Si2137/77 5th Generation Silicon TV Tuner ICs

Si21x7 solutions are the 5th generation universal hybrid TV tuners and support digital and analog reception for all worldwide terrestrial and cable TV standards. By combining our proven digital low-IF architecture with a 5th-generation RF front-end, Si21x7 devices maintain the highest performance, exceeding that of MOPLL-based tuners, including industry-leading 2nd order distortion performance. Pin and API compatibility to the previous generation minimize development effort. Si21x7 devices deliver unprecedented integration with no external balun, tracking filters, LNAs, SAW filters or inductive power supply filtering.

Our proprietary and field-proven architecture deliver an optimized BOM and world-class system performance. Options for single or dual supply and internal power-on reset are included. A harmonic rejection mixer delivers outstanding immunity to Wi-Fi and LTE interference, replacing the need for external filtering.

The Si21x7 solutions deliver industry-leading integrated phase noise, exceptional picture quality and a higher number of received stations when compared to other solutions. Incorporating worldwide field experience from four prior tuner generations in mass production, Si21x7 devices deliver the highest tolerance to real-world reception conditions.

Package
As small as 4x4 mm
Excellent immunity to interferers
Wi-Fi, LTE, undesired TV signals

Si21x7 Common Specs

  • Worldwide hybrid TV tuner
    • Analog TV: NTSC, PAL/SECAM
    • Digital TV: ATSC/QAM, DVB-T2/T/C2/C, ISDB-T/C, DTMB
  • Industry-leading margin to A/74, NorDig, D-Book, C-Book, ARIB, EN55020, OpenCable™ specifications
  • Lowest BOM for a silicon hybrid TV tuner
    • No balun
    • No SAW filters or wire-wound inductors
    • Integrated LNAs and complete tracking filters
  • Best-in-class real-world reception
    • Exceeds discrete MOPLL-based tuners
    • 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
    • Single-supply option for 3.3 V-only operation
  • Integrated power-on reset circuit
  • Flexible output interface
    • Combined ALIF/DLIF output to SoC
    • Optional DLIF output to external demodulator
  • Standard CMOS process technology
  • 4x4 mm, QFN28 package
  • RoHS compliant
Find the Right Si21x7 Device Select Columns
Select Columns
Part Number Description Package Type Package Size (mm)
Worldwide Analog TV Tuner with Analog Demodulator for NTSC, PAL/SECAM QFN28 4x4
Worldwide Digital and Analog TV Tuner with Analog Demodulator for NTSC, PAL/SECAM, ATSC/QAM, DVBT2/T/C2/C, ISDB-T/C, DTMB QFN28 4x4

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