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SN250 Datasheet(PDF) 18 Page - STMicroelectronics

Part # SN250
Description  Single-chip ZigBee/802.15.4 solution
PDF  130 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SN250 Datasheet(HTML) 18 Page - STMicroelectronics

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Electrical characteristics
SN250
18/130
5.5
RF electrical characteristics
5.5.1
Receive
Table 7 lists the key parameters of the integrated IEEE 802.15.4 receiver on the SN250.
.
Table 7.
Receive characteristics
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Frequency range
2400
2500
MHz
Sensitivity (boost mode)
1% PER, 20byte packet
defined by IEEE 802.15.4
− 93
− 98
dBm
Sensitivity
1% PER, 20byte packet
defined by IEEE 802.15.4
− 92
− 97
dBm
High-side adjacent channel
rejection
IEEE 802.15.4 signal at
− 82dBm
35
dB
Low-side adjacent channel
rejection
IEEE 802.15.4 signal at
− 82dBm
35
dB
2nd high-side adjacent channel
rejection
IEEE 802.15.4 signal at
− 82dBm
40
dB
2nd low-side adjacent channel
rejection
IEEE 802.15.4 signal at
− 82dBm
40
dB
Channel rejection for all other
channels
IEEE 802.15.4 signal at
− 82dBm
40
dB
802.11g rejection centered at
+
12MHz or
− 13MHz
IEEE 802.15.4 signal at
− 82dBm
40
dB
Maximum input signal level for
correct operation (low gain)
0dBm
Image suppression
30
dB
Co-channel rejection
IEEE 802.15.4 signal at
− 82dBm
− 6dBc
Relative frequency error
(2x40 ppm required by IEEE
802.15.4)
− 120
+ 120
ppm
Relative timing error
(2x40 ppm required by IEEE
802.15.4)
− 120
+ 120
ppm
Linear RSSI range
40
dB



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