CC2531F128 Datasheet, PDF (6/35 Pages) Texas Instruments – A USB-Enabled System-On-Chip Solution for 2.4-GHz IEEE 802.15.4 and ZigBee Applications

CC2531F128, CC2531F256
SWRS086A – SEPTEMBER 2009 – REVISED JUNE 2010
www.ti.com
RF RECEIVE SECTION
Measured on Texas Instruments CC2530 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]
[1] requires –85 dBm
–97 –92
–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
49
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
49
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
57
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
57
dB
Channel rejection
≥ 20 MHz
≤ –20 MHz
Wanted signal at –82 dBm. Undesired signal is an IEEE
802.15.4 modulated channel, stepped through all channels
from 2405 to 2480 MHz. Signal level for PER = 1%.
57
dB
57
Co-channel rejection
Wanted signal at –82 dBm. Undesired signal is 802.15.4
modulated at the same frequency as the desired signal. Signal
level for PER = 1%.
–3
dB
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
Wanted signal 3 dB above the sensitivity level, CW jammer,
PER = 1%. Measured according to EN 300 440 class 2.
–33
–33
–32
–31
dBm
–35
–35
–34
–34
Spurious emission. Only largest spurious
emission stated within each band.
30 MHz–1000 MHz
1 GHz–12.75 GHz
Frequency error tolerance⁽¹⁾
Symbol rate error tolerance⁽²⁾
Conducted measurement with a 50-Ω single-ended load.
Suitable for systems targeting compliance with EN 300 328,
EN 300 440, FCC CFR47 Part 15, and ARIB STD-T-66.
[1] requires minimum 80 ppm
[1] requires minimum 80 ppm
≤80
–57
±150
±1000
dBm
ppm
ppm
Sensitivity impact of USB operation
Measured on CC2531 dongle reference design with CDC bulk
transfer to PC at maximum speed
0.5
dB
(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
6
Submit Documentation Feedback
Copyright © 2009–2010, Texas Instruments Incorporated
Product Folder Link(s): CC2531F128 CC2531F256