TDA18260HN中文资料双通道有线电视硅调谐器数据手册恩XP规格书

描述 Description

The TDA18260HN is a dual 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 TDA10025HN (dual digital channel demodulator), the TDA18260HN covers all worldwide digital cable standards.
The TDA18260HN ensures a low system cost as: Costly components such as low noise amplifiers, Surface Acoustic Wave (SAW) filters and incremental crystal oscillators have been eliminated from the system Bill Of Materials (BOM)

The TDA18260HN high performance Silicon Tuner meets today’s digital cable TV reception needs with: Matched performance levels for master and slave tuners
Low power consumption
High linearity
Low noise figure

The TDA18260HN ensures ease of use with: Easy on-board integration
Efficient and effective PCB design
Reduced external components

特性 Features

• Dual tuner inside one single, small sized package
• One single RF input with direct cable connection
• Internal splitter to drive the two integrated tuners
• Two low IF outputs, connecting directly to demodulators
• RF loop-through
• Easy application for up to 6-tuner using 3 TDA18260HN
• Dedicated multiple tuner outputs to drive additional tuners
• No need for external active splitter
• Same performance on all streams
• Extended frequency coverage from 42 MHz up to 1002 MHz
• Multistandard cable receptions
• Enhanced filtering scheme with no external components
• Third and fifth signal harmonics suppression
• Optimum adjacent channel rejection
• MoCA rejection reduces the complexity and the cost of the triplexer
• Single 3.3 V power supply with low power consumption
• Single crystal application for up to 6 streams, including demodulators
• High accuracy Received Signal Strength Indicator (RSSI)
• Dual I²C-bus provides full flexibility in programming the two streams from one SoC or independently from two SoCs