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THS7313 데이터시트(PDF) 1 Page - Texas Instruments |
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THS7313 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 48 page www.ti.com FEATURES APPLICATIONS DESCRIPTION In A Video DAC / Encoder 3.3 V 3.3 V LPF AC Sync TIP Clamp DC + - 1 kW 878 W X1 DC + 135 mV MUTE 2:1 675 W 150 W AC - BIAS In B External Input SDA I2C-A1 SCL I2C-A0 8 MHz Out SAG 47 F m 33 F m 75 W 75 W Video Out 75 W R THS7313 SLOS483 – NOVEMBER 2005 3-Channel Low Power SDTV Video Amplifier with I2C Control, 6-dB Gain, SAG Correction, 2:1 Input MUX, and Selectable Input Bias Modes • Set Top Box Output Video Buffering • 3 SDTV Video Amplifiers for CVBS, S-Video, Y'P'BP'R 480i/576i, or G'B'R' Video Systems • PVR/DVDR Output Buffering • USB/Portable Low Power Video Buffering • I2C™ Control of All Functions on Each Channel • Integrated Low-Pass Filters Fabricated using the new complimentary – 5th Order, 8-MHz Butterworth silicon-germanium (SiGe) BiCom-III process, the • 0.5-dB Attenuation at 5.5 MHz THS7313 is a low-power, single-supply 2.7-V to 5-V, • 48-dB Attenuation at 27 MHz 3-channel integrated video buffer. It incorporates a 5th • Selectable Input Bias Modes order Butterworth filter which is useful as a digital-to-analog converter (DAC) reconstruction filter – AC-Coupled with Sync-Tip Clamp or an analog-to-digital converter (ADC) anti-aliasing – AC-Coupled with Bias filter. The 8-MHz filter is a perfect choice for SDTV – DC-Coupled with 135-mV Input Shift video which includes composite (CVBS), S-Video, Y’U’V’, G'B'R', and Y’P’BP’R 480i/576i. – DC-Coupled • 2:1 Input MUX Allows Multiple Input Sources Each channel of the THS7313 is individually I2C configurable for all functions which makes it flexible • Built-in 6-dB Gain (2 V/V) for any application. Its rail-to-rail output stage allows • SAG Correction Capable for both ac and dc coupling applications. The 6-dB • 2.7-V to 5-V Single Supply Operation gain along with the built-in SAG correction allows for maximum flexibility as an output video buffer. • Individual Disable (<1 µA) and Mute Control • Rail-to-Rail Output: The 16.6 mA total quiescent current at 3.3 V (55 mW) makes it an excellent choice for USB powered or – Output Swings within 100 mV from the Rails portable video applications. While fully disabled, the Which Allows AC or DC Output Coupling THS7313 consumes less than 1 µA. – Able to Drive up to 2 Video Lines – 75 Ω The THS7313 is available in a small lead-free and • Low 16.6-mA (3.3 V) Total Quiescent Current RoHS compliant TSSOP-20 package. • Low Differential Gain/Phase of 0.07% / 0.12 ° Figure 1. 3.3 V Single-Supply DC-Input/AC-Video Output System w/SAG Correction (1 of 3 Channels Shown) Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. I2C is a trademark of Philips Electronics. PRODUCTION DATA information is current as of publication date. Copyright © 2005, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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