CC1110FX_08 Datasheet, PDF (14/245 Pages) Texas Instruments – Low-Power SoC (System-on-Chip) with MCU, Memory, Sub-1 GHz RF Transceiver, and USB Controller

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
dBm
System clock running at 26 MHz
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.
Saturation
−14
dBm MCSM0.CLOSE_IN_RX=00
Adjacent
channel
rejection
38
dB Desired channel 3 dB above the sensitivity limit. 100 kHz channel
spacing
Alternate
channel
rejection
35
dB Desired channel 3 dB above the sensitivity limit. 100 kHz channel
spacing
See Figure 58 for plot of selectivity versus frequency offset
Image channel
33
dB IF frequency 152 kHz
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
dBm
System clock running at 26 MHz
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.
Saturation
Adjacent
channel
rejection
Alternate
channel
rejection
Image channel
rejection,
868 MHz
−14
dBm MCSM0.CLOSE_IN_RX=00
19
dB Desired channel 3 dB above the sensitivity limit. 200 kHz channel
spacing
32
dB Desired channel 3 dB above the sensitivity limit. 200 kHz channel
spacing
See Figure 59 for plot of selectivity versus frequency offset
28
dB IF frequency 152 kHz
Desired channel 3 dB above the sensitivity limit.
SWRS033G
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