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OPA691 Datasheet(PDF) 1 Page - Texas Instruments

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Part # OPA691
Description  Wideband, Voltage-Feedback OPERATIONAL AMPLIFIER with Disable
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

OPA691 Datasheet(HTML) 1 Page - Texas Instruments

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R
4
20W
R
5
20W
C
3
20pF
C
6
20pF
C
4
10 F
m
C
5
0.1 F
m
THS1040
10-Bit
40MSPS
AIN+
AIN-
V
=1V
REF
C
2
8
OPA690
3
2
4
R
1
+5V
R
2
R
1
R
3
0.1 F
m
2.5V
C
1
V
I
3.3V
OPA690
www.ti.com
SBOS223F – DECEMBER 2001 – REVISED FEBRUARY 2010
Wideband, Voltage-Feedback
OPERATIONAL AMPLIFIER with Disable
Check for Samples: OPA690
1
FEATURES
DESCRIPTION
2
FLEXIBLE SUPPLY RANGE:
The OPA690 represents a major step forward in
+5V to +12V Single Supply
unity-gain stable, voltage-feedback op amps. A new
±2.5V to ±5V Dual Supply
internal architecture provides slew rate and full-power
bandwidth
previously
found
only
in
wideband,
UNITY-GAIN STABLE: 500MHz (G = 1)
current-feedback op amps. A new output stage
HIGH OUTPUT CURRENT: 190mA
architecture delivers high currents with a minimal
OUTPUT VOLTAGE SWING: ±4.0V
headroom
requirement.
These
combine
to
give
exceptional single-supply operation. Using a single
HIGH SLEW RATE: 1800V/µs
+5V supply, the OPA690 can deliver a 1V to 4V
LOW SUPPLY CURRENT: 5.5mA
output swing with over 150mA drive current and
LOW DISABLE CURRENT: 100µA
150MHz bandwidth. This combination of features
makes the OPA690 an ideal RGB line driver or
WIDEBAND +5V OPERATION: 220MHz (G = 2)
single-supply Analog-to-Digital Converter (ADC) input
driver.
APPLICATIONS
VIDEO LINE DRIVING
The low 5.5mA supply current of the OPA690 is
precisely trimmed at +25°C. This trim, along with low
xDSL LINE DRIVER/RECEIVER
temperature
drift,
gives
lower
maximum
supply
HIGH-SPEED IMAGING CHANNELS
current than competing products. System power may
ADC BUFFERS
be reduced further using the optional disable control
PORTABLE INSTRUMENTS
pin. Leaving this disable pin open, or holding it HIGH,
will operate the OPA690 normally. If pulled LOW, the
TRANSIMPEDANCE AMPLIFIERS
OPA690 supply current drops to less than 100mA
ACTIVE FILTERS
while the output goes to a high-impedance state. This
feature may be used for power savings.
OPA690 RELATED PRODUCTS
SINGLES
DUALS
TRIPLES
Voltage-Feedback
OPA2690
OPA3690
Current-Feedback
OPA691
OPA2691
OPA3691
Fixed Gain
OPA692
OPA3692
Single-Supply ADC 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
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2001–2010, 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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