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)
Receiver
sensitivity
−110
−110
dBm System clock running at 26 MHz
dBm Tested conducted on [4] CC1111 USB-Dongle Reference Design, 24
MHz 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
dBm
dB
Adjacent
channel
rejection
38
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 58 for plot of selectivity versus frequency offset
IF frequency 152 kHz
Image channel
rejection,
868 MHz
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)
Receiver
sensitivity
−102
−101
dBm System clock running at 26 MHz
dBm Tested conducted on [4] CC1111 USB-Dongle Reference Design, 24
MHz 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
dBm
dB
Adjacent
channel
rejection
19
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 59 for plot of selectivity versus frequency offset
IF frequency 152 kHz
Image channel
rejection,
868 MHz
Desired channel 3 dB above the sensitivity limit.
SWRS033H
Page 14 of 246
TI [ TEXAS INSTRUMENTS ]
