Datasheet > TDA8270HN

TDA8270HN

更新时间： 2024-11-12 04:28:35

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
4页	224K
描述
Silicon Tuner Family

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TDA8270HN 数据手册

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

12 3 4

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与TDA8270HN相关器件

型号	品牌	获取价格	描述	数据表
TDA8271HN	NXP	获取价格	Silicon Tuner Family
TDA8274HN	NXP	获取价格	Silicon Tuner Family
TDA8275HN	NXP	获取价格	Silicon Tuner Family
TDA827X	NXP	获取价格	Silicon Tuner Family
TDA8295	NXP	获取价格	Digital global standard low IF demodulator for analog TV and FM radio
TDA8295_09	NXP	获取价格	Digital global standard low IF demodulator for analog TV and FM radio
TDA8295C2	NXP	获取价格	Digital global standard low IF demodulator for analog TV and FM radio
TDA8295HN	NXP	获取价格	Digital global standard low IF demodulator for analog TV and FM radio
TDA8295HN/C2	NXP	获取价格	IC AM/FM, AUDIO/VIDEO DEMODULATOR, PQCC40, 6 X 6 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, SOT6
TDA8295HN/C2,518	NXP	获取价格	TDA8295_C2 - Digital global standard low IF demodulator for analog TV and FM radio QFN 40-

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