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參數(shù)資料
| 型號(hào)： | TDA8270HN |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Silicon Tuner Family |
| 中文描述： | 硅調(diào)諧器系列 |
| 文件頁(yè)數(shù)： | 1/4頁(yè) |
| 文件大?。?/td> | 220K |
| 代理商： | TDA8270HN |
Semiconductors
TDA827x
Silicon Tuner Family
Based on a revolutionary concept, the TDA827x 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.
The TDA827x silicon tuner family offers a very simple tuner solution for
cable modem, digital STB and analog PC-TV reception, enabling incredible
simplifications in TV 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, the TDA827x 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.
This family also features a fully integrated VCO 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 the TDA827x, removing the need for an external heat sink
and further simplifying design-in efforts.
A complete family
The TDA827x family is a complete range of silicon tuners, featuring dedicated
devices for a wide range of applications:
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
This version allows the STB or cable modem manufacturer to build a multi-standard
platform able to address the global market.
Applications
DOCSIS and EuroDOCSIS cable modems
Digital Set Top Boxes
Analog TV reception on PCs
Common features
Real Silicon tuner approach: only 30 SMD components
for the Bill of Material (BOM)
Wideband low noise RF amplifier with AGC
Integrated and Programmable Selectivity
RF splitter with 2 separate outputs (-2 / +6 dB)
RF filter
Image rejection mixer stage
Fully integrated VCO
RSSI signal indicator, +/- 0.5 dB relative accuracy
(3 dB absolute value), no calibration needed
ntegrated 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, 1.29 W (typical)
Package: MLF 40 pins 6 x 6 mm HVQFN40
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA8271HN | Silicon Tuner Family |
| TDA8274HN | Silicon Tuner Family |
| TDA8275HN | Silicon Tuner Family |
| TDA827X | Silicon Tuner Family |
| TDA9103 | Deflection Processor for Multisync Monitor(用于多路同步監(jiān)控器的偏轉(zhuǎn)處理器) |
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