RF Transceivers
  • SX1233
    • High Bit Rate Transceiver Low Power Integrated UHF Transceiver
  • SX1231H
    • Low Power Integrated UHF Transceiver with On-Chip +20dBm PA
  • SX1231
    • Low Power Integrated UHF Transceiver
  • XE1209
    • Ultra Low-Power CMOS RF Transceiver
  • XE1205
    • TrueRF™ Multi-Channel, Narrow-Band RF Transceiver
  • XE1203F
    • 433 MHz / 868 MHz / 915 MHz Low-Power, Integrated UHF RF Transceiver
  • XE1202A
    • TrueRF™ Multi-Channel, Low-Power Transceiver
  • XE1201A
    • Not available for new designs; use XE1202, XE1203, or XE1205
Semtech SX1212

Semtech SX1212

Ultra-Low Power Integrated 300-510MHz RF Transceiver

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).

Remote Keyless Entry Reference Design


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