THS7365
1
FEATURES
DESCRIPTION
APPLICATIONS
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
DisableHD
HD1OUT
HD2OUT
HD3OUT
BypassHD
SD1IN
SD2IN
SD3IN
NC
V
S+
NC
HD1IN
HD2IN
HD3IN
BypassSD
THS7365
Bypass
SDLPF
Bypass
HDLPF
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
DisableHD
DisableSD
www.ti.com.................................................................................................................................................................................................. SBOS467 – MARCH 2009
6-Channel Video Amplifier with 3-SD and 3-HD Sixth-Order Filters and 6-dB Gain
234
Three SDTV Video Amplifiers for CVBS,
Fabricated using the revolutionary, complementary
S-Video, Y’/P’B/P’R, 480i/576i, Y’U’V’, or R’G’B’
Silicon-Germanium (SiGe) BiCom3X process, the
THS7365 is a low-power, single-supply, 2.7-V to 5-V,
Three HDTV Video Amplifiers for Y’/P’
B/P’R,
six-channel integrated video buffer. It incorporates
720p/1080i/1080p30, or G’B’R’ (R’G’B’)
three
standard-definition
(SDTV)
and
three
Bypassable Sixth-Order Low-Pass Filters:
high-definition
(HDTV)
filter
channels.
All
filters
–
SD Channels: –3 dB at 9.5-MHz
feature
bypassable
sixth-order
Butterworth
filter
characteristics that are useful as digital-to-analog
–
HD Channels: –3 dB at 36-MHz
converter
(DAC)
reconstruction
filters
or
as
Versatile Input Biasing:
analog-to-digital converter (ADC) anti-aliasing filters.
–
DC-Coupled with 300-mV Output Shift
The THS7365 has flexible input coupling capabilities
–
AC-Coupled with Sync-Tip Clamp
that can be configured for either ac- or dc-coupled
–
AC-Coupling with Biasing
inputs. The 300-mV output level shift allows for a full
sync dynamic range at the output with 0-V input. The
Built-in 6-dB Gain (2 V/V)
ac-coupled modes include a transparent sync-tip
+2.7-V to +5-V Single-Supply Operation
clamp for composite video (CVBS), Y', and R'G'B'
Rail-to-Rail Output:
signals with sync. AC-coupled biasing for C'/P'B/P'R
channels can easily be achieved by adding an
–
Output Swings Within 100 mV from the
external resistor to VS+.
Rails: Allows AC or DC Output Coupling
–
Supports Driving Two Video Lines/Channel
The THS7365 is an ideal choice for all video buffer
applications. Its rail-to-rail output stage with 6-dB gain
Low Total Quiescent Current: 20.7 mA at 3.3 V
allows for both ac and dc line driving. The ability to
Disabled Supply Current Function: 0.1 A
drive two lines per channel, or 75-
loads, allows for
Low Differential Gain/Phase: 0.2%/0.3°
maximum flexibility as a video line driver. The
20.7-mA total quiescent current at 3.3 V and 0.1
A
RoHS-Compliant Package: TSSOP-20
(disabled mode) makes it an excellent choice for
power-sensitive video applications.
The THS7365 is available in a TSSOP-20 package
Set Top Box Output Video Buffering
that is lead-free and green (RoHS-compliant).
PVR/DVDR/BluRay Output Buffering
Low-Power Video Buffering
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
Macrovision is a registered trademark of Macrovision Corporation.
4
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.