CC2538 Datasheet, PDF (7/24 Pages) TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS – A Powerful System-On-Chip for 2.4-GHz IEEE 802.15.4, 6LoWPAN and ZigBee Applications

CC2538
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SWRS096A – DECEMBER 2012 – REVISED APRIL 2013
RF RECEIVE SECTION
Measured on Texas Instruments CC2538 EM reference design with T_A = 25°C, V_DD = 3 V, and f_c = 2440 MHz, unless
otherwise noted.
Bold limits apply over the entire operating range, T_A = –40°C to 125°C, V_DD = 2 V to 3.6 V, and f_c = 2394 MHz to 2507 MHz.
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
Receiver sensitivity
PER = 1%, as specified by [1], normal operating conditions
(25°C, 3V, 2440 MHz)
[1] requires –85 dBm
PER = 1%, as specified by [1], entire operating conditions
[1] requires –85 dBm
–97 –92 dBm
–88 dBm
Saturation (maximum input level)
PER = 1%, as specified by [1]
[1] requires –20 dBm
10
dBm
Adjacent-channel rejection,
5-MHz channel spacing
Wanted signal –82 dBm, adjacent modulated channel at
5 MHz, PER = 1%, as specified by [1].
[1] requires 0 dB
44
dB
Adjacent-channel rejection,
–5-MHz channel spacing
Wanted signal –82 dBm, adjacent modulated channel at
–5 MHz, PER = 1%, as specified by [1].
[1] requires 0 dB
44
dB
Alternate-channel rejection,
10-MHz channel spacing
Wanted signal –82 dBm, adjacent modulated channel at
10 MHz, PER = 1%, as specified by [1]
[1] requires 30 dB
52
dB
Alternate-channel rejection,
–10-MHz channel spacing
Wanted signal –82 dBm, adjacent modulated channel at
–10 MHz, PER = 1%, as specified by [1]
[1] requires 30 dB
52
dB
Channel rejection
Wanted signal at –82 dBm. Undesired signal is an IEEE
≥ 20 MHzXXXXX ^{802.15.4 modulated channel, stepped through all channels}
≤ –20 MHzXXXXX ^{from 2405 to 2480 MHz. Signal level for PER = 1%.}
51
dB
51
Blocking/desensitization
5 MHz from band edgeXXXXX Wanted signal 3 dB above the sensitivity level, CW jammer,
10 MHz from band edgeXXXXX PER = 1%. Measured according to EN 300 440 class 2.
20 MHz from band edgeXXXXX
50 MHz from band edgeXXXXX
–5 MHz from band edgeXXXXX
–10 MHz from band edgeXXXXX
–20 MHz from band edgeXXXXX
–50 MHz from band edgeXXXXX
–35
–34
–37
–32
dBm
–37
–38
–35
–34
Spurious emission. Only largest spurious
emission stated within each band.
Conducted measurement with a 50-Ω single-ended load.
Suitable for systems targeting compliance with EN 300 328,
30 MHz–1000 MHzXXXXX _{EN 300 440, FCC CFR47 Part 15, and ARIB STD-T-66.}
1 GHz–12.75 GHzXXXXX
Frequency error tolerance⁽¹⁾
[1] requires minimum 80 ppm
Symbol rate error tolerance⁽²⁾
[1] requires minimum 80 ppm
–80
–80
±150
±1000
dBm
ppm
ppm
(1) Difference between center frequency of the received RF signal and local oscillator frequency
(2) Difference between incoming symbol rate and the internally generated symbol rate
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