THS7315 Series

3-Channel SDTV Video Amplifier with 5th-Order Filters and 5.2V/V Gain

Catalog

3-Channel SDTV Video Amplifier with 5th-Order Filters and 5.2V/V Gain

Part	Supplier Device Package	Applications	Number of Circuits	Package / Case	Package / Case [y]	Package / Case [x]	Mounting Type	-3db Bandwidth	Output Type	Voltage - Supply, Single/Dual (±) [Min]	Voltage - Supply, Single/Dual (±) [Max]	Current - Output / Channel [custom]
Texas Instruments THS7315DR	8-SOIC	Buffer	1	8-SOIC	3.9 mm	0.154 in	Surface Mount	8.5 MHz	Rail-to-Rail	2.85 V	5.25 V	90 mA

Catalog

3-Channel SDTV Video Amplifier with 5th-Order Filters and 5.2V/V Gain

Key Features

• Three SDTV Video Amplifiers for CVBS, S-Video, Y'P'BP'R480i/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 MHz47 dB Attenuation at 27 MHzVersatile Input Biasing:DC-Coupled with 230-mV Output ShiftAC-Coupled with Sync-Tip ClampAllows AC-Coupled With DC-BiasingBuilt-in 5.2 V/V Gain (14.3 dB)+3-V to +5-V Single Supply OperationRail-to-Rail Output:Output Swings Within 100 mV of the Rails, Allowing AC- or DC-Output CouplingSupports Driving Two Lines per ChannelLow Total Quiescent Current: 15.6 mA at 3.3 VLow Differential Gain/Phase of 0.2%/0.3°Lead-free, Green SOIC-8 PackageAPPLICATIONSSet Top Box Output Video BufferingPVR/DVDR Output BufferingUSB/Portable Low-Power Video BufferingDaVinci is a trademark of Texas Instruments.All other trademarks are the property of their respective owners.Three SDTV Video Amplifiers for CVBS, S-Video, Y'P'BP'R480i/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 MHz47 dB Attenuation at 27 MHzVersatile Input Biasing:DC-Coupled with 230-mV Output ShiftAC-Coupled with Sync-Tip ClampAllows AC-Coupled With DC-BiasingBuilt-in 5.2 V/V Gain (14.3 dB)+3-V to +5-V Single Supply OperationRail-to-Rail Output:Output Swings Within 100 mV of the Rails, Allowing AC- or DC-Output CouplingSupports Driving Two Lines per ChannelLow Total Quiescent Current: 15.6 mA at 3.3 VLow Differential Gain/Phase of 0.2%/0.3°Lead-free, Green SOIC-8 PackageAPPLICATIONSSet Top Box Output Video BufferingPVR/DVDR Output BufferingUSB/Portable Low-Power Video BufferingDaVinci is a trademark of Texas Instruments.All other trademarks are the property of their respective owners.

Description

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’R480i/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'Rchannels 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. 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’R480i/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'Rchannels 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.