CC1110Fx / CC1111Fx
7.2 RF Receive Section
TA = 25 °C, VDD = 3.0 V if nothing else stated. All measurement results are obtained using the
CC1110EM reference design ([1]) if nothing else is stated.
Parameter
Min
Typ
Max
Unit Condition/Note
kHz User programmable (see section 14.6). The bandwidth limits are
Digital channel
filter bandwidth
58
812
proportional to crystal frequency (given values assume a 26MHz system
clock).
315 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
-112
dBm System clock running at 26 MHz
dBm System clock running at 24MHz
Receiver
sensitivity
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.
315 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
-103
dBm System clock running at 26 MHz
dBm System clock running at 24MHz
Receiver
sensitivity
The RX current consumption can be reduced by approximately 2.1 mA
by setting MDMCFG2.DEM_DCFILT_OFF=1. The typical sensitivity is then
-99 dBm.
315 MHz, 250 kBaud data rate, sensitivity optimized, MDMCFG2.DEM_DCFILT_OFF=0(MDMCFG2.DEM_DCFILT_OFF=1
cannot be used for data rates > 100 kBaud)
(GSK, 1% packet error rate, 20 bytes packet length, 127 kHz deviation, 540 kHz digital channel filter bandwidth)
-94
-94
dBm System clock running at 26 MHz
dBm System clock running at 24MHz
Receiver
sensitivity
433 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)
System clock running at 26 MHz
System clock running at 24MHz
-110
-110
dBm
dBm
Receiver
sensitivity
The RX current consumption can be reduced by approximately 2.6 mA
by setting MDMCFG2.DEM_DCFILT_OFF=1. The typical sensitivity is then
-107 dBm.
433 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)
System clock running at 26 MHz
System clock running at 24MHz
-102
-101
dBm
dBm
Receiver
sensitivity
The RX current consumption can be reduced by approximately 2.7 mA
by setting MDMCFG2.DEM_DCFILT_OFF=1. The typical sensitivity is then
-99 dBm.
Parameter
Min
Typ
Max
Unit Condition/Note
433 MHz, 250 kBaud data rate, sensitivity optimized, MDMCFG2.DEM_DCFILT_OFF=0(MDMCFG2.DEM_DCFILT_OFF=1
cannot be used for data rates > 100 kBaud)
(GSK, 1% packet error rate, 20 bytes packet length, 127 kHz deviation, 540 kHz digital channel filter bandwidth)
-95
-93
System clock running at 26 MHz
Receiver
sensitivity
System clock running at 24MHz
See Table 9 for typical variation over operating conditions
SWRS033E
Page 14 of 239
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