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TDA18250C1 데이터시트(Datasheet) 1 Page - NXP Semiconductors

부품명 TDA18250C1
상세내용  Cable Silicon Tuner
PDF  8 Pages
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제조사  NXP [NXP Semiconductors]
홈페이지  http://www.nxp.com
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1.
General description
The TDA18250HN is a Silicon Tuner IC designed specifically for high definition cable Set
Top Boxes (STB) supporting single streaming.
Used in conjunction with the TDA10024HN (digital channel demodulator), the
TDA18250HN covers all worldwide digital cable standards.
The TDA18250HN ensures a low system cost as:
– Costly components such as low-noise amplifiers, Surface Acoustic Wave (SAW)
filters are eliminated from the system BOM
The TDA18250HN high-performance Silicon Tuner meets today’s digital cable TV
reception needs with:
– Low power consumption
– High linearity
– Low noise figure
The TDA18250HN ensures ease of use with:
– Easy on-board integration
– Efficient and effective PCB design
– Reduced external components
2.
Features and benefits
RF frequency coverage up to 860 MHz
Integrated wideband gain control
LOW IF (LIF) output
Single 3.3 V power supply
Low power consumption
Multistandard cable receptions
Fully integrated IF selectivity, eliminating the need for external SAW filters
RF Loop-Through (LT)
Enhanced RF and IF filters to increase selectivity and adjacent channels filtering
Alignment free
Fully integrated oscillators:
No external oscillator components for reduced cost
16 MHz crystal oscillator output buffer for single crystal applications
I2C-bus provides:
3.3 V microcontroller compatibility
TDA18250HN
Cable Silicon Tuner
Rev. 1 — 12 August 2010
Objective data sheet




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