Si462x Digital Data Receivers

Si462x single-chip digital data receivers are 100% CMOS digital radio broadcast receiver ICs for automotive infotainment systems. Si462x data receivers offer a complete and cost-effective platform to support global analog and digital AM, FM, and VHF band III radio standards by integrating multiband RF tuner, demodulator, and channel decoder on a single die.

The 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:
None
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 AMHD FMHD RDS FM AM AMHD FMHD DAB/DAB+ HD Radio Certification
High-Performance Digital Radio Receivers with RDS NA
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