AND RECEIVER. Si4355-C Datasheet

Si4355-C RECEIVER. Datasheet pdf. Equivalent

Part Si4355-C
Description LOW-CURRENT OOK/(G)FSK SUB-GHZ TRANSCEIVER / TRANSMITTER AND RECEIVER
Feature Si4x55-C EASY-TO-USE, LOW-CURRENT OOK/(G)FSK SUB-GHZ TRANSCEIVER, TRANSMITTER, AND RECEIVER Featur.
Manufacture Silicon Laboratories
Datasheet
Download Si4355-C Datasheet



Si4355-C
Si4x55-C
EASY-TO-USE, LOW-CURRENT OOK/(G)FSK SUB-GHZ
TRANSCEIVER, TRANSMITTER, AND RECEIVER
Features
Frequency
Max data rate = 500 kbps
range = 284–960 MHz
Power supply = 1.8 to 3.6 V
Receive sensitivity = –116 dBm TX and RX 64 byte FIFOs
Modulation
Automatic frequency control (AFC)
(G)FSK
Automatic gain control (AGC)
OOK
Integrated battery voltage sensor
Max output power = +13 dBm Packet handling including preamble,
Low active power consumption sync word detection, and CRC
10 mA RX
Low BOM
18 mA TX @ +10 dBm
20-Pin 3x3 mm QFN package
Low standby current = 40 nA
Low shutdown current = 30 nA
Preamble sense mode
6 mA average RX current at
1.2 kbps
Applications
Remote control
Home security and alarm
Telemetry
Garage and gate openers
Remote keyless entry
Home automation
Industrial control
Sensor networks
Health monitors
Description
Silicon Laboratories’ Si4455 is an easy-to-use, low current, sub-GHz
EZRadio® transceiver. The Si4055 is a transmit-only device, and the Si4355
is a receiver-only device based on the Si4x55 architecture. This data sheet
covers all three products with the transmit descriptions being relevant for
Si4455 and Si4055 and the receive descriptions being relevant for Si4455
and Si4355. Covering all major bands, it combines plug-and-play simplicity
with the flexibility needed to handle a wide variety of applications. The
compact 3x3 mm package size combined with a low external BOM count
makes the Si4x55 both space efficient and cost effective. The +13 dBm
output power and excellent sensitivity of –116 dBm allows for a longer
operating range, while the low current consumption of 18 mA TX (at 10 dBm),
10 mA RX, and 40 nA standby, provides for superior battery life. By fully
integrating all components from the antenna to the GPIO or SPI interface to
the MCU, the Si4x55 makes it easy to realize this performance in an
application. Design simplicity is further exemplified in the Wireless
Development Suite (WDS) user interface software. WDS provides simplified
programming options for a broad range of applications in an easy-to-use
format that results in faster and lower risk development. The Si4x55 is
capable of supporting major worldwide regulatory standards, such as FCC,
ETSI, ARIB, and China regulatory standards.
Pin Assignments
GND 1 20 19 18 17 16 nSEL
SDN 2
15 SDI
RXp 3
RXn 4
Si4455
14 SDO
13 SCLK
TX 5
12 nIRQ
GND 6 7 8 9 10 11 GPIO1
Patents pending
Rev 1.0 10/14
Copyright © 2014 by Silicon Laboratories
Si4x55-C



Si4355-C
Si4x55-C
Functional Block Diagram
GPIO3
GPIO2
XIN XOUT
SDN
RXp
RXn
Synthesizer
Rx Chain
LNA
TX PA
VDD
PGA
ADC
Battery
Voltage
Sensor
25-32MHz XO
Rx/Tx
Modem
nSEL
SDI
SDO
SCLK
nIRQ
Aux ADC
GPIO1
GPIO0
2 Rev 1.0





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