Datasheet > TDA18218HN/C1,557

TDA18218HN/C1,557

更新时间： 2024-02-02 18:00:35

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
25页	127K
描述
TDA18218HN - DVB-T Silicon Tuner IC QFN 48-Pin

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TDA18218HN/C1,557 技术参数

生命周期：	Active	零件包装代码：	QFN
针数：	48	Reach Compliance Code：	compliant
风险等级：	5.64	Base Number Matches：	1

TDA18218HN/C1,557 数据手册

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TDA18218HN

DVB-T Silicon Tuner IC

Rev. 01 — 8 July 2009

Product data sheet

1. General description

The TDA18218HN is a Silicon Tuner IC designed for digital terrestrial (DVB-T) TV

reception. The TDA18218HN integrates the overall tuning function, including selectivity

and provides a low-IF output signal.

The TDA18218HN uses integrated IF ﬁlters to support 6 MHz, 7 MHz or 8 MHz channel

bandwidths. The TDA18218HN requires only one single 16 MHz crystal for clock

generation. A clock signal is available on crystal oscillator output pins (XTO_P / XTO_N)

to synchronize the channel decoder.

The TDA18218HN is a low cost Silicon Tuner targeting digital terrestrial applications. The

TDA18218HN matches the performance of the conventional can tuners. Additionally, the

following beneﬁts can be stated:

• Easy on-board integration

• Drastically reduces:

– the size of the tuner function

– the power consumption

2. Features

I Fully integrated IF selectivity; eliminating the need for external SAW ﬁlters

I Fully integrated oscillators with no external components

I Integrated wideband gain control

I Alignment free

I RF loop-through for easy implementation in the Set-Top Box (STB)

I Integrated die thermal sensor

I Single 3.3 V power supply

I Low power consumption (750 mW)

I Crystal oscillator output buffer (16 MHz) for single crystal applications

I I²C-bus interface compatible with 3.3 V and 5 V microcontrollers

I Three Standby modes

I RoHS packaging

3. Applications

I DVB-T Set-Top Box (STB) and TV receiver

I System application optimization is described in the application note AN0814

I Driver application is described in the application note AN0822

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