CC2544_15 Datasheet, PDF (5/29 Pages) Texas Instruments – System-on-Chip for 2.4-GHz USB Applications

CC2544
www.ti.com
SWRS103D – JUNE 2011 – REVISED MAY 2012
RF RECEIVE SECTION (continued)
Measured on Texas Instruments CC2544EM reference design with T_A = 25°C, VDD = 3.3 V, VBUS tied to 5 V, and f_C = 2440
MHz, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
1 Mbps, GFSK, 160-kHz Deviation, 0.1% BER
Receiver sensitivity
Saturation ⁽¹⁾
-87
dBm
5
dBm
Co-channel rejection
Wanted signal at -67 dBm
-9
dB
±2-MHz offset, wanted signal –67 dBm
26
±4-MHz offset, wanted signal –67 dBm
In-band blocking rejection
±6-MHz offset, wanted signal –67 dBm
30
dB
40
>12-MHz offset, wanted signal –67 dBm
46
Frequency error
tolerance ⁽²⁾
Including both initial tolerance and drift. Sensitivity better
than –70 dBm. 250-byte payload
–250
250
kHz
Symbol-rate error
tolerance ⁽³⁾
Sensitivity better than –70 dBm. 250-byte payload
–80
80
ppm
500 kbps, MSK, 0.1% BER
Receiver sensitivity
Saturation ⁽⁴⁾
-96
dBm
5
dBm
Co-channel rejection
Wanted signal at -67 dBm
-5
dB
±2-MHz offset, wanted signal –67 dBm
31
±4-MHz offset, wanted signal –67 dBm
In-band blocking rejection
±6-MHz offset, wanted signal –67 dBm
31
dB
45
>12-MHz offset, wanted signal –67 dBm
54
Frequency error
tolerance ⁽⁵⁾
Including both initial tolerance and drift. Sensitivity better
than –70 dBm. 250-byte payload
–150
150
kHz
Symbol-rate error
tolerance ⁽⁶⁾
Sensitivity better than –70 dBm. 250-byte payload
–60
60
ppm
(4) AGC enabled
(5) Difference between center frequency of the received RF signal and local oscillator frequency
(6) Difference between incoming symbol rate and the internally generated symbol rate
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