SX1235中文资料ETSI类别1兼容的RF收发器数据手册Semtech规格书

描述 Description

The SX1235 is a highly integrated RF transceiver optimized for operation compliant with ETSI EN 300 220 receiver category 1.

特性 Features

·High sensitivity: down to -123 dBm at 1.2 kbps
·High selectivity: 60 dB typ. ACR
·High linearity: 50 dB typ. of adjacent channel saturation
·80 dB Blocking immunity, 100 dB with SAW
·Image rejection of over 45 dB
·Low current: Rx = 9.3 mA, 100nA register retention
·Programmable output power +20 dBm in 1 dB steps
·Optional high efficiency or fully regulated PA connections for reliable M2M performance and optimal battery lifetime
·Voltage operation from 1.8 to 3.7 V
·Narrowband integrated synthesizer with a resolution of 61 Hz
·FSK, GFSK, MSK, GMSK and OOK modulation
·Automated, fast frequency correction & timing recovery
·Over 115 dB Dynamic Range RSSI
·Packet engine with CRC 64 byte FIFO
·Preamble and RSSI based channel activity detection

应用 Application

·Category 1 Social Alarm Systems
·Category 1 Fire, Smoke and Toxic Gas Detection
·Category 1 Lone Worker Systems
·Home and Building Automation
·Wireless Alarm and Security Systems
·Industrial Monitoring and Control