EM357-RTB Ember, EM357-RTB Datasheet - Page 23
![IC RF TXRX ZIGBEE 192KB 48QFN](/photos/14/19/141904/636-48-qfn_sml.jpg)
EM357-RTB
Manufacturer Part Number
EM357-RTB
Description
IC RF TXRX ZIGBEE 192KB 48QFN
Manufacturer
Ember
Specifications of EM357-RTB
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
Q5059680
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Parameter
2
2
High-side adjacent channel rejection
Low-side adjacent channel rejection
2
2
Channel rejection for all other channels
802.11g rejection centered at +12 MHz or
-13 MHz
Maximum input signal level for correct
operation
Co-channel rejection
Relative frequency error
(50% greater than the 2x40 ppm required by
IEEE 802.15.4-2003)
Relative timing error
(50% greater than the 2x40 ppm required by
IEEE 802.15.4-2003)
Linear RSSI range
RSSI Range
nd
nd
nd
nd
high-side adjacent channel rejection
low-side adjacent channel rejection
high-side adjacent channel rejection
low-side adjacent channel rejection
Test Conditions
Filtered IEEE 802.15.4-2003 interferer signal,
wanted IEEE 802.15.4-2003 signal at -82 dBm
Filtered IEEE 802.15.4-2003 interferer signal,
wanted IEEE 802.15.4-2003 signal at -82 dBm
CW interferer signal, wanted IEEE 802.15.4-
2003 signal at -82 dBm
CW interferer signal, wanted IEEE 802.15.4-
2003 signal at -82 dBm
CW interferer signal, wanted IEEE 802.15.4-
2003 signal at -82 dBm
CW interferer signal, wanted IEEE 802.15.4-
2003 signal at -82 dBm
IEEE 802.15.4-2003 interferer signal, wanted
IEEE 802.15.4-2003 signal at -82 dBm
IEEE 802.15.4-2003 interferer signal, wanted
IEEE 802.15.4-2003 signal at -82 dBm
IEEE 802.15.4-2003 interferer signal, wanted
IEEE 802.15.4-2003 signal at -82 dBm
As defined by IEEE 802.15.4-2003
Final
2-9
Min.
-120
-120
-90
40
0
EM351 / EM357
Typ.
49
49
44
47
59
59
40
36
-6
Max.
+120
+120
-40
120-035X-000G
Unit
dBm
ppm
ppm
dBm
dBc
dB
dB
dB
dB
dB
dB
dB
dB
dB
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