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
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
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
PER = 1%, as specified by [1]
[1] requires –20 dBm
Wanted signal –82 dBm, adjacent modulated channel at
5 MHz, PER = 1%, as specified by [1].
[1] requires 0 dB
Wanted signal –82 dBm, adjacent modulated channel at
–5 MHz, PER = 1%, as specified by [1].
[1] requires 0 dB
Wanted signal –82 dBm, adjacent modulated channel at
10 MHz, PER = 1%, as specified by [1]
[1] requires 30 dB
Wanted signal –82 dBm, adjacent modulated channel at
–10 MHz, PER = 1%, as specified by [1]
[1] requires 30 dB
10
MIN
TYP MAX
–97
–92
–88
UNIT
dBm
dBm
dBm
Receiver sensitivity
44
dB
44
dB
52
dB
52
dB
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
51
dB
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
Spurious emission. Only largest spurious
Conducted measurement with a 50-Ω single-ended load.
emission stated within each band.
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)
Symbol rate error tolerance
(2)
(1)
(2)
[1] requires minimum 80 ppm
[1] requires minimum 80 ppm
–35
–34
–37
–32
–37
–38
–35
–34
dBm
–80
–80
±150
±1000
dBm
ppm
ppm
Difference between center frequency of the received RF signal and local oscillator frequency
Difference between incoming symbol rate and the internally generated symbol rate
Copyright © 2012–2013, Texas Instruments Incorporated
Product Folder Links:
7
TAOS [ TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS ]
