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OPA3875 Datasheet Preview

OPA3875 Datasheet

Single 2:1 High-Speed Video Multiplexer

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OPA3875 pdf
BurrĆBrown Products
from Texas Instruments
OPA3875
SBOS341B – DECEMBER 2006 – REVISED DECEMBER 2006
Triple 2:1 High-Speed Video Multiplexer
FEATURES
700MHz SMALL-SIGNAL BANDWIDTH
(AV = +2)
425MHz, 4VPP BANDWIDTH
0.1dB GAIN FLATNESS to 150MHz
4ns CHANNEL SWITCHING TIME
LOW SWITCHING GLITCH: 40mVPP
3100V/µs SLEW RATE
0.025%/0.025° DIFFERENTIAL GAIN, PHASE
HIGH GAIN ACCURACY: 2.0V/V ±0.4%
APPLICATIONS
RGB SWITCHING
LCD PROJECTOR INPUT SELECT
WORKSTATION GRAPHICS
TRIPLE ADC INPUT MUX
DROP-IN UPGRADE TO LT1675
+5V
RGB
Channel 0
75W
75W
75W
OPA3875
(Patented)
75W
75W
RGB
Out
DESCRIPTION
The OPA3875 offers a very wideband, 3-channel, 2:1
multiplexer in a small SSOP-16 package. Using only
11mA/ch, the OPA3875 provides three, gain of +2,
video amplifier channels with > 400MHz large-signal
bandwidth (4VPP). Gain accuracy and switching glitch
are improved over earlier solutions using a new
(patented) input stage switching approach. This
technique uses current steering as the input switch
while maintaining an overall closed-loop design. Gain
matching between each of the 3-channel pairs is
also significantly improved using this technique
(<0.2% gain mismatch). With >700MHz small-signal
bandwidth at a gain of 2, the OPA3875 gives a
typical 0.1dB gain flatness to > 150MHz.
System power may be reduced using the chip enable
feature for the OPA3875. Taking the chip enable line
high powers down the OPA3875 to <900µA total
supply current. Muxing multiple OPA3875 outputs
together, then using the chip enable to select which
channels are active, increases the number of
possible inputs to the 3-channel outputs.
Where a single channel of the OPA3875 is required,
consider the OPA875.
SELECT
1
0
X
OPA3875
ENABLE RED OUT GREEN OUT
0 R0
G0
0 R1
G1
1 Off
Off
BLUE OUT
B0
B1
Off
RGB
Channel 1
75W
75W
75W
75W
-5V EN
Channel
Select
RGB Switching
OPA3875 RELATED PRODUCTS
OPA875
OPA4872
OPA3693
DESCRIPTION
Single-Channel OPA3875
Quad 510MHz 4:1 Multiplexer
Triple 650MHz Video Buffer
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.
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2006, Texas Instruments Incorporated



Burr-Brown
Burr-Brown

OPA3875 Datasheet Preview

OPA3875 Datasheet

Single 2:1 High-Speed Video Multiplexer

No Preview Available !

OPA3875 pdf
OPA3875
SBOS341B – DECEMBER 2006 – REVISED DECEMBER 2006
www.ti.com
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be
more susceptible to damage because very small parametric changes could cause the device not to meet its published
specifications.
ORDERING INFORMATION(1)
PRODUCT
OPA3875
PACKAGE-LEAD
SSOP-16
PACKAGE
DESIGNATOR
SPECIFIED
TEMPERATURE
RANGE
DBQ
–45°C to +85°C
PACKAGE
MARKING
OP3875
ORDERING
NUMBER
OPA3875IDBQ
OPA3875IDBQR
TRANSPORT
MEDIA, QUANTITY
Rails, 75
Tape and Reel, 2500
(1) For the most current package and ordering information see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
ABSOLUTE MAXIMUM RATINGS
Over operating temperature range, unless otherwise noted.
Power Supply
Internal Power Dissipation
Input Voltage Range
Storage Temperature Range
Lead Temperature (soldering, 10s)
Operating Junction Temperature
Continuous Operating Junction Temperature
ESD Rating:
Human Body Model (HBM)
Charge Device Model (CDM)
Machine Model (MM)
Top View
PIN CONFIGURATION
OPA3875
OPA3875
UNIT
±6.5 V
See Thermal Analysis
±VS
–40 to +125
V
°C
+260
°C
+150
°C
+140
°C
2000
1500
200
V
V
V
SSOP
R0 1
G0 2
B0 3
GND 4
GND 5
R1 6
G1 7
B1 8
16 V+
x2 15 OUT_R
x2 14 OUT_G
x2 13 OUT_B
12 V-
11 V-
10 SEL
9 EN
SSOP-16
2 Submit Documentation Feedback


Part Number OPA3875
Description Single 2:1 High-Speed Video Multiplexer
Maker Burr-Brown
Total Page 22 Pages
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