THS7374IPWR ,4-Ch SDTV (Component and Composite) Video Amplifier with 9.5MHz Filters and 6dB Gain 14-TSSOP -40 to 85This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated cir ..
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THS7374IPW-THS7374IPWR-THS7374IPWRG4
4-Ch SDTV (Component and Composite) Video Amplifier with 9.5MHz Filters and 6dB Gain
THS737475W
CVBS/Sync
CH1 OUT
CH4 OUT
VS+
BYPASS
CH1 IN
CH2 IN
CH3 IN
CH4 IN
GND
DISABLE
THS7374To GPIO Controller
or GNDWW /B' OutBW /R' OutR
THS7374
www.ti.com SLOS590B–JULY 2008–REVISED JANUARY 2011
4-Channel SDTV Video Amplifier with 6th-Order Filters and 6-dB Gain
Checkfor Samples: THS7374
1FEATURES DESCRIPTION 4-SDTV Video Amplifiers for CVBS, S-Video, Fabricated using the revolutionary complementary
Y'P'BP'R 480i/576i, Y'U'V',or G'B'R' (R'G'B') Silicon-Germanium (SiGe) BiCom3X process, the
THS7374isa low-power, single-supply3Vto5V
• Integrated Low-Pass Filters:four-channel integrated video buffer.It incorporatesa
– 6th-Order 9.5-MHz (–3 dB) Butterworth sixth-order Butterworth filter (able to be bypassed)
– –1 dB Passband Bandwidthat 8.2-MHz whichis usefulasa digital-to-analog converter (DAC)
reconstruction filteror an analog-to-digital converter
– 54-dB Attenuationat 27-MHz(ADC) anti-aliasing filter. The 9.5-MHz filter isa
• 150-MHz (–3 dB) Filter Bypass Mode perfect choice for SDTV video that includes
• Versatile Input Biasing composite (CVBS), s-video, Y'U'V', G'B'R' (R'G'B'),
and Y'P'BP'R 480i/576i.
– DC-Coupled with 300-mV Output Shift AC-Coupled with Sync-Tip Clamp As partof the THS7374 flexibility, the input can be
configured for either ac or dc-coupled inputs. The
– AC-Coupled with Biasing Allowed300-mV output level shift allows fora full sync
• Built-in 6-dB Gain(2 V/V) dynamic range at the output with 0-V input. The
• +3-Vto +5-V Single-Supply Operation ac-coupled modes includea transparent sync-tip
clamp option for CVBS, Y', and G'B'R' signals with
• Rail-to-Rail Output:sync. AC-coupled biasing for C'/P'B/P'R channels can
– Output Swings Within 100 mV from the easilybe achievedby addingan external resistor.
Railsto Allow ACor DC Output CouplingThe THS7374is the perfect choiceforall video buffer
– Supports Driving2 Lines per Channel applications.Its rail-to-rail output stage with 6-dB gain
• Low 9.6-mAat 3.3-V Total Quiescent Current allows for both ac and dc line driving. The abilityto
• 0.1-mA Disabled Supply Current Function drive two lines per channel,or 75-Ω loads, allows for
maximum flexibilityasa video line driver. The 9.6-mA
• Low Differential Gain/Phaseof 0.15%/0.3°total quiescent currentat 3.3V and 0.1-mA disabled
• Lead-Free and Green TSSOP-14 Package current makesit an excellent choice for portableor
other power-sensitive applications.
APPLICATIONSThe THS7374is availableina TSSOP-14 package
• Low-Cost SCART Systems thatis lead-free and green (RoHS) compliant.
• Set Top Box Output Video Buffering