CC2500RGPR Datasheet, PDF (10/99 Pages) Texas Instruments – Low-Cost Low-Power 2.4 GHz RF Transceiver

CC2500
Parameter
Min Typ Max Unit Condition/Note
250 kBaud data rate, sensitivity optimized, MDMCFG2.DEM_DCFILT_OFF=0
(MSK, 1% packet error rate, 20 bytes packet length, 540 kHz digital channel filter bandwidth)
Receiver sensitivity
–89
dBm
Saturation
–13
dBm
Adjacent channel rejection
21
dB Desired channel 3 dB above the sensitivity limit. 750
kHz channel spacing
Alternate channel rejection
30
dB Desired channel 3 dB above the sensitivity limit. 750
kHz channel spacing
See Figure 24 for plot of selectivity versus frequency
offset
Blocking
Wanted signal 3 dB above sensitivity level.
±10 MHz offset
±20 MHz offset
46
dB Compliant with ETSI EN 300 440 class 2 receiver
53
dB ^{requirements.}
±50 MHz offset
55
dB
250 kBaud data rate, current optimized, MDMCFG2.DEM_DCFILT_OFF=1
(MSK, 1% packet error rate, 20 bytes packet length, 540 kHz digital channel filter bandwidth)
Receiver sensitivity
–87
dBm
Saturation
–12
dBm
Adjacent channel rejection
21
dB Desired channel 3 dB above the sensitivity limit. 750
kHz channel spacing
Alternate channel rejection
30
dB Desired channel 3 dB above the sensitivity limit. 750
kHz channel spacing
See Figure 25 for plot of selectivity versus frequency
offset
Blocking
Wanted signal 3 dB above sensitivity level.
±10 MHz offset
±20 MHz offset
46
dB Compliant with ETSI EN 300 440 class 2 receiver
52
dB ^{requirements.}
±50 MHz offset
55
dB
500 kBaud data rate, MDMCFG2.DEM_DCFILT_OFF=0 (MDMCFG2.DEM_DCFILT_OFF=1 cannot be used for data rates
>250 kBaud)
(MSK, 1% packet error rate, 20 bytes packet length, 812 kHz digital channel filter bandwidth)
Receiver sensitivity
–83
dBm
Saturation
–18
dBm
Adjacent channel rejection
14
dB Desired channel 3 dB above the sensitivity limit. 1 MHz
channel spacing
Alternate channel rejection
25
dB Desired channel 3 dB above the sensitivity limit. 1 MHz
channel spacing
See Figure 26 for plot of selectivity versus frequency
offset
Blocking
Wanted signal 3 dB above sensitivity level.
±10 MHz offset
±20 MHz offset
40
dB Compliant with ETSI EN 300 440 class 2 receiver
48
dB ^{requirements.}
±50 MHz offset
50
dB
General
Spurious emissions
25 MHz – 1 GHz
–57 dBm
Above 1 GHz
–47 dBm
RX latency
9
bit Serial operation. Time from start of reception until data
is available on the receiver data output pin is equal to 9
bit.
Table 5: RF Receive Section
SWRS040C
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