CC1110Fx / CC1111Fx
Parameter
Min
Typ
Max
Unit Condition/Note
868 MHz, 1.2 kBaud data rate, sensitivity optimized, MDMCFG2.DEM_DCFILT_OFF=0
(GSK, 1% packet error rate, 20 bytes packet length, 5.2 kHz deviation, 58 kHz digital channel filter bandwidth)
-110
-110
dBm
dBm
System clock running at 26 MHz
Receiver
sensitivity
Tested conducted on [4] CC1111 USB-Dongle Reference Design,
24MHz clock
The RX current consumption can be reduced by approximately 2.0 mA
by setting MDMCFG2.DEM_DCFILT_OFF=1. The typical sensitivity is then
-107 dBm.
MCSM0.CLOSE_IN_RX=00
Saturation
-14
38
dBm
dB
Adjacent
channel
rejection
Desired channel 3 dB above the sensitivity limit. 100 kHz channel
spacing
Alternate
channel
rejection
35
33
dB
dB
Desired channel 3 dB above the sensitivity limit. 100 kHz channel
spacing
See Figure 57 for plot of selectivity versus frequency offset
IF frequency 152 kHz
Image channel
rejection,
868MHz
Desired channel 3 dB above the sensitivity limit.
868 MHz, 38.4 kBaud data rate, sensitivity optimized, MDMCFG2.DEM_DCFILT_OFF=0
(GSK, 1% packet error rate, 20 bytes packet length, 20 kHz deviation, 100 kHz digital channel filter bandwidth)
-102
-101
dBm
dBm
System clock running at 26 MHz
Receiver
sensitivity
Tested conducted on [4] CC1111 USB-Dongle Reference Design,
24MHz clock
The RX current consumption can be reduced by approximately 2.2 mA
by setting MDMCFG2.DEM_DCFILT_OFF=1. The typical sensitivity is then
-100 dBm.
MCSM0.CLOSE_IN_RX=00
Saturation
-14
19
dBm
dB
Adjacent
channel
rejection
Desired channel 3 dB above the sensitivity limit. 200 kHz channel
spacing
Alternate
channel
rejection
32
28
dB
dB
Desired channel 3 dB above the sensitivity limit. 200 kHz channel
spacing
See Figure 58 for plot of selectivity versus frequency offset
IF frequency 152 kHz
Image channel
rejection,
868MHz
Desired channel 3 dB above the sensitivity limit.
SWRS033E
Page 15 of 239
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