TDA8270AHN/C1中文资料应用文章市场行情现货热卖使用介绍-中国IC网-芯三七

产品型号TDA8270HN的Datasheet PDF文件预览

SiliconTuner Family

TDA827x

Based on a revolutionary concept, theTDA827x silicon tuner

family frees manufacturers from many of the constraints of

traditional RF design.This comprehensive silicon tuner family

for cable modem, digital STB and analog PC-TV reception

offers the necessary selectivity for all targeted applications.

Semiconductors

TheTDA827x silicon tuner family offers a very simple tuner solution for

cable modem, digital STB and analog PC-TV reception, enabling incredible

simpliﬁcations inTV design. Its patented technology and highly innovative

architecture reduces external component count, providing an extremely

cost effective silicon tuner that is easier and quicker to design in than any

other comparable solution in today’s market.

A giant leap forward in RF integration, theTDA827x features an embedded

low noise input ampliﬁer and an image rejection mixer for processing RF

signals and downconverting to low IF signals, which are then ﬁltered before

being sent to the channel decoder or IF demodulator. It offers optimal

partitioning of functions at the system level, removing the need for both

SAW ﬁlters or IF ampliﬁers.

Applications

This family also features a fully integratedVCO that has no external tank

component, an RF splitter with two separate outputs and an RSSI signal

indicator embedded on the IC.All this integration results in very low power

consumption for theTDA827x, removing the need for an external heat sink

and further simplifying design-in efforts.

• DOCSIS and EuroDOCSIS cable modems

• Digital SetTop Boxes

• AnalogTV reception on PCs

Common features

• Real Silicon tuner approach: only 30 SMD components

for the Bill of Material (BOM)

A complete family

TheTDA827x family is a complete range of silicon tuners, featuring dedicated

devices for a wide range of applications:

• Wideband low noise RF ampliﬁer with AGC

• Integrated and Programmable Selectivity

• RF splitter with 2 separate outputs (-2 / +6 dB)

• RF ﬁlter

•

TDA8270HN: US STB or cable modem applications

TDA8271HN: Rest of the world STB and cable modem applications

TDA8274HN: Multi standard STB and cable modem applications^*

TDA8275HN:Terrestrial analog reception for PC-TV application

• Image rejection mixer stage

•

This version allows the STB or cable modem manufacturer to build a multi-standard

platform able to address the global market.

• Fully integratedVCO

• RSSI signal indicator, +/- 0.5 dB relative accuracy

(3 dB absolute value), no calibration needed

• Integrated 16 MHz crystal oscillator and output buffer

to channel decoder or other tuner

• I²C bus controlled

• Temperature range: -20 to + 70°C

• Power: 3.3V, 1.29W (typical)

• Package: MLF 40 pins 6 x 6 mm HVQFN40

TDA827x

SiliconTuner Family

Semiconductors

SiliconTuner reference designs

Together with Philips’ channel and video decoder products, theTDA827x

silicon tuner family enables manufacturers to create efﬁcient and cost

effective solutions for all STB and PC-TV markets across the world.

Helping manufacturers get to market fast with new solutions, Philips

offers full reference system solutions for the low-end STB market and

PC-TV applications.

These reference designs integrate all the functionality needed for a low-end

STB (complete front end with loop through).They enable manufacturers

to easily design highly attractive and fully featured products with a high

level of performance, providing them with a signiﬁcant competitive

advantage in today’s consumer markets.

Key features

Low-end STB market

•

Two distinct solutions for multi- standard or European/Asian market

Embedded LNA and loop through

With the expansion of the Chinese and Indian market, low-end cableTV

will soon become a mass volume market, where cost and integration

will be the key factors in successful designs. Speciﬁcally addressing this

emerging market, Philips offers two complete reference designs based

on four distinct Philips products:

High Level of performance

- Required C/N to achieve Quasi Error Free (QEF) reception

31.3 (24.6) dB max in 256 (64) QAM (8MHz bandwidth / Annex A)

Low BOM delivers cost effective system solution (no SAW ﬁlters,

only 30 SMD components needed for the silicon tuners)

Power level indicators allow very fast band scanning

•

A multi-standard low-end cable STB reference design: TDA8274HN

(6/7/8 MHz Silicon tuner) +TDA10023HT (Demodulator +

FEC decoder Annex A/B/C)

•

A European / Asian low-end cable STB reference design: TDA8271HN

(7/8 MHz Silicon tuner) +TDA10021HT (Demodulator + FEC

decoder Annex A/C).

