參數(shù)資料
型號(hào)： THS7368IPWR
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 6 CHANNEL, VIDEO AMPLIFIER, PDSO20
封裝： GREEN, TSSOP-20
文件頁(yè)數(shù)： 1/40頁(yè)
文件大小： 1123K
代理商： THS7368IPWR
R
SOC/DAC/Encoder
S-Video
Y’
R
S-Video
C’
R
Y'/G'
R
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
SD1OUT
SD2OUT
SD3OUT
DisableSD
GND
DisableSF
SF1OUT
SF2OUT
SF3OUT
BypassSF
SD1IN
SD2IN
SD3IN
Filter2
V
S+
Filter1
SF1IN
SF2IN
SF3IN
BypassSD
THS7368
Bypass
SDLPF
Bypass
SFLPF
P' /B'
B
R
CVBS
P' /R'
R
75 W
CVBS
75 W
S-VideoY'Out
75 W
S-VideoC'Out
75 W
Y'/G'Out
75 W
P' /B'Out
B
75 W
P' /R'Out
R
75 W
+2.7Vto
+5V
DisableSF
DisableSD
Filter2
Filter1
www.ti.com
SBOS497 – DECEMBER 2009
6-Channel Video Amplifier with 3-SD and 3-SD/ED/HD/Full-HD Filters and 6-dB Gain
Check for Samples: THS7368
1
FEATURES
DESCRIPTION
2345
Three SDTV Video Amplifiers for CVBS,
Fabricated using the revolutionary, complementary
S-Video, Y’/P’B/P’R, 480i/576i, Y’U’V’, or G'B'R'
Silicon-Germanium (SiGe) BiCom3X process, the
THS7368 is a low-power, single-supply, 2.7-V to 5-V,
Three SD/ED/HD/Full-HD Selectable Filters for
six-channel integrated video buffer. It incorporates
Y’/P’B/P’R, G’B’R’, or Computer RGB
three
SDTV
filters
and
three
selectable
Bypassable Sixth-Order Low-Pass Filters:
SD/ED/HD/Full-HD (also known as True-HD) HDTV
–
Fixed SD Channels: 9.5-MHz
filters.
All
filters
feature
bypassable
sixth-order
Butterworth
characteristics
that
are
useful
as
–
Selectable Channels:
digital-to-analog converter (DAC) reconstruction filters
9.5-MHz/18-MHz/36-MHz/72-MHz
or as analog-to-digital converter (ADC) anti-aliasing
Versatile Input Biasing:
filters.
–
DC-Coupled with 300-mV Output Shift
The THS7368 has flexible input coupling capabilities
–
AC-Coupled with Sync-Tip Clamp or Bias
that can be configured for either ac- or dc-coupled
Built-in 6-dB Gain (2 V/V)
inputs. The 300-mV output level shift allows for a full
sync dynamic range at the output with 0-V input. The
+2.7-V to +5-V Single-Supply Operation
ac-coupled modes include a transparent sync-tip
Rail-to-Rail Output:
clamp for CVBS, Y', and G'B'R' signals. AC-coupled
–
Output Swings Within 100 mV from the
biasing for C'/P'B/P'R channels can easily be achieved
Rails: Allows AC or DC Output Coupling
by adding an external resistor to VS+.
–
Supports Driving Two Video Lines/Channel
The THS7368 is an ideal choice for all video buffer
applications. Its rail-to-rail output stage with 6-dB gain
Low Total Quiescent Current: 23.4 mA at 3.3 V
allows for both ac and dc line driving. The ability to
Disabled Supply Current Function: 0.1
μA
drive two lines, or 75-
loads, allows for maximum
Low Differential Gain/Phase: 0.2%/0.35°
flexibility as a video line driver. The 23.4-mA total
quiescent current at 3.3 V and 0.1
μA (disabled
APPLICATIONS
mode) makes it a good choice for systems that must
meet power-sensitive Energy Star standards.
Set Top Box Output Video Buffering
PVR/DVDR Output Buffering
The THS7368 is available in a TSSOP-20 package
BluRay Output Video Buffer
that is lead-free and green (RoHS-compliant).
Figure 1. 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.
2
BluRay is a trademark of Blu-ray Disc Association (BDA).
3
Energy Star is a registered trademark of Energy Star.
4
Macrovision is a registered trademark of Macrovision Corporation.
5
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright 2009, 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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PDF描述
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