EM2420-RTB Ember, EM2420-RTB Datasheet - Page 18
EM2420-RTB
Manufacturer Part Number
EM2420-RTB
Description
IC RF TXRX ZIGBEE 2.4GHZ 48-QLP
Manufacturer
Ember
Datasheet
1.EM2420-RTR.pdf
(84 pages)
Specifications of EM2420-RTB
Mfg Application Notes
EM2420
Frequency
2.4GHz
Data Rate - Maximum
250kbps
Modulation Or Protocol
802.15.4
Applications
Home/Building Automation, ZigBee™
Power - Output
-3dBm
Sensitivity
-94dBm
Voltage - Supply
2.1 V ~ 3.6 V
Current - Receiving
19.7mA
Current - Transmitting
17.4mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
48-QLP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Memory Size
-
- Current page: 18 of 84
- Download datasheet (853Kb)
Ember Part Number: 120-0049-000D
(50 Ohm)
Antenna
Figure 3. Typical application circuit with discrete balun for single-ended operation
C62
Ref
C42
C61
C62
C71
C81
C381
C391
L61
L62
L81
R451
XTAL
C61
C71
L81
C81
L62
L61
Table 1. Overview of external components
Description
Voltage regulator load capacitance
Discrete balun and match, see page 51
DC block to antenna and match
Front-end bias decoupling and match, see page 51
Discrete balun and match, see page 51
16MHz crystal load capacitor, see page 50
16MHz crystal load capacitor, see page 50
DC bias and match, see page 51
DC bias and match, see page 51
Discrete balun and match, see page 51
Precision resistor for current reference generator
16MHz crystal, see page 50
12
1
2
3
4
5
6
7
8
9
10
11
VCO_GUARD
AVDD_VCO
AVDD_PRE
AVDD_RF1
GND
RF_P
RF_N
GND
AVDD_SW
TXRX_SWITCH
NC
NC
EM2420 Datasheet
R451
Power
supply
3.3 V
QLP48
7x7
C42
C391
XTAL
C381
DVDD_RAM
DVDD1.8
DVDD3.3
FIFOP
SCLK
FIFO
CSn
CCA
SFD
NC
SO
SI
EM2420
36
35
34
33
32
31
30
29
28
27
26
25
Page 18 of 84
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