OPA2681 Burr-Brown, OPA2681 Datasheet
OPA2681
Manufacturer Part Number
OPA2681
Description
Dual Wideband / Current Feedback OPERATIONAL AMPLIFIER With Disable
Manufacturer
Burr-Brown
Datasheet
1.OPA2681.pdf
(21 pages)
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FEATURES
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.
©
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
1997 Burr-Brown Corporation
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
WIDEBAND +5V OPERATION: 225MHz (G = +2)
UNITY GAIN STABLE: 280MHz (G = 1)
HIGH OUTPUT CURRENT: 150mA
OUTPUT VOLTAGE SWING: 4.0V
HIGH SLEW RATE: 2100V/ s
LOW SUPPLY CURRENT: 6mA/ch
LOW DISABLED CURRENT: 200 A/ch
ENABLE/DISABLE TIME: 25ns/100ns
2Vp-p
OPERATIONAL AMPLIFIER With Disable
+6.5V
Single Supply ADSL Upstream Driver
2k
2k
®
100
1 F
OPA2681
OPA2681
TM
1/2
1/2
+12V
324
324
Dual Wideband, Current Feedback
12.4
12.4
PDS-1440B
1:2
APPLICATIONS
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 A while the
output goes into a high impedance state. This feature may be used
for either power savings or for video MUX applications.
OPA2681 RELATED PRODUCTS
Voltage Feedback
Current Feedback
Fixed Gain
xDSL LINE DRIVER
MATCHED I/Q CHANNEL AMPLIFIER
BROADBAND VIDEO BUFFERS
HIGH SPEED IMAGING CHANNELS
PORTABLE INSTRUMENTS
DIFFERENTIAL ADC DRIVERS
ACTIVE FILTERS
WIDEBAND INVERTING SUMMING
100
15Vp-p
SINGLES
OPA680
OPA681
OPA682
OPA2680
OPA2681
OPA2682
DUALS
Printed in U.S.A. October, 1998
OPA2681
TRIPLES
OPA3680
OPA3681
OPA3682
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