EM357-RTR Ember, EM357-RTR Datasheet - Page 25

• Manufacturer Part Number: EM357-RTR
• Description: IC RF TXRX ZIGBEE 192KB 48QFN
• Manufacturer: Ember

Specifications of EM357-RTR

• Frequency: 2.4GHz
• Data Rate - Maximum: 250kbps
• Modulation Or Protocol: 802.15.4 Zigbee
• Applications: General Purpose
• Power - Output: 5dBm
• Sensitivity: -100dBm
• Voltage - Supply: 2.1 V ~ 3.6 V
• Current - Receiving: 26mA
• Current - Transmitting: 31mA
• Data Interface: PCB, Surface Mount
• Memory Size: 192kB Flash, 12kB RAM
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 636-1011-2

Parameter
Maximum output power (boost mode)
Maximum output power
Minimum output power
Error vector magnitude (Offset-EVM)
Carrier frequency error
PSD mask relative
PSD mask absolute
Figure 2-4 shows the variation of transmit power with temperature for maximum boost mode power, and
normal mode for a typical chip.
Table 2-9. Transmit Characteristics
Test Conditions
At highest boost mode power setting (+8)
At highest normal mode power setting (+3)
At lowest power setting
As defined by IEEE 802.15.4-2003, which sets
a 35% maximum
3.5 MHz away
3.5 MHz away
Figure 2-4. Transmit power vs temperature
Final
2-11
Min.
-40
-20
-30
1
EM351 / EM357
Typ.
-55
8
5
5
Max.
+40
15
120-035X-000G
Unit
dBm
dBm
dBm
ppm
dBm
dB
%