RF02
Vlba
Vlb
Low battery detection accuracy
Low battery detector threshold
+/-3
%
Programmable in
0.1 V steps
2.2
5.3
V
Vil
Vih
Iil
Digital input low level
Digital input high level
Digital input current
Digital input current
0.3*Vdd
V
0.7*Vdd
-1
V
Vil = 0 V
1
1
µA
µA
Iih
Vih = Vdd, Vdd = 5.4 -1
V
Vol
Digital output low level
Digital output high level
Iol = 2 mA
0.4
V
V
Voh
Ioh = -2 mA
Vdd-0.4
AC Characteristic
Min
9
Typ
10
Max
11
Symbol
Parameter
Conditions/Notes
Units
MHz
PLL reference
frequency
Crystal operation mode is
parallel (Note 2)
fref
433MHz band, 2.5kHz
resolution
430.24
860.48
900.72
439.75
879.51
929.27
868MHz band, 5.0kHz
resolution
fo
MHz
915MHz band, 7.5kHz
resolution
Frequency error < 10 kHz after
10 MHz step, POR default PLL
setting(Note 7)
20
tlock
PLL lock time
µs
µs
After turning on from idle
mode, with crystal oscillator
already stable, POR default
PLL setting (Note 7)
250
tsp
PLL startup time
0.5
6
Open collector output
current (Note 3)
IOUT
At all bands
mA
Available output power With opt. antenna impedance
8
6
PmaxL
dBm
(433MHz band)
(Note 4)
Available output power
(868 and 915 MHz
band)
With opt. antenna impedance
(Note 4)
PmaxH
dBm
Selectable in 3 dB steps (Note
3)
Pmax-21
Pmax
-50
Pout
Typical output power
Spurious emission
dBm
dBc
At max power with loop
antenna (Note 5)
Psp
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