EM250-RTR Ember, EM250-RTR Datasheet - Page 15

• Manufacturer Part Number: EM250-RTR
• Description: IC ZIGBEE SYSTEM-ON-CHIP 48-QFN
• Manufacturer: Ember
• Series: EM250r

Specifications of EM250-RTR

• Frequency: 2.4GHz
• Modulation Or Protocol: 802.15.4 Zigbee
• Applications: Home/Building Automation, Industrial Control and Monitoring
• Power - Output: 3dBm
• Sensitivity: -97dBm
• Voltage - Supply: 2 V ~ 3.6 V
• Current - Receiving: 35.5mA
• Current - Transmitting: 33mA
• Data Interface: PCB, Surface Mount
• Memory Size: 128kB Flash, 5kB SRAM
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-QFN
• For Use With: 636-1009 - PROGRAMMER USB FLASH EM250/260
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Rate - Maximum: -
• Other names: 636-1000-2

3.5
RF Electrical Characteristics
3.5.1
Table 7 lists the key parameters of the integrated IEEE 802.15.4 receiver on the EM250.
Parameter
Frequency range
Sensitivity (boost mode)
Sensitivity
High-side adjacent channel rejection
Low-side adjacent channel rejection
2
2
Channel rejection for all other channels
802.11g rejection centered at + 12MHz
or - 13MHz
Maximum input signal level for correct
operation (low gain)
Image suppression
Co-channel rejection
Relative frequency error
(2x40 ppm required by IEEE 802.15.4)
Relative timing error
(2x40 ppm required by IEEE 802.15.4)
Linear RSSI range
nd
nd
high-side adjacent channel rejection
low-side adjacent channel rejection
Receive
Table 7. Receive Characteristics
Test Conditions
1% PER, 20byte packet defined
by IEEE 802.15.4
1% PER, 20byte packet defined
by IEEE 802.15.4
IEEE 802.15.4 signal at - 82dBm
IEEE 802.15.4 signal at - 82dBm
IEEE 802.15.4 signal at - 82dBm
IEEE 802.15.4 signal at - 82dBm
IEEE 802.15.4 signal at - 82dBm
IEEE 802.15.4 signal at - 82dBm
IEEE 802.15.4 signal at - 82dBm
Min.
2400
- 93
- 92
0
- 120
- 120
40
Typ.
- 98
- 97
35
35
40
40
40
40
30
- 6
120-0082-000I
Max.
2500
+ 120
+ 120
EM250
Unit
MHz
dBm
dBm
dB
dB
dB
dB
dB
dB
dBm
dB
dBc
ppm
ppm
dB
15