RFM12B-433-S1 QUASAR, RFM12B-433-S1 Datasheet - Page 5

• Manufacturer Part Number: RFM12B-433-S1
• Description: MODULE, TRANSCEIVER, 5DB,SMD,433MHZ
• Manufacturer: QUASAR

Specifications of RFM12B-433-S1

• Modulation Type: FSK
• Data Rate Max: 256Kbps
• Sensitivity: -109dBm
• Supply Voltage Range: 2.2V To 3.8V
• Supply Current: 22mA
• Interface Type: SPI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AC characteristic(Transmitter)
symbol
P
P
C
Q
L
BR
BRA
df
AC characteristic(Turn-on/Turnaround timings)
symbol
T
T
T
C
t
t
C
t
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POR
PBt
r, f
T
T
out
max
out
st
tx_rx_SYNT_ON
rx_tx_SYNT_ON
o
xl
in, D
o
fsk
rx_XTAL_ON
tx_XTAL_ON
TX
TX
parameter
Max. available output power
Typical output power
Output capacitance
(set by the automatic antenna
tuning circuit)
Quality factor of the output
capacitance
Output phase noise
FSK bit rate
FSK bit rate
FSK frequency deviation
parameter
Crystal oscillator
startup time
Crystal load
capacitance
Internal POR timeout
Wake-up timer clock
period
Digital input apacitance
Digital output rise/fall time
Transmitter
time
Receiver turn-on time
Transmitter
Receiver turnover time
Receiver
Transmitter
time
turnover
turn-on
–
–
remark
Crystal ESR < 100
Programmable in 0.5 pF steps,
tolerance+/- 10%
After V
final value
Calibrated every 30 seconds
15pF pure capacitive load
Synthesizer
oscillator on with 10 MHz step
Synthesizer
oscillator on with 10 MHz step
Synthesizer
oscillator on during TX/RX
change with 10 MHz step
Synthesizer
oscillator on during RX/TX
change with 10 MHz step
remark
433MHz band
868MHz band
915MHz band
Selectable in 3 dB
steps
In low bands
In high bands
In low bands
In high bands
100 kHz from carrier
1 MHz from carrier
Via internal TX data
register
TX data connected to the
FSK input
Programmable in 15
kHz steps
dd
has reached 90% of
and
and
off,
off,
crystal
crystal
crystal
crystal
min
3
2
2
P
2
2.1
13
8
15
max
-21
min
8.5
0.96
typical
5
4
4
2.6
2.7
15
10
Datasheet REV2.0
RFM12B
typical
1
250
250
150
150
max
P
3.2
3.3
17
12
-80
-103
172
256
240
max
max
5
16
100
1.05
2
10
Unit
dBm
dbm
pf
dbc/HZ
kbps
kbps
kHZ
Unit
ms
pf
ms
ms
pf
ns
us
us
us
us