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MSE248

Low-end cable STB reference design

PCTV applications

With the launch of the newWindows XP media center, the market forTV

reception on PCs is booming. In comparison with STB designs, signiﬁcantly

higher levels of integration are required for PCTV solutions. With their

high level of integration, Philips’ silicon tuners are ideal for this market

and also enable new applications in the PC world such as integration

into notebooks and laptops. In addition, they offer the possibility to build

applications with dual or triple tuner functions for PVR systems or multiple

channel recorders.

Philips has two complete reference designs tailored speciﬁcally for PCTV

applications. The ﬁrst is based on theTDA8275, a silicon tuner developed

speciﬁcally for this market, in conjunction with the brand newTDA8290

multi-standard IF demodulator. With this chipset, PC and notebook

manufacturers have access to an ultra compact front end able to handle

all terrestrial analogue standards (NTSC/PAL/SECAM) outputting a

conventional CVBS and Sound IF output. Based on an IP developed for

cable modems, theTDA8275 implements the RSSI function, which is a

fast measurement system of a selected channel. This function allows, by

S/W control, a fast scanning of the wholeTV band, an automatic selection

of a given input power and the elimination of poor or far away transmitters.

Unwanted channels will be then blanked to blue screen.Thus the installation

process can be drastically shortened (an advantage for portable notebook

based applications).

Front end reference design

Key features

•

High level of integration allow multiple tuner applications

and notebook implementation

•

Embedded loop through for PVR applications

Multi-standard solution programmable by software

(no need to change tuner from one region to another)

Power level indicators allow very fast band scanning

Cost effective system solution compared to conventional

CAN approach

•

Low proﬁle (size 50 x 120 mm) possible for PCI board

The second is a full reference design for PCI card manufacturers.

It combines theTDA8275 andTDA8290 with the SAA7133 video decoder

and PCI bridge IC.This full chipset and reference design allows PCI card

manufacturers to go rapidly to market with a single ultra competitive card

able to cope with all analogueTV standards.

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MSE279

PCI card reference design

TDA827x

SiliconTuner Family

www.semiconductors.philips.com

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MSE274

Philips Semiconductors

Philips Semiconductors is a worldwide company with over 100 sales ofﬁces

in more than 50 countries. For a complete up-to-date list of our sales ofﬁces

please e-mail sales.addresses@www.semiconductors.philips.com.

A complete list will be sent to you automatically.

You can also visit our website http://www.semiconductors.philips.com/sales

written consent of the copyright owner.The information presented in this document

does not form part of any quotation or contract, is believed to be accurate and reliable

and may be changed without notice. No liability will be accepted by the publisher for any

consequence of its use. Publication thereof does not convey nor imply any license under

patent- or other industrial or intellectual property rights.

Date of release: June 2003

Document order number: 9397 750 11533

Published inThe Netherlands

型号:	TDA8295HN
Source Url Status Check Date：	2013-06-14 00:00:00
是否Rohs认证：	符合
生命周期：	Obsolete
零件包装代码：	QFN
包装说明：	HVQCCN, LCC40,.24SQ,20
针数：	40
Reach Compliance Code：	compliant
风险等级：	5.8
Is Samacsys：	N
其他特性：	IT CAN ALSO REQUIRES 2.97V TO 3.63V SUPPLY
商用集成电路类型：	AUDIO/VIDEO DEMODULATOR
解调类型：	AM/FM
谐波失真：	0.1%
JESD-30 代码：	S-PQCC-N40
长度：	6 mm
功能数量：	1
端子数量：	40
最高工作温度：	70 °C
最低工作温度：
封装主体材料：	PLASTIC/EPOXY
封装代码：	HVQCCN
封装等效代码：	LCC40,.24SQ,20
封装形状：	SQUARE
封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
电源：	1.2,3.3 V
认证状态：	Not Qualified
座面最大高度：	1 mm
子类别：	Other Consumer ICs
最大压摆率：	136 mA
最大供电电压 (Vsup)：	1.32 V
最小供电电压 (Vsup)：	1.08 V
表面贴装：	YES
技术：	CMOS
温度等级：	COMMERCIAL
端子形式：	NO LEAD
端子节距：	0.5 mm
端子位置：	QUAD
宽度：	6 mm
Base Number Matches：	1

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