Si3218x Next Generation Single-Channel ProSLIC®

The new flagship Si3218x single-channel ProSLIC subscriber line interface circuit (SLIC) devices deliver the lowest power consumption, smallest footprint, highest level of programmability, and lowest cost bill of materials in the industry. Unmatched power efficiency is achieved using patent-pending on-chip intelligent dc-dc controller, patented low-power ringing (LPR), and a very low-power on-hook mode. PCM/SPI and Silicon Labs’ three-wire integrated serial interface (ISI) options are supported.

 

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Features

  • Single-chip single-channel FXS solution
  • 5 mm x 6 mm or 6mm x 6mm QFN package enables small board area
  • Patent-pending low-cost capacitive boost tracking dc-dc controller
    • Reduced BOM cost vs. other tracking or shared supplies in the industry
  • Ultra-low power consumption (50mW on hook)
  • Patented low-power ringing
  • PCM/SPI (Si32184/5) or three-wire ISI (Si32182/3) host interface options
  • Global programmability
  • Simplified configuration and diagnostics supported by ProSLIC API
  • Ringing frequency, amplitude, cadence, and waveshape
  • Transhybrid balance
  • DC current loop feed (10–45 mA)
  • Loop closure and ring trip thresholds
  • Ground key detection threshold
  • Integrated test load
  • Wideband voice support
  • On-hook transmission
  • Loop or ground start operation
  • DTMF detection option (Si32183/5)
  • DTMF generation
  • Pulse metering
  • -106 V Max Vbat
  • 3.3 V operation
  • 1.8 V or 3.3 V I/O without level shifters

Si3218x Single-Channel ProSLIC Product Matrix

Devices
Part Number Data Sheet # FXS Channel # FXO Channel Max V Battery Wideband DTMF Detection Pulse Metering Daisy-chain Mode Smart Ringing Package Type Package Size (mm)
1 0 -106 Yes No Yes No No QFN36 5x6
1 0 -106 Yes Yes Yes No No QFN36 5x6
1 0 -106 Yes No Yes No No QFN40 6x6
1 0 -106 Yes Yes Yes No No QFN40 6x6
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