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S2-LPQTR Datasheet(PDF) 14 Page - STMicroelectronics

Part # S2-LPQTR
Description  Excellent receiver selectivity and blocking
PDF  90 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

S2-LPQTR Datasheet(HTML) 14 Page - STMicroelectronics

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 14 / 90 page
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Typical application diagram and pin description
S2-LP
14/90
DocID029944 Rev 1
N.
Pin name
Pin type
Description
6
SDN
Digital in
Shutdown input pin. SDN should be = ‘0’ in all modes, but
SHUTDOWN mode
7
VDD
ANA/
SYNTH
Power
1.8 V to 3.6 V power
8
VR
SYNTH
Analog in/out
1.2 V SYNTH-LDO output for decoupling
9
VREF
VCO
Analog out
1.2 V VCO-LDO for decoupling
10
VDD
VCO/TX
Power
1.8 V to 3.6 V power supply
11
TX
RF output
RF output signal
12
VR RF
Analog in/out
1.2 V RX-LDO output for decoupling
13
RXn
RF in
Differential RF input signals for the LNA
14
RXp
RF in
15
VDD
RX/DIG
Power
1.8 V to 3.6 V power supply
16
SDO
Digital out
SPI slave data output
17
SDI
Digital in
SPI slave data input
18
SCLK
Digital in
SPI slave clock input
19
CSn
Digital in
SPI chip select
20
GPIO0
Digital I/O
General purpose I/O that may be configured through the SPI
registers to perform various functions
21
GPIO1
Digital I/O
22
GPIO2
Digital I/O
23
GPIO3
Digital I/O
24
VR DIG
Analog in/out
1.2 V digital power supply output for decoupling



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