EM2420-STR Ember, EM2420-STR Datasheet - Page 13

• Manufacturer Part Number: EM2420-STR
• Description: IC RF TXRX ZIGBEE 2.4GHZ 48-QLP
• Manufacturer: Ember

Specifications of EM2420-STR

• Mfg Application Notes: EM2420
• Frequency: 2.4GHz
• Data Rate - Maximum: 250kbps
• Modulation Or Protocol: 802.15.4
• Applications: 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: Contains lead / RoHS non-compliant
• Memory Size: -

Pin Assignment
Pin
-
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Ember Part Number: 120-0049-000D
Pin Name
AGND
VCO_GUARD
AVDD_VCO
AVDD_PRE
AVDD_RF1
GND
RF_P
TXRX_SWITCH
RF_N
GND
AVDD_SW
NC
NC
NC
AVDD_RF2
TXRX_SWITCH
VCO_GUARD
AVDD_VCO
AVDD_PRE
AVDD_RF1
AVDD_SW
RF_P
RF_N
GND
GND
NC
NC
1
2
3
4
5
6
7
8
9
10
11
12
Pin type
Ground (analog)
Power (analog)
Power (analog)
Power (analog)
Power (analog)
Ground (analog)
RF I/O
Power (analog)
RF I/O
Ground (analog)
Power (analog)
-
-
-
Power (analog)
Figure 1. The
EM2420 Datasheet
EM2420
Exposed die attach pad. Must be connected to solid ground
Connection of guard ring for VCO (to AVDD) shielding
1.8 V Power supply for VCO
1.8 V Power supply for Prescaler
1.8 V Power supply for RF front-end
Grounded pin for RF shielding
Common supply connection for integrated RF front-end. Must
Grounded pin for RF shielding
1.8 V Power supply for LNA / PA switch
1.8 V Power supply for receive and transmit mixers
Pin Description
plane
Positive RF input/output signal to LNA/from PA in
receive/transmit mode
be connected to RF_P and RF_N externally through a DC
path
Negative RF input/output signal to LNA/from PA in
receive/transmit mode
Not Connect
Not Connect
Not Connect
QLP48
7x7
Pinout – Top View
36
35
34
33
32
31
30
29
28
27
26
25
Exposed die
attach pad
AGND
EM2420
DVDD_RAM
SO
SI
SCLK
CSn
FIFO
FIFOP
CCA
SFD
DVDD1.8
DVDD3.3
NC
Page 13 of 84