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RC1280

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P26
Radiocrafts
Embedded Wireless Solutions
RC1240/1280/1290
©2011 Radiocrafts AS RC1240/RC1280/RC1290 Data Sheet (rev. 1.62) Page 19 of 26
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
8
7
-4
8.5
8
-3
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
¾ 1 GHz
RC1290
< 960 MHz
¾ 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
Radiocrafts
Embedded Wireless Solutions
RC1240/1280/1290
©2011 Radiocrafts AS RC1240/RC1280/RC1290 Data Sheet (rev. 1.62) Page 20 of 26
Blocking / Interferer rejection /
desensitization
+/- 1 MHz
+/- 2 MHz
+/- 5 MHz
+/- 10 MHz
40
40
50
60
60
60
70
75
dB
Wanted signal 3 dB above
sensitivity level, CW interferer.
Minimum numbers corresponds
to class 2 receiver
requirements in EN300220.
Saturation
10 dBm
Input IP3
-18 dBm
Spurious emission, RX
RC1240/RC1280
RC1290
-57
-49
dBm
Supply voltage
2.8 5.5 V
Supply voltage rise time 150 us If appropriate rise time can not
be guaranteed, the RESET pin
should be activated after
supply voltage is stable.
Current consumption, RX/IDLE
RC1240
RC1280
RC1290
20.2
20.7
20.7
mA
Apply over entire supply
voltage range
Current consumption, TX
RC1240, 6 dBm
RC1280, 3 dBm
RC1290, -1 dBm
26
28
22.9
mA
Apply over entire supply
voltage range
Current consumption, SLEEP 0.9 1.5 mA Max value in bold apply over
the entire temperature and
supply voltage range
Current consumption, OFF
0.003 1.5 µA Max value in bold apply over
the entire temperature and
supply voltage range
Digital I/O
Input logic level, low
Input logic level, high
Output logic level, low (1µA)
Output logic level, high(-1µA)
1.7
0
2.6
0.7
5.5
0.1
2.7
V
RXEN, TXEN, CONFIG, TXD
and RXD have internal 100 kΩ
series resistors. No internal
pull-ups. Outputs should not be
loaded resistively.
RESET pin
Input logic level, low
Input logic level, high
1.7
0.7
2.7
V
Internal 100 kΩ pull-up resistor
to VDD
ON/OFF pin
Input logic level, low
Input logic level, high
1.4
0.4
VCC
V
No internal pull-up resistor
UART Baud Rate tolerance
+/- 2 % UART receiver and transmitter
Configuration memory write
cycles
10 000 100 000 *The guaranteed number of
write cycles using the ‘M’
command is limited
* Write to configuration memory using the ‘M’ command on a strictly need-to-do basis only, not at every power-ON
Radiocrafts
Embedded Wireless Solutions
RC1240/1280/1290
©2011 Radiocrafts AS RC1240/RC1280/RC1290 Data Sheet (rev. 1.62) Page 21 of 26
Regulatory Compliance Information ETSI
The use of RF frequencies and maximum allowed RF power is limited by national regulations.
The RC1240 and RC1280 have been designed to comply with the R&TTE directive
1999/5/EC.
According to R&TTE directives, it is the responsibility of Radiocrafts’ customers (i.e. RC12x0
end user) to check that the host product (i.e. final product) is compliant with R&TTE essential
requirements. The use of a CE marked radio module can avoid re-certification of the final
product, provided that the end user respects the recommendations established by
Radiocrafts. A Declaration of Conformity is available from Radiocrafts on request.
The relevant regulations are subject to change. Radiocrafts AS do not take responsibility for
the validity and accuracy of the understanding of the regulations referred above. Radiocrafts
only guarantee that this product meets the specifications in this document. Radiocrafts is
exempt from any responsibilities related to regulatory compliance.
FCC/IC compliance (US, Canada)
The RC1290 device complies with Part 15 of the FCC Rules and Industry Canada (IC) RSS
210 issue 8.
Part number FCC ID IC ID
RC1290 Y2NRC1290 IC 9402A-RC1290
Operation is subject to the following two conditions: (1) this device may not cause harmful
interference, and (2) this device must accept any interference received, including interference
that may cause undesired operation.
Son fonctionnement est soumis aux deux conditions: (1) cet appareil ne doit pas créer
d'interférences nuisibles et (2) cet appareil doit accepter toute interférence reçue, y compris
les interférences qui peuvent en perturber le fonctionnement.
Changes or modifications to the equipment not expressly approved by the party responsible
for compliance could void the user's authority to operate the equipment.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P26

RC1280

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