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供应TDA10024HN调谐器/频道解码器

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恩智浦半导体（NXP Semiconductors）近日宣布推出新型硅调谐器芯片TDA18250，其专门针对中国数字有线电视信号接收，满足中国有线电视网络的标准，协助降低系统成本。TDA18250是一个专门为支持单一流高清晰度有线电视机顶盒而设计的硅调谐器；与TDA10024HN （数字信道解调器）配合使用时，可以覆盖全球所有数字有线电视的标准。
The TDA18250 is a Silicon Tuner IC designed specifically for high definition cable Set-Top Boxes (STB) supporting single streaming.

Used in conjunction with the TDA10024HN (digital channel demodulator), the TDA18250 covers all worldwide digital cable standards.

  • The TDA18250 ensures a low system cost as:
    • Costly components 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 components

Features:

  • RF frequency coverage up to 862 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 components for reduced cost
    • 16 MHz crystal oscillator output buffer for single crystal applications
  • Supports 2 tuner functions specifically aimed for PVR boxes:
    • 1 × RF output to drive slave tuner
  • I²C-bus provides:
    • 3.3 V microcontroller compatibility
    • Received Signal Strength Indicator (RSSI) data access
    • Die temperature sensor data access
  • Lead-free (Pb) manufacturing


恩智浦尖端的硅调谐器(Silicon Tuner)超过了绝大多数的系统性能要求，降低了调谐器的整体成本。我们的硅调谐器具有一些独特的性能，包括：

  • 能够满足针对机顶盒、PC或便携式TV应用的小尺寸单和/或多调谐器设计

  • 能够将调谐器功能集成到主板中

  • 降低整体系统的物料成本

    上面所提的性能是通过下列产品特性实现的：

  • 由出色的噪音和选择性性能实现的高图像质量

  • 通过高集成度和/或系统级封装技术(完全的RF集成)实现的低系统成本和很小的印刷电路板面积

  • 的功耗和供电电压(3.3V)

  • 在与TDA10048/TDA10024频道解码器共同使用时，能提供最佳的前端性能

  • 集成的RF 分离器和多调谐器输出，保证多调谐器配置
    • 型号/规格

    TDA10024HN

    品牌/商标

    NXP