Product category:
Analogue and Mixed Signal ICs
News Release from: Texas Instruments (April 2001-March 2006) | Subject: THS7303/13/53
Edited by the Electronicstalk Editorial
Team on 19 December 2005
Video amps offer full programmability
New integrated high-performance three-channel video amplifiers offer full I2C programmability of all functions independently for each channel, allowing video systems to be configured on-the-fly.
Three new integrated high-performance three-channel video amplifiers from TI are the first to offer full I2C programmability of all functions independently for each channel, which provides the designer the flexibility to configure a video system as required or on-the-fly, without the need for hardware upgrades or modifications The devices are designed with integrated Butterworth filters to provide all the analogue signal conditioning required in video applications such as set-top boxes, digital televisions, personal video recorders/DVD readers and portable USB devices
This article was originally published on Electronicstalk on 8 Nov 2004 at 8.00am (UK)
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Manufactured in TI's proprietary BiCom3 complementary bipolar silicon germanium process, the THS7303, THS7313 and THS7353 feature 2.7 to 5V single-supply operation and are as much as 20x lower power than competing amplifiers.
For example, total quiescent current at 3.3V for the THS7353 is 16.2mA and total power is 54mW.
This reduces system thermal issues, increases long-term reliability and provides a key benefit for customers designing environmentally friendly products.
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The THS7303 and THS7313 are video line driver output devices configured in a gain of 6dB with SAG correction, and they are capable of driving up to two doubly-terminated 75ohm video lines.
The THS7303 integrates I2C-programmable 9, 16 and 35MHz digital-to-analogue convertor (DAC) reconstruction filters for standard-definition digital television (SDTV), enhanced-definition television (EDTV) and high-definition television (HDTV), and a 190MHz filter bypass mode for 1080p or SXGA/UXGA video standards.
The THS7313 includes a fixed 9MHz filter for SDTV.
The THS7353 is a video input device containing analogue-to-digital convertor (ADC) anti-aliasing filter modes selectable at 9, 16 and 35MHz along with a 150MHz bypass mode.
The THS7353 unity gain amplifier can be configured with external resistors for gains up to 14dB to allow compensation of skin effect losses on cables or SinX/X DAC compensation.
The THS73x3 devices join TI's extensive offering of high-performance analogue and digital signal processor (DSP) products for video applications, including DaVinci products optimised for digital video systems.
TI provides the silicon, software, systems expertise and support for customers' video designs, enabling them to get to market quickly.
The THS7303/13/53 video amplifiers are available now in 20-pin, lead (Pb)-free and green thin shrink small outline packages (TSSOP) from TI and its authorised distributors.
Suggested resale pricing in quantities of 1000 is $1.65 for the THS7303 and THS7353, and $1.20 for the THS7313.
Samples and evaluation modules (EVM) are available for 24-hour delivery.
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