Rainbow Electronics RF02 - Manual (Page 7)

RF02
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V
lba
Low battery detection accuracy 75 mV
V
lb
Low battery detector threshold Programmable in
0.1 V steps
2.2 5.3 V
V
il
Digital input low level 0.3*V
dd
V
V
ih
Digital input high level 0.7*V
dd
V
I
il
Digital input current V
il
= 0 V -1 1 µA
I
ih
Digital input current V
ih
= V
dd
, V
dd
= 5.4
V
-1 1 µA
V
ol
Digital output low level I
ol
= 2 mA 0.4 V
V
oh
Digital output high level I
oh
= -2 mA V
dd
-0.4 V
AC Characteristic
Symbol Parameter Conditions/Notes Min Typ Max Units
f
ref
PLL reference
frequency
Crystal operation mode is
parallel (Note 2)
9 10 11
MHz
f
o
433MHz band, 2.5kHz
resolution
868MHz band, 5.0kHz
resolution
915MHz band, 7.5kHz
resolution
430.24
860.48
900.72
439.75
879.51
929.27
MHz
t
lock
PLL lock time
Frequency error < 10 kHz after
10 MHz step, POR default PLL
setting(Note 7)
20
µs
t
sp
PLL startup time
After turning on from idle
mode, with crystal oscillator
already stable, POR default
PLL setting (Note 7)
250
µs
I
OUT
Open collector output
current (Note 3)
At all bands
0.5 6
mA
P
maxL
Available output power
(433MHz band)
With opt. antenna impedance
(Note 4)
8
dBm
P
maxH
Available output power
(868 and 915 MHz
band)
With opt. antenna impedance
(Note 4)
6
dBm
P
out
Typical output power
Selectable in 3 dB steps (Note
3)
P
max
-21 P
max
dBm
P
sp
Spurious emission
At max power with loop
antenna (Note 5)
-50
dBc