SX1272IMLTRT Datasheet, PDF (1/129 Pages) Semtech Corporation – Low Power Long Range Transceiver

SX1272/73
WIRELESS, SENSING & TIMING
DATASHEET
SX1272/73 - 860 MHz to 1020 MHz Low Power Long Range Transceiver
GENERAL DESCRIPTION
The SX1272/73 transceivers feature the LoRa^TM long range
modem that provides ultra-long range spread spectrum
communication and high interference immunity whilst
minimising current consumption.
Using Semtech’s patented LoRa^TM modulation technique
SX1272/73 can achieve a sensitivity of over -137 dBm using
a low cost crystal and bill of materials. The high sensitivity
combined with the integrated +20 dBm power amplifier
yields industry leading link budget making it optimal for any
application requiring range or robustness. LoRa^TM also
provides significant advantages in both blocking and
selectivity over conventional modulation techniques, solving
the traditional design compromise between range,
interference immunity and energy consumption.
These devices also support high performance (G)FSK
modes for systems including WMBus, IEEE802.15.4g. The
SX1272/73 deliver exceptional phase noise, selectivity,
receiver linearity and IIP3 for significantly lower current
consumption than competing devices.
ORDERING INFORMATION
Part Number
SX1272IMLTRT
SX1273IMLTRT
Delivery
T&R
T&R
MOQ / Multiple
3000 pieces
3000 pieces
 QFN 28 Package - Operating Range from -40 to +85°C
 Pb-free, Halogen free, RoHS/WEEE compliant product
KEY PRODUCT FEATURES
 LoRa^TM Modem
 157 dB maximum link budget
 +20 dBm at 100 mW constant RF output vs. V supply
 +14 dBm high efficiency PA
 Programmable bit rate up to 300 kbps
 High sensitivity: down to -137 dBm
 Bullet-proof front end: IIP3 = -12.5 dBm
 89 dB blocking immunity
 Low RX current of 10 mA, 100 nA register retention
 Fully integrated synthesizer with a resolution of 61 Hz
 FSK, GFSK, MSK, GMSK, LoRa^TM and OOK modulation
 Built-in bit synchronizer for clock recovery
 Preamble detection
 127 dB Dynamic Range RSSI
 Automatic RF Sense and CAD with ultra-fast AFC
 Packet engine up to 256 bytes with CRC
 Built-in temperature sensor and low battery indicator
APPLICATIONS
 Automated Meter Reading
 Home and Building Automation
 Wireless Alarm and Security Systems
 Industrial Monitoring and Control
 Long range Irrigation Systems
Rev. 3 - March 2015
©2015 Semtech Corporation
Page 1
www.semtech.com