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TDA18250HN Datasheet Cable Silicon Tuner

Manufacturer: NXP Semiconductors

Overview: TDA18250HN Cable Silicon Tuner Rev. 6 — 22 December 2011 Product short data sheet 1.

General Description

The TDA18250 is a silicon tuner IC designed specifically for high definition cable Set-Top Boxes (STB) supporting single streaming.

Used in conjunction with a digital channel demodulator, the TDA18250 covers all worldwide digital cable standards.

• The TDA18250 ensures a low system cost as: – Costly ponents such as low-noise amplifiers, Surface Acoustic Wave (SAW) filters are eliminated from the system BOM • The TDA18250 high-performance silicon tuner meets today’s digital cable TV reception needs with: – Low power consumption – High linearity – Low noise figure • The TDA18250 ensures ease of use with: – Easy on-board integration – Efficient and effective PCB design – Reduced external ponents 2.

Key Features

  • RF frequency coverage up to 1002 MHz.
  • Integrated wideband gain control.
  • LOW IF (LIF) output.
  • Single 3.3 V power supply.
  • Low power consumption.
  • Multistandard cable receptions.
  • Fully integrated IF selectivity, eliminating the need for external SAW filters.
  • RF Loop-Through (LT).
  • Enhanced RF and IF filters to increase selectivity and adjacent channels filtering.
  • Alignment free.
  • Fully integrated oscillators:.
  • No external oscillator componen.

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