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THS7303

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3-kanaliger energieeffizienter Videoverstärker mit I2C-Steuerung, Auswahlfiltern, +6 dB Gain, Eingan

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THS7303

AKTIV
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Produktdetails

Number of channels 3 Diff gain (%) 0.13 Iout (typ) (A) 0.07 Vs (min) (V) 2.6 Vs (max) (V) 5.5 Diff phase (°) 0.55 Iq (typ) (mA) 16.6 Number of filter poles 5 Features I2C control method Input configuration 2:1 Operating temperature range (°C) -40 to 85 Rating Catalog
Number of channels 3 Diff gain (%) 0.13 Iout (typ) (A) 0.07 Vs (min) (V) 2.6 Vs (max) (V) 5.5 Diff phase (°) 0.55 Iq (typ) (mA) 16.6 Number of filter poles 5 Features I2C control method Input configuration 2:1 Operating temperature range (°C) -40 to 85 Rating Catalog
TSSOP (PW) 20 41.6 mm² 6.5 x 6.4
  • 3-Video Amplifiers for CVBS, S-Video, Y'U'V', SD/ED/HD Y'P'BP'R, and G'B'R' (R'G'B')
  • I2C™ Control of All Functions
  • Integrated Low-Pass Filters
    • 5th-Order Butterworth Characteristics
    • Selectable Corner Frequencies of 9-MHz, 16-MHz, 35-MHz, and Bypass (190-MHz)
  • Selectable Input Bias Modes
    • AC-Coupled with Sync-Tip-Clamp
    • AC-Coupled with Bias
    • DC-Coupled with 135-mV Input Shift
    • DC-Coupled
  • 2:1 Input MUX Allows Multiple Input Sources
  • Built-in 6-dB Gain (2 V/V)
  • SAG Correction Capable
  • 2.7-V to 5-V Single Supply Operation
  • Low 16.6-mA (3.3 V) Total Quiscent Current
  • Individual Disable (< 1 µA) and Mute Control
  • Rail-to-Rail Output:
    • Output Swings within 100 mV from the Rails to Allow AC or DC Output Coupling
    • Supports Driving Two Lines per Channel
  • Low Differential Gain/Phase of 0.13%/0.55°
  • APPLICATIONS
    • Set Top Box Output Video Buffering
    • PVR/DVDR Output Buffering
    • USB/Portable Low Power Video Buffering

    Windows is a registered trademark of Microsoft Corporation.
    I2C is a trademark of NXP Semiconductors.
    All other trademarks are the property of their respective owners.
    • 3-Video Amplifiers for CVBS, S-Video, Y'U'V', SD/ED/HD Y'P'BP'R, and G'B'R' (R'G'B')
    • I2C™ Control of All Functions
    • Integrated Low-Pass Filters
      • 5th-Order Butterworth Characteristics
      • Selectable Corner Frequencies of 9-MHz, 16-MHz, 35-MHz, and Bypass (190-MHz)
    • Selectable Input Bias Modes
      • AC-Coupled with Sync-Tip-Clamp
      • AC-Coupled with Bias
      • DC-Coupled with 135-mV Input Shift
      • DC-Coupled
    • 2:1 Input MUX Allows Multiple Input Sources
    • Built-in 6-dB Gain (2 V/V)
    • SAG Correction Capable
    • 2.7-V to 5-V Single Supply Operation
    • Low 16.6-mA (3.3 V) Total Quiscent Current
    • Individual Disable (< 1 µA) and Mute Control
    • Rail-to-Rail Output:
      • Output Swings within 100 mV from the Rails to Allow AC or DC Output Coupling
      • Supports Driving Two Lines per Channel
    • Low Differential Gain/Phase of 0.13%/0.55°
  • APPLICATIONS
    • Set Top Box Output Video Buffering
    • PVR/DVDR Output Buffering
    • USB/Portable Low Power Video Buffering

    Windows is a registered trademark of Microsoft Corporation.
    I2C is a trademark of NXP Semiconductors.
    All other trademarks are the property of their respective owners.

