Texas Instruments THS7314EVM Evaluation Module THS7314EVM THS7314EVM 数据表
产品代码
THS7314EVM
5
8
7
6
VS+
GND
CH.2 IN
CH.3 IN
CH.1 IN
CH.3 OUT
CH.2 OUT
CH.1 OUT
DAC/
Encoder
(THS8200)
1
2
3
4
CVBS
Y’
C’
CVBS
Out
75 W
Y’
Out
75 W
C’
Out
75 W
3.3 V
3.3 V
75 W
75 W
SDTV
CVBS
S-Video Y’
S-Video C’
480i/576i
Y’P’ P’
Y’P’ P’
G’B’R’
B
R
75 W
S-Video
R
R
R
THS7314
SLOS513A
–
DECEMBER 2006
–
REVISED MARCH 2011
3-Channel SDTV Video Amplifier With 5
th
-Order Filters and 6-dB Gain
Check for Samples:
1
FEATURES
DESCRIPTION
•
3 SDTV Video Amplifiers for CVBS, S-Video,
Y'P'
Y'P'
B
P'
R
480i/576i, Y'U'V', or G'B'R' (R'G'B')
Fabricated
using
the
Silicon-Germanium
(SiGe)
BiCom-III process, the THS7314 is a low power
•
Integrated Low-Pass Filters
single-supply 3-V to 5-V 3-channel integrated video
–
5
th
-Order 8.5-MHz (
–
3dB) Butterworth
buffer. It incorporates a 5th-order Butterworth filter
– –
1dB Passband Bandwidth at 7-MHz
which is useful as a DAC reconstruction filter or an
–
47dB Attenuation at 27-MHz
ADC anti-aliasing filter. The 8.5-MHz filter is a perfect
choice for SDTV video which includes Composite
choice for SDTV video which includes Composite
•
Versatile Input Biasing
(CVBS), S-Video, Y
'
U
'
V
'
, G
'
B
'
R
'
(R
'
G
'
B
'
), and Y
'
P
'
B
P
'
R
–
DC-Coupled With 285-mV Output Shift
480i/576i.
–
AC-Coupled with Sync-Tip Clamp
As part of the THS7314 flexibility, the input can be
–
Allows AC-Coupled With DC-Biasing
configured for ac or dc coupled inputs. The 285-mV
•
Built-in 6dB Gain (2V/V)
output level shift to allow for a full sync dynamic
range at the output with 0-V input. The AC coupled
range at the output with 0-V input. The AC coupled
•
3-V to 5-V Single Supply Operation
modes include a transparent sync-tip clamp option for
•
Rail-to-Rail Output:
CVBS, Y
'
, and G
'
B
'
R
'
signals with sync. AC-coupled
–
Output Swings Within 100-mV From the
biasing for C
'
/P
'
B
/P
'
R
channels is achieved by adding
an external resistor to Vs+.
Rails Allowing AC or DC Output Coupling
–
Able to Drive up to 2 Video Lines
–
75
Ω
The THS7314 is the perfect choice for all output
buffer applications. Its rail-to-rail output stage with
buffer applications. Its rail-to-rail output stage with
•
Low 16-mA at 3.3-V Total Quiscent Current
6-dB gain allows for both ac and dc line driving. The
•
Low Differential Gain/Phase of 0.1% / 0.1
°
ability to drive 2-lines, or 75-
Ω
loads, allows for
•
SOIC-8 Package
maximum flexibility as a video line driver. The 16-mA
total quiescent current at 3.3-V makes it an excellent
total quiescent current at 3.3-V makes it an excellent
APPLICATIONS
choice for USB powered, portable, or other power
sensitive video applications.
sensitive video applications.
•
Set Top Box Output Video Buffering
•
PVR/DVDR Output Buffering
The THS7314 is available in a small SOIC-8 package
•
USB/Portable Low Power Video Buffering
that is RoHS compliant.
Figure 1. 3.3-V Single-Supply DC-Input/DC Output Coupled Video Line Driver
1
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.
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
©
2006
–
2011, 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.
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.