EM357-RTB Ember, EM357-RTB Datasheet - Page 15
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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2 Electrical Characteristics
2.1 Absolute Maximum Ratings
2.2 Recommended Operating Conditions
Parameter
Regulator input voltage (VDD_PADS)
Analog, Memory and Core voltage
(VDD_24MHZ, VDD_VCO, VDD_RF, VDD_IF,
VDD_PADSA, VDD_MEM, VDD_PRE,
VDD_SYNTH, VDD_CORE)
Voltage on RF_P,N; RF_TX_ALT_P,N
RF Input Power
(for max level for correct packet reception
see Table 2-8)
Voltage on any GPIO (PA[7:0], PB[7:0],
PC[7:0]), SWCLK, nRESET, VREG_OUT
Voltage on any GPIO pin (PA4, PA5, PB5, PB6,
PB7, PC1), when used as an input to the
general purpose ADC
Voltage on OSCA, OSCB, NC
Storage temperature
Parameter
Regulator input voltage (VDD_PADS)
Analog and memory input voltage
(VDD_24MHZ, VDD_VCO, VDD_RF, VDD_IF,
VDD_PADSA, VDD_MEM, VDD_PRE,
VDD_SYNTH)
Core input voltage when supplied from
internal regulator (VDD_CORE)
Core input voltage when supplied externally
(VDD_CORE)
Operating temperature range
Table 2-1 lists the absolute maximum ratings for the EM35x.
Table 2-2 lists the rated operating conditions of the EM35x.
Table 2-1. Absolute Maximum Ratings
Test Conditions
RX signal into a lossless balun
Test Conditions
Table 2-2. Operating Conditions
Final
2-1
Min.
1.18
1.18
2.1
1.7
-40
EM351 / EM357
Min.
-0.3
-0.3
-0.3
-0.3
-0.3
-0.3
-40
Typ.
1.25
1.8
VDD_PADSA
VDD_PADS
Max.
+140
+3.6
+2.0
+3.6
+0.3
+0.3
+15
Max.
2.0
1.32
+85
3.6
1.9
1.9
120-035X-000G
Unit
Unit
dBm
°C
°C
V
V
V
V
V
V
V
V
V
V
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