
14.725
14.72
VP-.9
Figure
Electrical specifications
Typ.
-120
Typ.
4).
14.72
Max.
-50
-50
1.8
10
VP-.7
Max.
Max.
-118
10
msec
°rms
MHz
Unit
KHz
MHz
MHz
dBc
Unit
Unit
dBc
KΩ
pF
V
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