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ITD2010:  Low Power Mobile TV Tuner IC for ISDB-T

The ITD2010 is a highly integrated CMOS single chip low-IF single-conversion tuner IC for digital TV. It has dual RF inputs as VHF (90 ~ 222 MHz) and UHF (470 ~ 770 MHz). It supports 1-segment and 3-segment of ISDB-T standard. It includes VHF/UHF LNAs, VHF/UHF PGAs, VHF/UHF image-rejection down-conversion mixers, a bandwidth adjustable low pass filter, an IF variable gain amplifier, a VCO and a ...続きを見る

ITD2010:  Low Power Mobile TV Tuner IC for ISDB-T

製品概要

The ITD2010 is a highly integrated CMOS single chip low-IF single-conversion tuner IC for digital TV. It has dual RF inputs as VHF (90 ~ 222 MHz) and UHF (470 ~ 770 MHz). It supports 1-segment and 3-segment of ISDB-T standard. It includes VHF/UHF LNAs, VHF/UHF PGAs, VHF/UHF image-rejection down-conversion mixers, a bandwidth adjustable low pass filter, an IF variable gain amplifier, a VCO and a fractional-N PLL, etc. On-chip low phase noise VCO along with high resolution fractional-N frequency synthesizer make in-band phase noise lower than that of any other conventional tuners.

The ITD2010 exhibits ultra low power consumption, while conventional tuners consume over 1 watt. Using small 40-lead QFN [LFCSP_UQ] package, the ITD2010 is the best solution for highly integrated multi-tuner system and portable application where low power consumption is required. It has an industry standard I2C serial bus interface. Primary application of the ITD2010 is the portable analog/digital terrestrial TV receiver such as mobile TV phone.

Product Highlights

  1. Single chip synthesized tuner for terrestrial digital TV receiver
  2. Low-IF single-conversion architecture which eliminates all SAW filters
  3. Low power consumption: 100 ~ 120 mW

Applications

  • ISDB-T (1-seg, 3-seg) Digital TV for Mobile Phone
  • Digital Terrestrial TV and Set-Top Boxes
  • Low Power Portable TV, PDA, Mobile Phone

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    • Single chip synthesized tuner for terrestrial digital TV receiver
    • Low-IF single-conversion architecture which eliminates all SAW filters
    • VHF (90~222 MHz) and UHF (470 ~ 770MHz) dual RF input
    • Operating dynamic range -98 to +10dBm
    • Ultra low power consumption:100~120mW
    • On-chip fast switching fractional-N PLL
    • On-chip low phase noise and wide frequency range VCO
    • On-chip bandwidth-adjustable low pass filter
    • Integrated IF variable gain amplifier for direct connection to digital demodulators
    • Noise/Linearity optimization through internal RF RSSI and AGC loop
    • Adjustable take-over point
    • Ideal for mobile TV receiver, terrestrial set-top-box application

    Functional Block Diagram for ITD2010

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