Owner manual

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RC1240/1280/1290
 2005 Radiocrafts AS RC1240/RC1280/RC1290 Data Sheet (rev. 1.3) Page 14 of 17
Absolute Maximum Ratings
Parameter Min Max Unit
Supply voltage, VCC -0.3 5.5 V
Voltage on any pin -0.3 5.5 V
Input RF level 10 dBm
Storage temperature -50 150
°C
Operating temperature -20 55
°C
Caution ! ESD sensitive device.
Precaution should be used when handling
the device in order to prevent permanent
damage.
Under no circumstances the absolute maximum ratings given above should be violated.
Stress exceeding one or more of the limiting values may cause permanent damage to the
device.
Electrical Specifications
T=25 ° C, VCC = 3.0V if nothing else stated.
Parameter Min Typ. Max Unit Condition / Note
Operating frequency
RC1240
RC1280
RC1290
433.050
868.0
902
434.790
870.0
928
MHz
Number of channels
RC1240
RC1280
RC1290
69
80
51
Channel spacing 25 kHz
Input/output impedance 50 Ohm
Data rate 4.8 19.2* kbit/s *RC1290 only
Frequency stability +/-2.5 ppm
Transmit power
RC1240
RC1280
RC1290
-20
-20
-20
6
3
-1
8
3
2
dBm
Typical values are for default
settings
FSK deviation +/- 2.4 +/- 9.6* kHz *RC1290 only
Adjacent channel power -55 -45 dBc
Occupied bandwidth 14 16 kHz 99.5%
Spurious emission, TX
RC1240/RC1280
< 1 GHz
> 1 GHz
RC1290
< 960 MHz
> 960 MHz
-37
-30
-49
-41
dBm
Sensitivity
RC1240
RC1280
RC1290, 4.8 kbit/s
RC1290, 9.6 kbit/s
RC1290, 19.2 kbit/s
-115
-110
-110
-108
-106
dBm
Adjacent channel rejection 30 dB
Alternate channel selectivity 40 dB
Image channel rejection 40 dB