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PDF TDA827x Data sheet ( Hoja de datos )
| Número de pieza | TDA827x | |
| Descripción | Silicon Tuner Family | |
| Fabricantes | Philips | |
| Logotipo |  |
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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.
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
• 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, 1.29 W (typical)
• Package: MLF 40 pins 6 x 6 mm HVQFN40
Semiconductors
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.
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet TDA827x.PDF ] | |
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