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OPA3691 Datasheet(PDF) 1 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation. Click here to check the latest version.
Part No. OPA3691
Description  Triple Wideband, Current-Feedback OPERATIONAL AMPLIFIER With Disable
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Maker  BURR-BROWN [Burr-Brown (TI)]
Homepage  http://www.burr-brown.com
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OPA3691 Datasheet(HTML) 1 Page - Burr-Brown (TI)

 
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Triple Wideband, Current-Feedback
OPERATIONAL AMPLIFIER With Disable
FEATURES
q FLEXIBLE SUPPLY RANGE:
+5V to +12V Single-Supply
±2.5V to ±6V Dual Supply
q UNITY-GAIN STABLE: 280MHz (G = 1)
q HIGH OUTPUT CURRENT: 190mA
q OUTPUT VOLTAGE SWING:
±4.0V
q HIGH SLEW RATE: 2100V/
µs
q LOW SUPPLY CURRENT: 5.1mA/ch
q LOW DISABLED CURRENT: 150
µA/ch
q IMPROVED HIGH-FREQUENCY PINOUT
q WIDEBAND +5V OPERATION: 190MHz (G = +2)
APPLICATIONS
q RGB AMPLIFIERS
q WIDEBAND INA
q BROADBAND VIDEO BUFFERS
q HIGH-SPEED IMAGING CHANNELS
q PORTABLE INSTRUMENTS
q ADC BUFFERS
q ACTIVE FILTERS
q CABLE DRIVERS
DESCRIPTION
The OPA3691 sets a new level of performance for broad-
band, triple current-feedback op amps. Operating on a very
low 5.1mA/ch supply current, the OPA3691 offers a slew
rate and output power normally associated with a much
higher supply current. A new output stage architecture
delivers a high output current with minimal voltage head-
room and crossover distortion. This gives exceptional single-
supply operation. Using a single +5V supply, the OPA3691
can deliver a 1V to 4V output swing with over 120mA drive
current and 150MHz bandwidth. This combination of fea-
tures makes the OPA3691 an ideal RGB line driver or
single-supply Analog-to-Digital Converter (ADC) input driver.
The OPA3691’s low 5.1mA/ch supply current is precisely
trimmed at 25
°C. This trim, along with low drift over tem-
perature, ensures lower maximum supply current than com-
peting products. System power may 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 OPA3691 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.
OPA3691
SBOS227A – DECEMBER 2001 – REVISED OCTOBER 2002
www.ti.com
Copyright © 2001, 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.
OPA3691 RELATED PRODUCTS
SINGLES
DUALS
TRIPLES
Voltage-Feedback
OPA690
OPA2690
OPA3690
Current-Feedback
OPA691
OPA2691
OPA3681
Fixed Gain
OPA692
OPA3692
66.5
High-Speed INA (120MHz)
499
499
301
301
1/3
OPA3691
1/3
OPA3691
1/3
OPA3691
V
1
10 (V
1 – V2)
V
2
+5V
–5V
+5V
–5V
+5V
–5V
250
250
OPA369
1
OPA3691
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.
25
20
15
10
5
0
Frequency (MHz)
HIGH-SPEED INA FREQUENCY RESPONSE
0.1
1
10
100
400


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