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OPA2681 Fiches technique(PDF) 1 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation.
No de pièce OPA2681
Description  Dual Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable
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Fabricant  BURR-BROWN [Burr-Brown (TI)]
Site Internet  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

OPA2681 Fiches technique(HTML) 1 Page - Burr-Brown (TI)

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Dual Wideband, Current Feedback
OPERATIONAL AMPLIFIER With Disable
DESCRIPTION
The OPA2681 sets a new level of performance for broadband dual
current feedback op amps. Operating on a very low 6mA/ch
supply current, the OPA2681 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 headroom and crossover distortion. This gives
exceptional single supply operation. Using a single +5V supply,
the OPA2681 can deliver a 1V to 4V output swing with over
100mA drive current and 150MHz bandwidth. This combination
of features makes the OPA2681 an ideal RGB line driver or single
supply ADC input driver.
OPA2681
®
FEATURES
q WIDEBAND +5V OPERATION: 225MHz (G = +2)
q UNITY GAIN STABLE: 280MHz (G = 1)
q HIGH OUTPUT CURRENT: 150mA
q OUTPUT VOLTAGE SWING:
±4.0V
q HIGH SLEW RATE: 2100V/
µs
q LOW SUPPLY CURRENT: 6mA/ch
q LOW DISABLED CURRENT: 200
µA/ch
q ENABLE/DISABLE TIME: 25ns/100ns
APPLICATIONS
q xDSL LINE DRIVER
q MATCHED I/Q CHANNEL AMPLIFIER
q BROADBAND VIDEO BUFFERS
q HIGH SPEED IMAGING CHANNELS
q PORTABLE INSTRUMENTS
q DIFFERENTIAL ADC DRIVERS
q ACTIVE FILTERS
q WIDEBAND INVERTING SUMMING
The OPA2681’s low 6mA/ch supply current is precisely trimmed
at 25
°C. This trim, along with low drift over temperature, guaran-
tees lower guaranteed maximum supply current than competing
products. System power may be further reduced by using the
optional disable control pin (SO-14 only). Leaving this disable
pin open, or holding it high, gives normal operation. If pulled low,
the OPA2681 supply current drops to less than 400
µA while the
output goes into a high impedance state. This feature may be used
for either power savings or for video MUX applications.
©1997 Burr-Brown Corporation
PDS-1440B
Printed in U.S.A. October, 1998
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111
Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
TM
Single Supply ADSL Upstream Driver
100
2k
2k
1
µF
12.4
100
2Vp-p
324
324
1/2
OPA2681
1/2
OPA2681
+12V
1:2
15Vp-p
12.4
+6.5V
OPA2681 RELATED PRODUCTS
SINGLES
DUALS
TRIPLES
Voltage Feedback
OPA680
OPA2680
OPA3680
Current Feedback
OPA681
OPA2681
OPA3681
Fixed Gain
OPA682
OPA2682
OPA3682
OPA2681
OPA2681


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