CC2480_11 Datasheet, PDF (9/48 Pages) Texas Instruments – Z-Accel 2.4 GHz ZigBee Processor

CC2480
5.2 RF Receive Section
Measured on Texas Instruments CC2480 EM reference design with T_A=25°C and VDD=3.0V
unless stated otherwise.
Table 5: RF Receive Parameters
Parameter
Receiver sensitivity
Saturation (maximum input
level)
Adjacent channel rejection
+ 5 MHz channel spacing
Adjacent channel rejection
- 5 MHz channel spacing
Alternate channel rejection
+ 10 MHz channel spacing
Alternate channel rejection
- 10 MHz channel spacing
Channel rejection
≥ + 15 MHz
≤ - 15 MHz
Co-channel rejection
Blocking / Desensitization
+ 5 MHz from band edge
+ 10 MHz from band edge
+ 20 MHz from band edge
+ 50 MHz from band edge
- 5 MHz from band edge
- 10 MHz from band edge
- 20 MHz from band edge
- 50 MHz from band edge
Min Typ Max Unit Condition/Note
-92
dBm PER = 1%, as specified by [1]
Measured in 50 Ω single endedly through a balun.
[1] requires –85 dBm
10
dBm PER = 1%, as specified by [1]
Measured in 50 Ω single endedly through a balun.
[1] requires –20 dBm
Wanted signal -88dBm, adjacent modulated channel
41
dB ^{at +5 MHz, PER = 1 %, as specified by [1].}
[1] requires 0 dB
Wanted signal -88dBm, adjacent modulated channel
30
dB ^{at -5 MHz, PER = 1 %, as specified by [1].}
[1] requires 0 dB
Wanted signal -88dBm, adjacent modulated channel
55
dB ^{at +10 MHz, PER = 1 %, as specified by [1]}
[1] requires 30 dB
Wanted signal -88dBm, adjacent modulated channel
53
dB ^{at -10 MHz, PER = 1 %, as specified by [1]}
[1] requires 30 dB
Wanted signal @ -82 dBm. Undesired signal is an
55
dB ^{802.15.4 modulated channel, stepped through all}
channels from 2405 to 2480 MHz. Signal level for
53
dB _{PER = 1%. Values are estimated.}
Wanted signal @ -82 dBm. Undesired signal is
-6
dB 802.15.4 modulated at the same frequency as the
desired signal. Signal level for PER = 1%.
-42
dBm Wanted signal 3 dB above the sensitivity level, CW
-29
dBm jammer, PER = 1%. Measured according to EN 300
-26
dBm 440 class 2.
-22
dBm
-31
dBm
-36
dBm
-24
dBm
-25
dBm
Spurious emission
30 – 1000 MHz
1 – 12.75 GHz
Frequency error tolerance
Symbol rate error tolerance
−64 dBm Conducted measurement in a 50 Ω single ended
−75 dBm load. Complies with EN 300 328, EN 300 440 class
2, FCC CFR47, Part 15 and ARIB STD-T-66.
±140
±900
ppm Difference between centre frequency of the received
RF signal and local oscillator frequency.
[1] requires minimum 80 ppm
ppm Difference between incoming symbol rate and the
internally generated symbol rate
[1] requires minimum 80 ppm
5.3 RF Transmit Section
Measured on Texas Instruments CC2480 EM reference design with T_A=25°C, VDD=3.0V, and
nominal output power unless stated otherwise.
CC2480 Data Sheet SWRS074A
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