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THS7314 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. THS7314
Description  3-Channel SDTV Video Amplifier With 5th-Order Filters and 6-dB Gain
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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THS7314 Datasheet(HTML) 1 Page - Texas Instruments

 
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FEATURES
DESCRIPTION
APPLICATIONS
5
8
7
6
VS+
GND
CH.2IN
CH.3IN
CH.1IN
CH.3OUT
CH.2OUT
CH.1OUT
DAC/
Encoder
(THS8200)
1
2
3
4
CVBS
Y’
C’
CVBS
Out
75 W
Y’
Out
75 W
C’
Out
75 W
3.3V
3.3V
75 W
75 W
SDTV
CVBS
S-Video Y’
S-VideoC’
480i/576i
Y’P’ P’
G’B’R’
B
R
75 W
S-Video
R
R
R
THS7314
THS7314
SLOS513 – DECEMBER 2006
3-Channel SDTV Video Amplifier With 5th-Order Filters and 6-dB Gain
• 3 SDTV Video Amplifiers for CVBS, S-Video,
Fabricated
using
the
Silicon-Germanium
(SiGe)
Y'P'BP'R 480i/576i, Y'U'V', or G'B'R' (R'G'B')
BiCom-III process, the THS7314 is a low power
single-supply 3-V to 5-V 3-channel integrated video
• Integrated Low-Pass Filters
buffer. It incorporates a 5th-order Butterworth filter
5th-Order 8.5-MHz (–3dB) Butterworth
which is useful as a DAC reconstruction filter or an
–1dB Passband Bandwidth at 7-MHz
ADC anti-aliasing filter. The 8.5-MHz filter is a perfect
choice for SDTV video which includes Composite
47dB Attenuation at 27-MHz
(CVBS),
S-Video,
Y'U'V',
G'B'R'
(R'G'B'),
and
• Versatile Input Biasing
Y'P'BP'R 480i/576i.
DC-Coupled With 285-mV Output Shift
As part of the THS7314 flexibility, the input can be
AC-Coupled with Sync-Tip Clamp
configured for ac or dc coupled inputs. The 285-mV
Allows AC-Coupled With DC-Biasing
output level shift to allow for a full sync dynamic
range at the output with 0-V input. The AC coupled
• Built-in 6dB Gain (2V/V)
modes include a transparent sync-tip clamp option
• 3-V to 5-V Single Supply Operation
for
CVBS,
Y',
and
G'B'R'
signals
with
sync.
• Rail-to-Rail Output:
AC-coupled
biasing
for
C'/P'B/P'R channels is
achieved by adding an external resistor to Vs+.
Output Swings Within 100-mV From the
Rails Allowing AC or DC Output Coupling
The THS7314 is the perfect choice for all output
Able to Drive up to 2 Video Lines – 75
buffer applications. Its rail-to-rail output stage with
6-dB gain allows for both ac and dc line driving. The
• Low 16-mA at 3.3-V Total Quiscent Current
ability to drive 2-lines, or 75-
Ω loads, allows for
• Low Differential Gain/Phase of 0.1% / 0.1°
maximum flexibility as a video line driver. The 16-mA
• SOIC-8 Package
total quiescent current at 3.3-V makes it an excellent
choice for USB powered, portable, or other power
sensitive video applications.
• Set Top Box Output Video Buffering
The THS7314 is available in a small SOIC-8
• PVR/DVDR Output Buffering
package that is RoHS compliant.
• USB/Portable Low Power Video Buffering
Figure 1. 3.3-V Single-Supply DC-Input/DC Output Coupled Video Line Driver
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.
PRODUCTION DATA information is current as of publication date.
Copyright © 2006, 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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