參數(shù)資料
型號(hào)： THS7375IPWRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： VIDEO AMPLIFIER, PDSO14
封裝： GREEN, PLASTIC, TSSOP-14
文件頁(yè)數(shù)： 1/39頁(yè)
文件大小： 973K
代理商： THS7375IPWRG4
THS7375
75 W
Y'/G'Out
CVBS/Sync
CVBS
+1.8V
R
Y'/G'
R
P’ /B'
B
R
P’ /R'
R
1
2
3
4
5
6
7
14
13
12
11
10
9
8
CH1OUT
CH2OUT
CH3OUT
CH4OUT
V
S+
BYPASS
NC
CH1IN
CH2IN
CH3IN
CH4IN
GND
DISABLE
NC
THS7375
ToGPIOController
orGND
75 W
P' /B'Out
B
75 W
P' /R'Out
R
75 W
+3Vto+5V
DaVinci
DMxxxx
www.ti.com
SBOS449A – SEPTEMBER 2008 – REVISED JANUARY 2011
4-Channel SDTV Video Amplifier with 6th-Order Filters and 5.6-V/V Gain
Check for Samples: THS7375
1
FEATURES
DESCRIPTION
23
Four SDTV Video Amplifiers for CVBS,
Fabricated using the revolutionary complementary
S-Video, Y'P'BP'R 480i/576i, Y'U'V', G'B'R'
Silicon-Germanium (SiGe) BiCom3X process, the
(R'G'B'), or SCART
THS7375 is a low-power, single-supply, 3 V to 5 V
four-channel integrated video buffer. It incorporates a
Integrated Low-Pass Filters:
sixth-order Butterworth filter (able to be bypassed)
–
Sixth-Order 9.5-MHz (–3dB) Butterworth
that is useful as a digital-to-analog converter (DAC)
–
–0.1-dB Bandwidth at 6 MHz
reconstruction filter or an analog-to-digital converter
(ADC) anti-aliasing filter. The 9.5-MHz filter is a
–
–1-dB Passband Bandwidth at 8 MHz
perfect
choice
for
SDTV
video
that
includes
–
54-dB Attenuation at 27 MHz
composite (CVBS), S-video, Y'U'V', G'B'R' (R'G'B'),
Versatile Input Biasing
Y'P'BP'R 480i/576i, and SCART systems.
–
DC-Coupled with 320-mV Output Shift
As part of the THS7375 flexibility, the input can be
–
AC-Coupled with Sync-Tip Clamp
configured for either ac or dc-coupled inputs. The
320-mV output level shift allows for a full sync
–
AC-Coupled with Biasing Allowed
dynamic range at the output with 0-V input. The
Built-in 5.6-V/V Gain (14.95 dB)
ac-coupled modes include a transparent sync-tip
+3-V to +5-V Single-Supply Operation
clamp option for CVBS, Y', and G'B'R' signals with
sync. AC-coupled biasing for C'/P'B/P'R channels can
Rail-to-Rail Output:
easily be achieved by adding an external resistor to
–
Output Swings Within 100 mV from the
VS+.
Rails to Allow AC or DC Output Coupling
The THS7375 is the perfect choice for all video buffer
–
Supports Driving Two Lines per Channel
applications. Its rail-to-rail output stage with 5.6-V/V
Low 9.8-mA at 3.3-V Total Quiescent Current
gain allows for both ac and dc line driving. This
Low Differential Gain/Phase of 0.2%/0.35°
architecture makes the THS7375 an ideal choice for
DaVinci processors. The ability to drive two lines
Lead-Free and Green TSSOP-14 Package
per channel, or 75-
loads, allows for maximum
flexibility as a video line driver. The 9.8-mA total
APPLICATIONS
quiescent current at 3.3 V and 0.1-mA disabled
Set Top Box Output Video Buffering
current
makes
it
an
excellent
choice
for
Portable Media Player Video Buffering
USB-powered, portable, or other power-sensitive
applications.
Security/Surveillance Systems
DaVinci/OMAP/DMxxx Video Buffering
The THS7375 is available in a TSSOP-14 package
that is lead-free and green (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.
2
DaVinci is a trademark of Texas Instruments Incorporated.
3
All other trademarks are the property of their respective owners.
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.
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