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OPA3680 Datasheet(PDF) 1 Page - Texas Instruments

Part # OPA3680
Description  Dual 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

OPA3680 Datasheet(HTML) 1 Page - Texas Instruments

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nternational 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/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
®
OPA2680
©1997 Burr-Brown Corporation
PDS-1433C
Printed in U.S.A. October, 1999
Dual Wideband, Voltage Feedback
OPERATIONAL AMPLIFIER With Disable
TM
FEATURES
q WIDEBAND +5V OPERATION: 220MHz (G = 2)
q HIGH OUTPUT CURRENT: 150mA
q OUTPUT VOLTAGE SWING:
±4.0V
q HIGH SLEW RATE: 1800V/
µs
q LOW SUPPLY CURRENT: 6.4mA/Ch.
q LOW DISABLED CURRENT: 300
µA/Ch.
q ENABLE/DISABLE TIME: 25ns/100ns
APPLICATIONS
q VIDEO LINE DRIVING
q xDSL LINE DRIVER/RECEIVER
q HIGH SPEED IMAGING CHANNELS
q ADC BUFFERS
q PORTABLE INSTRUMENTS
q TRANSIMPEDANCE AMPLIFIERS
q ACTIVE FILTERS
Single-Supply, DC-Coupled, Single-to-Differential ADC Driver
DESCRIPTION
The OPA2680 represents a major step forward in unity
gain stable, voltage feedback op amps. A new internal
architecture provides slew rate and full power band-
width previously found only in wideband current feed-
back op amps. A new output stage architecture delivers
high currents with a minimal headroom requirement.
These combine to give exceptional single supply opera-
tion. Using a single +5V supply, the OPA2680 can
deliver a 1V to 4V output swing with over 100mA drive
current and 150MHz bandwidth. This combination of
features makes the OPA2680 an ideal RGB line driver
or single supply ADC input driver.
The OPA2680’s low 6.4mA/ch. supply current is pre-
cisely trimmed at 25
°C. This trim, along with low tem-
perature drift, guarantees lower maximum supply current
than competing products. System power may be reduced
further using the optional disable control pin (SO-14
package only). Leaving this disable pin open, or holding
it high, will operate the OPA2680N normally. If pulled
low, the OPA2680N supply current drops to less than
600
µA while the output goes into a high impedance state.
1/2
OPA2680
1/2
OPA2680
+5V
50
VIN
0V to +1V
1.5k
1.5k
50
1.6k
1.6k
3.2k
800
400
400
50
200
0.1
µF
IN
+3.5V
0.1
µF
+1.5V
+5V
10pF
10pF
Clock
IN
0.1
µF
+2.5V
+1.5V
REFT
REFB
ADS822
10-Bit
40MSPS
2.5V
CM
±1V
DIFF
OPA2680 RELATED PRODUCTS
SINGLES
DUALS
TRIPLES
Voltage Feedback
OPA680
OPA2680
OPA3680
Current Feedback
OPA681
OPA2681
OPA3681
Fixed Gain
OPA682
OPA2682
OPA3682
OPA2680
OPA2680
SBOS086


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