Texas Instruments THS7374EVM Evaluation Module THS7374EVM THS7374EVM 데이터 시트
제품 코드
THS7374EVM
THS7374
75 W
Y'/G' Out
CVBS/Sync
CVBS
+3.3 V
R
Y'/G'
R
P’ /B'
B
R
P’ /R'
R
R
1
2
3
4
5
6
7
14
13
12
11
10
9
8
CH1 OUT
CH2 OUT
CH3 OUT
CH4 OUT
V
S+
BYPASS
NC
CH1 IN
CH2 IN
CH3 IN
CH4 IN
GND
DISABLE
NC
THS7374
To GPIO Controller
or GND
75 W
75 W
P' /B' Out
B
75 W
75 W
P' /R' Out
R
75 W
75 W
75 W
+3 V to +5 V
DAC/Encoder
SDTV
CVBS
S-Video
Y'P’ P'
R'G'B’
B
R
www.ti.com
SLOS590B – JULY 2008 – REVISED JANUARY 2011
4-Channel SDTV Video Amplifier with 6th-Order Filters and 6-dB Gain
Check for Samples:
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FEATURES
DESCRIPTION
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•
4-SDTV Video Amplifiers for CVBS, S-Video,
Fabricated using the revolutionary complementary
Y'P'
B
P'
R
480i/576i, Y'U'V', or G'B'R' (R'G'B')
Silicon-Germanium (SiGe) BiCom3X process, the
THS7374 is a low-power, single-supply 3 V to 5 V
THS7374 is a low-power, single-supply 3 V to 5 V
•
Integrated Low-Pass Filters:
four-channel integrated video buffer. It incorporates a
–
6th-Order 9.5-MHz (–3 dB) Butterworth
sixth-order Butterworth filter (able to be bypassed)
–
–1 dB Passband Bandwidth at 8.2-MHz
which is useful as a digital-to-analog converter (DAC)
reconstruction filter or an analog-to-digital converter
reconstruction filter or an analog-to-digital converter
–
54-dB Attenuation at 27-MHz
(ADC) anti-aliasing filter. The 9.5-MHz filter is a
•
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'
and Y'P'
B
P'
R
480i/576i.
–
DC-Coupled with 300-mV Output Shift
–
AC-Coupled with Sync-Tip Clamp
As part of the THS7374 flexibility, the input can be
configured for either ac or dc-coupled inputs. The
configured for either ac or dc-coupled inputs. The
–
AC-Coupled with Biasing Allowed
300-mV output level shift allows for a full sync
•
Built-in 6-dB Gain (2 V/V)
dynamic range at the output with 0-V input. The
•
+3-V to +5-V Single-Supply Operation
ac-coupled modes include a transparent sync-tip
clamp option for CVBS, Y', and G'B'R' signals with
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
easily be achieved by adding an external resistor.
Rails to Allow AC or DC Output Coupling
The THS7374 is the perfect choice for all video buffer
–
Supports Driving 2 Lines per Channel
applications. Its rail-to-rail output stage with 6-dB gain
•
Low 9.6-mA at 3.3-V Total Quiescent Current
allows for both ac and dc line driving. The ability to
•
0.1-
m
A Disabled Supply Current Function
drive two lines per channel, or 75-
Ω
loads, allows for
maximum flexibility as a video line driver. The 9.6-mA
•
Low Differential Gain/Phase of 0.15%/0.3°
total quiescent current at 3.3 V and 0.1-
m
A disabled
•
Lead-Free and Green TSSOP-14 Package
current makes it an excellent choice for portable or
other power-sensitive applications.
other power-sensitive applications.
APPLICATIONS
The THS7374 is available in a TSSOP-14 package
•
Low-Cost SCART Systems
that is lead-free and green (RoHS) compliant.
•
Set Top Box Output Video Buffering
•
Surveillance Systems
Figure 1. 3.3-V Single-Supply, DC-Input/DC-Output Coupled Video Line Driver
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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.
2
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PRODUCTION DATA information is current as of publication date.
Copyright © 2008–2011, 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.