Texas Instruments THS7303EVM Evaluation Module THS7303EVM THS7303EVM Scheda Tecnica
Codici prodotto
THS7303EVM
In A
Video
DAC /
DAC /
Encoder
3.3 V
3.3 V
LPF
AC
Sync
TIP
Clamp
DC
+
-
1 kW
878 W
X1
DC
135 mV
MUTE
Bypass
2
:
1
675 W
150 W
AC
-
BIAS
In B
External
Input
SDA
I2C-A1
SCL
I2C-A0
9 / 16 /
35-MHz
35-MHz
Out
SAG
47 F
m
33 F
m
75 W
75 W
Video
Out
75 W
R
SLOS479B
–
OCTOBER 2005
–
REVISED MARCH 2011
3-Channel, Low-Power Video Amplifier with I
2
C Control, Selectable Filters, 6-dB Gain,
SAG Correction, 2:1 Input MUX, and Selectable Input Bias Modes
Check for Samples:
1
FEATURES
APPLICATIONS
•
Set Top Box Output Video Buffering
234
•
3-Video Amplifiers for CVBS, S-Video
,
•
PVR/DVDR Output Buffering
Y'U'V', SD/ED/HD Y'P'
B
P'
R
, and G'B'R' (R'G'B')
•
USB/Portable Low Power Video Buffering
•
I
2
C
™
Control of All Functions
•
Integrated Low-Pass Filters
DESCRIPTION
–
5th-Order Butterworth Characteristics
Fabricated
using
the
new
complementary
–
Selectable Corner Frequencies of 9-MHz,
silicon-germanium
(SiGe)
BiCom-3
process,
the
16-MHz, 35-MHz, and Bypass (190-MHz)
THS7303 is a low-power, single-supply, 2.7-V to 5-V,
3-channel integrated video buffer. It incorporates a
3-channel integrated video buffer. It incorporates a
•
Selectable Input Bias Modes
selectable fifth-order Butterworth filter to eliminate
–
AC-Coupled with Sync-Tip-Clamp
data converter images. The 9-MHz filter is a perfect
–
AC-Coupled with Bias
choice for SDTV video including composite (CVBS),
S-Video, and 480i/576i Y
S-Video, and 480i/576i Y
'
P
'
B
P
'
R
, and G
'
B
'
R
'
(R
'
G
'
B
'
)
–
DC-Coupled with 135-mV Input Shift
signals.
The
16-MHz
filter
is
ideal
for
EDTV
–
DC-Coupled
480p/576p Y
'
P
'
B
P
'
R
, G
'
B
'
R
'
, and VGA signals. The
•
2:1 Input MUX Allows Multiple Input Sources
35-MHz filter is useful for HDTV 720p/1080i Y
'
P
'
B
P
'
R
,
•
Built-in 6-dB Gain (2 V/V)
G
'
B
'
R
'
,
and
SVGA/XGA
signals.
For
1080p
or
SXGA/UXGA signals, the filter can be bypassed
•
SAG Correction Capable
allowing a 190-MHz bandwidth, 300-V/
μ
s amplifier to
•
2.7-V to 5-V Single Supply Operation
buffer the signal.
•
Low 16.6-mA (3.3 V) Total Quiscent Current
Each channel of the THS7303 is individually I
2
C
•
Individual Disable (
<
1
μ
A) and Mute Control
configurable for all functions which makes it flexible
•
Rail-to-Rail Output:
for any application. Its rail-to-rail output stage allows
for both ac and dc coupling applications. The 6-dB
for both ac and dc coupling applications. The 6-dB
–
Output Swings within 100 mV from the
gain along with the built-in SAG correction allows for
Rails to Allow AC or DC Output Coupling
maximum flexibility as an output video buffer.
–
Supports Driving Two Lines per Channel
The 16.6-mA total quiescent current (55 mW total
•
Low Differential Gain/Phase of 0.13%/0.55
°
power) makes the THS7303 an excellent choice for
USB powered or portable video applications. While
fully disabled, the THS7303 consumes less than 1
USB powered or portable video applications. While
fully disabled, the THS7303 consumes less than 1
μ
A
making it ideal for energy sensitive applications.
Figure 1. 3.3-V, Single-Supply, DC-Input/AC-Video Output System with SAG Correction
(1 of 3 Channels Shown)
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.
2
Windows is a registered trademark of Microsoft Corporation.
3
I
2
C is a trademark of NXP Semiconductors.
4
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright
©
2005
–
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.