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Semtech Corporation
SX1238
Semtech Corporation
SX1255
 
Semtech Corporation
SX1257
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SX1255

RF Front-End Low Power Digital I and Q RF Multi-PHY Mode Transceiver

Semtech Corporation

The SX1255 is a highly integrated RF front-end to digital I and Q modulator/demodulator Multi-PHY mode transceiver capable of supporting multiple constant and non-constant envelope modulation schemes. It is designed to operate over the 400MHz - 510MHz worldwide licensed and unlicensed frequency bands. Its highly integrated architecture allows for a minimum of external components whilst maintaining maximum design flexibility. All major RF communication parameters are programmable and most of them can be dynamically set. The SX1255 offers support for both narrow-band and wide-band communication modes without the need to modify external components. The SX1255 is optimized for low power consumption while offering the provision for high RF output power and channelized operation. TrueRF™ technology enables a low-cost external component count whilst still satisfying ETSI, FCC and ARIB and other regulations.

Specifications
  • Current - Receiving:18mA
  • Current - Transmitting:60mA
  • Frequency:400MHz ~ 510MHz
  • GPIO:4
  • Modulation:FHSS, FSK, OFDM, O-QPSK
  • Operating Temperature:-40°C ~ 85°C
  • Package / Case:32-WFQFN Exposed Pad
  • Packaging:Tape & Reel (TR)
  • Power - Output:7dbm
  • RF Family/Standard:802.15.4
  • Serial Interfaces:I²S, SPI
  • Type:TxRx Only
  • Voltage - Supply:2.7 V ~ 3.6 V
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