Datasheet > TDA18250HN_11

TDA18250HN_11

更新时间： 2024-01-27 15:52:26

品牌	Logo	应用领域
恩智浦 - NXP		电视有线电视
页数	文件大小	规格书
8页	72K
描述
Cable Silicon Tuner Single 3.3 V power supply

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TDA18250HN_11 数据手册

TDA18250HN

Cable Silicon Tuner

Rev. 2 — 14 January 2011

Preliminary data sheet

1. General description

The TDA18250HN 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

TDA18250HN covers all worldwide digital cable standards.

• The TDA18250HN 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 TDA18250HN high-performance Silicon Tuner meets today’s digital cable TV

reception needs with:

– Low power consumption

– High linearity

– Low noise figure

• The TDA18250HN ensures ease of use with:

– Easy on-board integration

– Efficient and effective PCB design

– Reduced external components

2. Features and benefits

RF frequency coverage up to 860 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

I²C-bus provides:

3.3 V microcontroller compatibility

12 3 4 5 6 7 8

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