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參數(shù)資料
| 型號： | TDA18254AHN/C1 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 調(diào)諧器 |
| 英文描述： | VIDEO TUNER, PQCC48 |
| 封裝： | 7 X 7 MM, 0.85 MM HEIGHT, LEAD FREE, PLASTIC, SOT619-1, VQFN-48 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 133K |
| 代理商： | TDA18254AHN/C1 |
1.
General description
The TDA18254AHN is a Silicon Tuner IC designed specifically for high definition
multi-tuner cable Set Top Boxes (STB) supporting single streaming and multi-streaming
PVR STBs with watch, record, Video-On-Demand (VOD) and in-home video distribution
capability.
Used in conjunction with the TDA10024HN (digital channel demodulator), the
TDA18254AHN covers all worldwide digital cable standards.
The TDA18254AHN 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 TDA18254AHN 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 TDA18254AHN ensures ease of use with:
– Easy on-board integration
– Efficient and effective PCB design
– Reduced external components
2.
Features and benefits
Supports 4 tuner functions specifically aimed for PVR boxes:
1
× low IF output
3
× RF outputs to drive slave tuners
Integrated wideband gain control
Extended frequency coverage up to 1002 MHz
Integrated RF tracking filters for rejection of unwanted signals
Single 3.3 V power supply
Low power consumption
Multistandard cable receptions
Enhanced RF and IF filters to increase selectivity and adjacent channels filtering
RF loop-through
Fully integrated IF selectivity, eliminating the need for external SAW filters
TDA18254AHN
Cable Silicon Tuner
Rev. 4 — 10 May 2011
Product short data sheet
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA18254HN/C1,518 | 功能描述:調(diào)諧器 IC CABLE TUNER DGTL RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度: |
| TDA18254HN/C1,551 | 功能描述:調(diào)諧器 IC CABLE TUNER DGTL RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度: |
| TDA18254HN/C1,557 | 功能描述:調(diào)諧器 IC CABLE TUNER DGTL RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度: |
| TDA18257HN/C1K | 制造商:NXP Semiconductors 功能描述:TDA18257HN/HVQFN32/TRAYDPM//C1 制造商:NXP Semiconductors 功能描述:TDA18257HN/HVQFN32/TRAYDPM//C1 - Trays 制造商:NXP Semiconductors 功能描述:IC TUNER CABLE/STB 32HVQFN |
| TDA18257HN/C1Y | 制造商:NXP Semiconductors 功能描述:TDA18257HN/HVQFN32/REEL13DP//C 制造商:NXP Semiconductors 功能描述:TDA18257HN/HVQFN32/REEL13DP//C - Tape and Reel 制造商:NXP Semiconductors 功能描述:IC TUNER CABLE/STB 32HVQFN |
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