Rainbow Electronics RC1290 User Manual
Page 15
RC1240/1280/1290
2005 Radiocrafts AS
RC1240/RC1280/RC1290 Data Sheet (rev. 1.3)
Page 15 of 17
Blocking / Interferer rejection /
desensitization
+/- 1 MHz
+/- 2 MHz
+/- 5 MHz
+/- 10 MHz
40
40
50
60
60
60
70
75
dB
Wanted signal3 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 k
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 k 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