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Wireless RF
FSK Transceivers

Semtech SX1212

Ultra Low Power (3mA RX) RF Transceiver 310-510MHz

The SX1212 is a low cost single-chip transceiver operating in the frequency ranges from 300MHz to 510MHz. The SX1212 is optimized for very low power consumption (3mA in receiver mode).

Overview

Features

  • Low Rx power consumption: 3mA
  • Low Tx power consumption: 25 mA @ +10 dBm
  • Good reception sensitivity: down to -104 dBm at 25 kb/s in FSK, -110 dBm at 2kb/s in OOK
  • Programmable RF output power: up to +12.5 dBm in 8 steps
  • Packet handling feature with data whitening and automatic CRC generation
  • RSSI (Received Signal Strength Indicator)
  • Bit rates up to 150 kb/s, NRZ coding
  • On-chip frequency synthesizer
  • FSK and OOK modulation
  • Incoming sync word recognition
  • Built-in Bit-Synchronizer for incoming data and clock synchronization and recovery
  • 5 x 5 mm TQFN package
  • Optimized Circuit Configuration for Low-cost applications

Applications

  • Wireless alarm and security systems
  • Wireless sensor networks
  • Automated Meter Reading
  • Home and building automation
  • Industrial monitoring and control
  • Remote Wireless Control
  • Active RFID PHY

Packaging

TQFN32

Order Codes

  • SX1212IWLTRT: Transceiver Ultra-Low Power Integrated 300-510MHz Transceiver
  • SX1230-13RKEA433: Turnkey Remote Keyless Entry Reference Design Kit with SX1230 transmitter, SX1211 or SX1212 Transceiver, KEELOQ® code-hopping encryption software and Microchip’s PIC16F631 or PIC16F677 8-bit MCU

Block Diagram

Click diagram to enlarge

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