EM2420-STR Ember, EM2420-STR Datasheet - Page 9

• Manufacturer Part Number: EM2420-STR
• Description: IC RF TXRX ZIGBEE 2.4GHZ 48-QLP
• Manufacturer: Ember

Specifications of EM2420-STR

• Mfg Application Notes: EM2420
• Frequency: 2.4GHz
• Data Rate - Maximum: 250kbps
• Modulation Or Protocol: 802.15.4
• Applications: ZigBee™
• Power - Output: -3dBm
• Sensitivity: -94dBm
• Voltage - Supply: 2.1 V ~ 3.6 V
• Current - Receiving: 19.7mA
• Current - Transmitting: 17.4mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-QLP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Memory Size: -

Ember Part Number: 120-0049-000D
Parameter
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
≥ + 15 MHz
≤ - 15 MHz
Blocking / Desensitization
+/- 5 MHz from channel center
+/- 10 MHz from channel center
+/- 20 MHz from channel center
+/- 50 MHz from channel center
Spurious emission
30 – 1000 MHz
1 – 12.75 GHz
Frequency error tolerance
Symbol rate error tolerance
RSSI / Carrier Sense
Carrier sense level
Min.
0
39
-300
EM2420 Datasheet
Typ.
10
46
39
58
55
-24
-24
-24
-23
− 77
Max.
-50
-45
-40
-30
−57
−47
300
120
Unit
dBm
dB
dB
dB
dB
dB
dBm
dBm
dBm
dBm
dBm
dBm
kHz
ppm
dBm
Condition / Note
PER = 1%, as specified by [1]
Measured in 50 Ω single-endedly
through a balun.
[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
Wanted signal @ -82 dBm.
Undesired signal is a 802.15.4
modulated channel, stepped
through all channels from 2405 to
2480 MHz. Signal level for PER =
1%.
Wanted signal 3 dB above the
sensitivity level, CW jammer,
PER = 1%. Maximum values
according to EN 300 440 class 2.
Complies with EN 300 328, EN
300 440 class 2, CFR47, Part 15
and ARIB STD-T-66
Difference between center
frequency of the received RF
signal and local oscillator
frequency
[1] requires 200 kHz
Difference between incoming
symbol rate and the internally
generated symbol rate
[1] requires 80 ppm
Programmable in
RSSI.CCA_THR
EM2420
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