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OPA693

Description
Wideband, Low-Power, Current Feedback Operational Amplifier
File Size591KB,29 Pages
ManufacturerBurr-Brown
Websitehttp://www.burr-brown.com/
Download Datasheet View All

OPA693 Overview

Wideband, Low-Power, Current Feedback Operational Amplifier

Burr Brown Products
from Texas Instruments
OP
A36
95
OPA3693
SBOS353 – DECEMBER 2006
Triple, Ultra-Wideband, Fixed-Gain,
VIDEO BUFFER with Disable
FEATURES
V
R
75W
300W
DESCRIPTION
The OPA3693 provides an easy to use, broadband,
triple, fixed-gain 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. The
OPA3693 offers a slew rate (2500V/µs) and
bandwidth (> 800MHz) normally associated with a
much higher supply current. A new output stage
architecture delivers high output current with a
minimal headroom and crossover distortion. This
combination of features makes the OPA3693 an
ideal RGB line driver or single-supply undersampling
analog-to-digital converter (ADC) input driver.
The OPA3693 13mA/channel supply current is
precisely trimmed at +25°C. This trim, along with a
low temperature drift, gives lower system power over
temperature. System power can be further reduced
using the optional disable control pin. Leaving this
pin open, or holding it HIGH, gives normal operation.
If pulled LOW, the OPA3693 supply current drops to
less than 130µA/channel. This power-saving feature,
along with exceptional single +5V operation, make
the OPA3693 ideal for portable applications. The
OPA3693 is available in an SSOP-16 package.
650MHz BANDWIDTH (G = +2)
FIXED GAIN OF
±1
or +2
OUTPUT VOLTAGE SWING:
±4.1V
ULTRA-HIGH SLEW RATE: 2500V/µs
3RD-ORDER INTERCEPT: > 40dBm
(f < 50MHz)
LOW POWER: 130mW/channel
LOW DISABLED POWER: 0.4mW/channel
APPLICATIONS
MULTIPLE LINE VIDEO DISTRIBUTION
AMPLIFIER (DA)
PORTABLE INSTRUMENTS
BROADBAND VIDEO LINE DRIVERS
ADC BUFFERS
HIGH-FREQUENCY ACTIVE FILTERS
75W
1/3
OPA3693
75
W
Cable
RG-59
300W
OPA3693 RELATED PRODUCTS
V
G
75W
300W
75W
1/3
OPA3693
75
W
Cable
RG-59
FEATURE
Voltage
Feedback
Current
Feedback
Fixed Gain
Fixed Gain
SINGLES
OPA690
OPA691
OPA692
OPA693
OPA695
DUALS
OPA2690
OPA2691
OPA2695
TRIPLES
OPA3690
OPA3691
OPA3692
OPA3695
300W
V
B
75W
300W
75W
1/3
OPA3693
75
W
Cable
RG-59
>900MHz
300W
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
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