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OPA3691 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. OPA3691
Description  Triple, Wideband, Fixed Gain Video BUFFER AMPLIFIER With Disable
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

OPA3691 Datasheet(HTML) 1 Page - Texas Instruments

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www.ti.com
Triple, Wideband, Fixed Gain
Video BUFFER AMPLIFIER With Disable
FEATURES
q FLEXIBLE SUPPLY RANGE:
+5V to +12V Single Supply
±2.5V to ±6V Dual Supplies
q INTERNALLY FIXED GAIN: +2 or
±1
q HIGH BANDWIDTH (G = +2): 225MHz
q LOW SUPPLY CURRENT: 5.1mA/ch
q LOW DISABLED CURRENT: 150
µA/ch
q HIGH OUTPUT CURRENT: 190mA
q OUTPUT VOLTAGE SWING:
±4.0V
q IMPROVED HIGH-FREQUENCY PINOUT
APPLICATIONS
q RGB VIDEO LINE DRIVERS
q MULTIPLE LINE VIDEO DAs
q PORTABLE INSTRUMENTS
q ADC BUFFERS
q ACTIVE FILTERS
q WIDEBAND DIFFERENTIAL RECEIVERS
q IMPROVED UPGRADE TO OPA3682
DESCRIPTION
The OPA3692 provides an easy-to-use, broadband fixed
gain, triple buffer amplifier. Depending on the external
connections, the internal resistor network may be used to
provide either a fixed gain of +2 video buffer, or a gain of +1
or –1 voltage buffer. Operating on a very low 5.1mA/ch
supply current, the OPA3692 offers a slew rate and output
power normally associated with a much higher supply cur-
rent. A new output stage architecture delivers high output
current with minimal headroom and crossover distortion.
This gives exceptional single-supply operation. Using a
single +5V supply, the OPA3692 can deliver a 1V to 4V
output swing with over 120mA drive current and > 200MHz
bandwidth. This combination of features makes the OPA3692
an ideal RGB line driver or single-supply, triple Analog-to-
Digital Converter (ADC) input driver.
The low 5.1mA/ch supply current of the OPA3692 is precisely
trimmed at +25
°C. This trim, along with low drift over tempera-
ture, ensures lower maximum supply current than competing
products that report only a room temperature nominal supply
current. System power can be further reduced by using the
optional disable control pin. Leaving this disable pin open, or
holding it HIGH, gives normal operation. If pulled LOW, the
OPA3692 supply current drops to less than 150
µA/ch while
the output goes into a high-impedance state. This feature
may be used for power savings.
OPA3692
SBOS228E – FEBRUARY 2002 – REVISED DECEMBER 2008
www.ti.com
Copyright © 2002-2008, Texas Instruments Incorporated
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.
OPA3692 RELATED PRODUCTS
SINGLES
DUALS
TRIPLES
Voltage-Feedback
OPA690
OPA2690
OPA3690
Current-Feedback
OPA691
OPA2691
OPA3691
Fixed Gain
OPA692
OPA3682
OPA3692
1/3
OPA3692
402
402
75.0
75.0
RG-59
V
R
1/3
OPA3692
402
402
75.0
75.0
RG-59
V
G
1/3
OPA3692
402
402
75.0
75
Ω Cable
75
Ω Cable
75
Ω Cable
75.0
RG-59
V
B
RGB Line Driver
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
All trademarks are the property of their respective owners.


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