tda18253hn NXP Semiconductors, tda18253hn Datasheet
tda18253hn
Manufacturer Part Number
tda18253hn
Description
Cable Silicon Tuner
Manufacturer
NXP Semiconductors
Datasheet
1.TDA18253HN.pdf
(6 pages)
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tda18253hn/C1,551
Manufacturer:
NXP Semiconductors
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1. General description
2. Features and benefits
The TDA18253HN is a Silicon Tuner IC designed specifically for high definition multi-tuner
cable Set-Top Boxes (STBs) supporting single streaming and multi-streaming PVR STBs
with watch, record, video-on-demand and in-home video distribution capability.
Used in conjunction with the TDA10024HN (digital channel demodulator), the
TDA18253HN covers all worldwide digital cable standards.
•
•
•
TDA18253HN
Cable Silicon Tuner
Rev. 3 — 10 September 2010
Single 3.3 V power supply
Low power consumption
Extended frequency coverage up to 1002 MHz
Digital cable reception for STB
Supports 4 tuner functions for PVR boxes:
RF loop-through
Fully integrated IF selectivity; eliminating the need for external SAW filters
Alignment free
Fully integrated oscillators with no external component
Integrated wideband gain control
Crystal oscillator output buffer (16 MHz) for single crystal applications
The TDA18253HN ensures a low system cost as:
– Costly components such as low-noise amplifiers, Surface Acoustic Wave (SAW)
The TDA18253HN high-performance Silicon Tuner meets today’s digital cable TV
reception needs with:
– Same level of performance for master and slave tuners
– Low power consumption
– High linearity
– Low noise figure
The TDA18253HN ensures ease of use with:
– Easy on-board integration
– Efficient and effective PCB design
– Reduced external components
1 low IF output
3 RF outputs to drive slave tuners
filters and incremental crystal oscillators are eliminated from the system BOM
Product data sheet
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