Fabricated using the revolutionary complementary silicon-sermanium (SiGe) BiCom3 process, the THS7315 is a low-power, single-supply, 3-V to 5-V 3-channel integrated video buffer. It incorporates a 5th-order Butterworth filter that is useful as a digital-to-analog converter (DAC) reconstruction filter or an analog-to-digital converter (ADC) anti-aliasing filter. The 8.5-MHz filter is a perfect choice for SDTV video, including Composite Video Baseband Signals (CVBS), S-Video, Y’U’V’, G’B’R’ (R’G’B’), and Y’P’_BP’_R 480i/576i.

The THS7315 inputs can be either ac- or dc-coupled. The 230-mV output level shift allows for a full sync dynamic range at the output with 0 V input. The ac-coupled modes include a transparent sync-tip clamp option for CVBS, Y', and G'B'R' signals with bottom-level sync. AC-coupled biasing for C'/P'_B/P'_R channels can easily be achieved by adding an external resistor to V_S+.

The THS7315 is the perfect choice for all output buffer applications. Its rail-to-rail output stage with 5.2-V/V gain allows for both ac and dc line driving, making it a perfect choice for DaVinci processors. The ability for each channel to drive two video lines, or 75- loading, allows for maximum flexibility as a video line driver. The 15.6-mA quiescent current at 3.3 V also makes it an excellent choice for USB-powered, portable, or other power-sensitive video applications

The THS7315 is available in a small SOIC-8 package that is lead-free and compliant with green requirements.

• Three SDTV Video Amplifiers for CVBS, S-Video, Y'P'BP'R 480i/576i, Y'U'V', or G'B'R' (R'G'B')
• Integrated Low-Pass Filters:
  • 5th-Order, 8.5-MHz (-3dB) Butterworth
    • -1dB Passband Bandwidth at 7 MHz
    • 47 dB Attenuation at 27 MHz
• Versatile Input Biasing:
  • DC-Coupled with 230-mV Output Shift
  • AC-Coupled with Sync-Tip Clamp
  • Allows AC-Coupled With DC-Biasing
• Built-in 5.2 V/V Gain (14.3 dB)
• +3-V to +5-V Single Supply Operation
• Rail-to-Rail Output:
  • Output Swings Within 100 mV of the Rails, Allowing AC- or DC-Output Coupling
  • Supports Driving Two Lines per Channel
• Low Total Quiescent Current: 15.6 mA at 3.3 V
• Low Differential Gain/Phase of 0.2%/0.3°
• Lead-free, Green SOIC-8 Package
• APPLICATIONS
  • Set Top Box Output Video Buffering
  • PVR/DVDR Output Buffering
  • USB/Portable Low-Power Video Buffering

DaVinci is a trademark of Texas Instruments. All other trademarks are the property of their respective owners.

• Diff gain (%)
• 0.2
• Output current (Typ) (mA)
• 80
• Vs (Min) (V)
• 2.85
• Vs (Max) (V)
• 5.5
• Diff phase (deg)
• 0.3
• Operating temperature range (C)
• -40 to 85
• Rating
• Catalog

THS7315的完整型号有：THS7315D、THS7315DR，以下是这些产品的关键参数及官网采购报价：

THS7315D，工作温度：-40 to 85，封装：SOIC (D)-8，包装数量MPQ：75个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网THS7315D的批量USD价格：.581（1000+）

THS7315DR，工作温度：-40 to 85，封装：SOIC (D)-8，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网THS7315DR的批量USD价格：.484（1000+）

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