●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, YUV, GBR (RGB), and YPBPR 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 VS+.
●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.
Part 3D Model
