Si462x Automotive Digital Data Receivers

The Si462x devices enable HD Radio™/DAB/DAB+ services reception and provide significant advances in size, power consumption, and performance.  The high level of integration and complete system production test simplifies design-in, increases system quality, and improves reliability and manufacturability. With a fully integrated decoder for the European Radio Data System (RDS) and the North American Radio Broadcast Data System (RDBS), functions include all required symbol decoding, block synchronization, error detection, and error correction. The Si462x provides an integrated clock oscillator or accepts a reference clock and supports a selectable control interface (SPI or I²C).

External RAM required:
Package as small as:
7x7 mm

Si462x Common Specs

  • Worldwide FM band support (76–108 MHz)
  • Worldwide AM band support (520-1710 kHz) (Si4629 only)
  • LW band support (144-288 kHz) (Si4629 only)
  • DAB, DAB+ Band III support (168–240 MHz) (Si4624/29 only)
    • Supports WorldDMB Receiver Profiles I, II, III, and IV
    • Patent-pending fast-DAB station detection 
  • FM HD Radio™ support (Si4622/29 only)
    • AM HD Radio™ support (Si4629 only)
    • Patent-pending fast-HD station detection
  • Advanced RDS/RDBS decoder
  • Complete on-chip channel decode
  • No external RAM required for channel decoding
  • Flash memory interface for application program load
  • Advanced seek functionality
  • Full range of analog and digital signal quality metrics
  • Fully-integrated VCO / PLL / synthesizer
  • Fully-integrated advanced AGC and alignment
  • SPI, I2C control interfaces
  • 7x7 mm 48-pin QFN package
  • Pb-free/RoHS compliant
  • AEC-Q100 qualified
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Part Number AM FM/RDS AMHD Radio FMHD Radio DAB/DAB+ Package Type

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