​Si2144/24 6th Generation Silicon STB Tuner ICs 

With fully integrated loop-through (LT) and a best-in-class compact 3 mm x 3 mm package outline, the Si2144 and Si2124 are designed specifically for set-top box (STB) applications. Built upon 6 generations of field-hardened, market-share leading silicon TV tuners with over 400 Mu sold worldwide, the Si2144 supports all worldwide digital cable and terrestrial standards, with the Si2124 targeted specifically to digital terrestrial STB. These STB tuners deliver a winning combination of proven RF performance, uncompromising quality, low power consumption, and small BOM.



  • 1.7 MHz, 6 MHz, 7 MHz, 8 MHz, and 10 MHz channel bandwidths
  • Conforms to NorDig, DTG, and ARIB
  • No balun, SAW filters, or wire-wound inductors
  • Integrated loop-through with zero-power mode
  • Integrated LNAs and complete tracking filters
  • Best-in-class real-world reception
  • Industry-leading phase noise performance
  • High immunity to Wi-Fi and LTE interference
  • Low power consumption
  • 3.3 V and 1.8 V power supplies
  • Integrated 1.8 V LDO for 3.3 V single-supply operation
  • Single Low-IF (LIF) output to SoC and/or demodulator
  • Standard CMOS process technology
  • Smallest footprint for a silicon digital TV tuner
  • 3 mm x 3 mm, RoHS-compliant 24-pin QFN

Si2144 Features:

  • Worldwide digital STB tuner
  • Lowest BOM for a silicon digital STB tuner

Si2124 Features:

  • Digital terrestrial STB tuner
  • Lowest BOM for a digital terrestrial STB tuner

Getting Started with Si244/24 Silicon STB Tuners

Si2144/24 Evaluation Kits

The easiest way to begin development with the Si2144/24 family is with the Si2144/24 Evaluation Kits.

View Kits

Si2144/24 Product Matrix

Part Number Data Sheet Description
Digital Terrestrial Set-Top Box Tuner for ATSC/QAM, DVB-T2/T, ISDB-T
Worldwide Digital Set-Top Box Tuner for ATSC/QAM, DVB-T2/C2/T/C, ISDB-T/C, DTMB
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