TDA18254AHN Datasheet | NXP Semiconductors

Cable Silicon Tuner Rev. 4 - 10 May 2011 Product short data sheet 1. General description The TDA18254AHN is a Silicon Tuner IC designed specifically for high definition multi-tuner cable Set Top Boxes (STB) supporting single streaming and multi-streaming PVR STBs with watch, record, Video-On-Demand (VOD) and in-home video distribution capability. Used in conjunction with the TDA10024HN (digital channel demodulator), the TDA18254AHN covers all worldwide digital cable standards. - The TDA18254AHN 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 TDA18254AHN high-performance Silicon Tuner meets today’s digital cable TV reception needs with: - Same level of performance for master and slave tuners - Low power consumption - High linearity - Low noise figure - The TDA18254AHN ensures ease of use with: - Easy on-board integration - Efficient and effective PCB design - Reduced external ponents 2. Features and benefits - Supports 4 tuner functions specifically aimed for PVR boxes: ‹ 1 × low IF output ‹ 3 × RF outputs to drive slave tuners - Integrated wideband gain control - Extended frequency coverage up to 1002 MHz - Integrated RF tracking filters for rejection of unwanted signals - Single 3.3 V power supply - Low power consumption - Multistandard cable receptions - Enhanced RF and IF filters to increase selectivity and adjacent channels filtering - RF loop-through - Fully integrated IF selectivity, eliminating the need for external SAW filters Free Datasheet http://../ NXP Semiconductors Cable Silicon...