EM250-RTR Ember, EM250-RTR Datasheet - Page 16

• 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

EM250
16
120-0082-000I
3.5.2
Table 8 lists the key parameters of the integrated IEEE 802.15.4 transmitter on the EM250.
Parameter
Maximum output power (boost mode) At highest power setting
Maximum output power
Minimum output power
Error vector magnitude
Carrier frequency error
Load impedance
PSD mask relative
PSD mask absolute
3.5.3
Table 9 lists the key parameters of the integrated synthesizer on the EM250.
Parameter
Frequency range
Frequency resolution
Lock time
Relock time
Phase noise at 100kHz
Phase noise at 1MHz
Phase noise at 4MHz
Phase noise at 10MHz
Transmit
Synthesizer
Table 9. Synthesizer Characteristics
Table 8. Transmit Characteristics
Test Conditions
At highest power setting
At lowest power setting
As defined by IEEE 802.15.4, which
sets a 35% maximum
3.5MHz away
3.5MHz away
Test Conditions
From off, with correct VCO DAC
setting
Channel change or RX/TX
turnaround (IEEE 802.15.4
defines 192µs turnaround time)
Min.
2400
Min.
0
- 40
- 20
- 30
Typ.
11.7
- 71
- 91
- 103
- 111
Typ.
5
3
- 32
15
200
2500
Max.
100
100
Max.
25
+ 40
Unit
MHz
kHz
µs
µs
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
Unit
dBm
dBm
dBm
%
ppm
Ω
dB
dBm