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CC2545_15 Datasheet, PDF (4/31 Pages) Texas Instruments – System-on-Chip for 2.4-GHz RF Applications | |||
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CC2545
SWRS106B â JUNE 2012 â REVISED FEBRUARY 2013
www.ti.com
RF RECEIVE SECTION
Measured on Texas Instruments CC2545EM reference design with TA = 25°C, VDD = 3 V, and fC = 2440 MHz, unless
otherwise noted.
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
2 Mbps, GFSK, 320-kHz DEVIATION, 0.1% BER
Receiver sensitivity
â86
dBm
Saturation
â8
dBm
Co-channel rejection
Wanted signal at â67 dBm
â13
dB
±2-MHz offset, wanted signal at â67 dBm
â1
In-band blocking rejection
±4-MHz offset, wanted signal at â67 dBm
34
dB
>±6-MHz offset, wanted signal at â67 dBm
38
1-MHz resolution. Wanted signal at â67 dBm, f < 2 GHz
Two exception frequencies with poorer performance
â32
Out-of-band blocking rejection
1-MHz resolution. Wanted signal at â67 dBm, 2 GHz > f < 3 GHz
Two exception frequencies with poorer performance
â38
dBm
Intermodulation
1-MHz resolution. Wanted signal at â67 dBm, f > 3GHz
Two exception frequencies with poorer performance
Wanted signal at â64 dBm, 1st interferer is CW, 2nd interferer is GFSK-
modulated signal. Offsets of interferers are:
6 and 12 MHz
8 and 16 MHz
10 and 20 MHz
â12
â43
dBm
Frequency error tolerance(1)
Symbol rate error tolerance(2)
Including both initial tolerance and drift. Sensitivity better than â70 dBm.
250 byte payload.
Sensitivity better than -70 dBm. 250 byte payload.
â300
â120
300 kHz
120 ppm
2 Mbps, GFSK, 500 kHz DEVIATION, 0.1% BER
Receiver sensitivity
â90
dBm
Saturation
â3
dBm
Co-channel rejection
Wanted signal at â67 dBm
â10
dB
±2 MHz offset, wanted signal at â67 dBm
â3
dB
In-band blocking rejection
±4 MHz offset, wanted signal at â67 dBm
36
dB
>±6 MHz offset, wanted signal at â67 dBm
44
dB
Frequency error tolerance(1)
Symbol rate error tolerance(2)
Including both initial tolerance and drift. Sensitivity better than â70 dBm.
250 byte payload.
Sensitivity better than -70 dBm. 250 byte payload.
â300
â120
300 kHz
120 ppm
1 Mbps, GFSK, 250 kHz DEVIATION, 0.1% BER
Receiver sensitivity
â94
dBm
Saturation
6
dBm
Co-channel rejection
Wanted signal at â67 dBm
â7
dB
±1 MHz offset, wanted signal â67 dBm
0
In-band blocking rejection
±2 MHz offset, wanted signal â67 dBm
±3 MHz offset, wanted signal â67 dBm
30
dB
34
>±5 MHz offset, wanted signal â67 dBm
38
Frequency error tolerance
Including both initial tolerance and drift. Sensitivity better than â70 dBm.
250 byte payload.
â250
250 kHz
Symbol rate error tolerance
Sensitivity better than â70 dBm. 250 byte payload.
-80
80 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
4
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