    Fabricated using the new complementary silicon-germanium (SiGe) BiCom-3 process, the THS7303 is a low-power, single-supply, 2.7-V to 5-V, 3-channel integrated video buffer. It incorporates a selectable fifth-order Butterworth filter to eliminate data converter images. The 9-MHz filter is a perfect choice for SDTV video including composite (CVBS), S-Video, and 480i/576i Y'P'BP'R, and G'B'R' (R'G'B') signals. The 16-MHz filter is ideal for EDTV 480p/576p Y'P'BP'R, G'B'R', and VGA signals. The 35-MHz filter is useful for HDTV 720p/1080i Y'P'BP'R, G'B'R', and SVGA/XGA signals. For 1080p or SXGA/UXGA signals, the filter can be bypassed allowing a 190-MHz bandwidth, 300-V/µs amplifier to buffer the signal.

    Each channel of the THS7303 is individually I2C configurable for all functions which makes it flexible for any application. Its rail-to-rail output stage allows for both ac and dc coupling applications. The 6-dB gain along with the built-in SAG correction allows for maximum flexibility as an output video buffer.

    The 16.6-mA total quiescent current (55 mW total power) makes the THS7303 an excellent choice for USB powered or portable video applications. While fully disabled, the THS7303 consumes less than 1 µA making it ideal for energy sensitive applications.

    As part of the THS7303 flexibility, the 2:1 MUX input can be selected for ac- or dc-coupled inputs. The ac-coupled modes include a sync-tip-clamp option for CVBS/Y'/G'/B'/R' with sync or a fixed bias for the C'/P'B/P'R non-sync channels. The dc input options include a dc input or a (dc + 135-mV) input offset shift to allow for a full sync dynamic range at the output with 0-V input.

    Fabricated using the new complementary silicon-germanium (SiGe) BiCom-3 process, the THS7303 is a low-power, single-supply, 2.7-V to 5-V, 3-channel integrated video buffer. It incorporates a selectable fifth-order Butterworth filter to eliminate data converter images. The 9-MHz filter is a perfect choice for SDTV video including composite (CVBS), S-Video, and 480i/576i Y'P'BP'R, and G'B'R' (R'G'B') signals. The 16-MHz filter is ideal for EDTV 480p/576p Y'P'BP'R, G'B'R', and VGA signals. The 35-MHz filter is useful for HDTV 720p/1080i Y'P'BP'R, G'B'R', and SVGA/XGA signals. For 1080p or SXGA/UXGA signals, the filter can be bypassed allowing a 190-MHz bandwidth, 300-V/µs amplifier to buffer the signal.

    Each channel of the THS7303 is individually I2C configurable for all functions which makes it flexible for any application. Its rail-to-rail output stage allows for both ac and dc coupling applications. The 6-dB gain along with the built-in SAG correction allows for maximum flexibility as an output video buffer.

    The 16.6-mA total quiescent current (55 mW total power) makes the THS7303 an excellent choice for USB powered or portable video applications. While fully disabled, the THS7303 consumes less than 1 µA making it ideal for energy sensitive applications.

    As part of the THS7303 flexibility, the 2:1 MUX input can be selected for ac- or dc-coupled inputs. The ac-coupled modes include a sync-tip-clamp option for CVBS/Y'/G'/B'/R' with sync or a fixed bias for the C'/P'B/P'R non-sync channels. The dc input options include a dc input or a (dc + 135-mV) input offset shift to allow for a full sync dynamic range at the output with 0-V input.
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    Technische Dokumentation

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    Typ Titel Datum
    * Data sheet 3-Ch, Low-Power Video Amp w/I2C Control, Select Filters, 6db Gain, 2:1 Input MUX datasheet (Rev. B) 16 Mär 2011
    Application note Noise Analysis for High Speed Op Amps (Rev. A) 17 Jan 2005

    Design und Entwicklung

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    Treiber oder Bibliothek

    THS7303SW-LINUX — Linux-Treiber für THS7303

    The Linux driver supports the THS7303 Video Amp and Filter. The Linux driver supports communication through the I2C bus and interfaces with the V4L2 sub-system.
    Linux Mainline Status

    Available in Linux Main line: Yes
    Available through git.ti.com: N/A

    Supported Devices:
    • ths7303
    • ths7353
    Linux Source Files

    (...)

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    THS7303 IBIS Model

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    Bestellen & Qualität

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    • Materialinhalt
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