OPA680 Datasheet, PDF (1/21 Pages) Burr-Brown (TI) – Wideband, Voltage Feedback OPERATIONAL AMPLIFIER With Disable TM

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OPA680
OPA680
OPA680
OPA680
TM Wideband, Voltage Feedback
OPERATIONAL AMPLIFIER With Disable
FEATURES
q WIDEBAND +5V OPERATION: 220MHz (G = 2)
q UNITY GAIN STABLE: 400MHz (G = 1)
q HIGH OUTPUT CURRENT: 150mA
q OUTPUT VOLTAGE SWING: ±4.0V
q HIGH SLEW RATE: 1800V/µs
q LOW SUPPLY CURRENT: 6.4mA
q LOW DISABLED CURRENT: 300µA
q ENABLE/DISABLE TIME: 25ns/100ns
APPLICATIONS
q VIDEO LINE DRIVER
q xDSL LINE DRIVER/RECEIVER
q HIGH SPEED IMAGING CHANNELS
q ADC BUFFERS
q PORTABLE INSTRUMENTS
q TRANSIMPEDANCE AMPLIFIERS
q ACTIVE FILTERS
DESCRIPTION
The OPA680 represents a major step forward in unity gain
stable, voltage feedback op amps. A new internal architec-
ture provides slew rate and full power bandwidth previously
found only in wideband current feedback op amps. A new
output stage architecture delivers high currents with a mini-
mal headroom requirement. These combine to give excep-
tional single supply operation. Using a single +5V supply,
the OPA680 can deliver a 1V to 4V output swing with over
100mA drive current and 150MHz bandwidth. This combi-
nation of features makes the OPA680 an ideal RGB line
driver or single supply ADC input driver.
The OPA680’s low 6.4mA supply current is precisely
trimmed at 25°C. This trim, along with low temperature
drift, guarantees lower maximum supply current than com-
peting products. System power may be reduced further using
the optional disable control pin. Leaving this disable pin
open, or holding it high, will operate the OPA680 normally.
If pulled low, the OPA680 supply current drops to less than
300µA while the output goes to a high impedance state. This
feature may be used for either power savings or to imple-
ment video MUX applications.
OPA680 RELATED PRODUCTS
Voltage Feedback
Current Feedback
Fixed Gain
SINGLES
OPA680
OPA681
OPA682
DUALS
OPA2680
OPA2681
OPA2682
TRIPLES
OPA3680
OPA3681
OPA3682
0.1µF _400Ω
0.5Vp-p 0.1µF
50Ω
V_IN
+5V
1.2kΩ
DIS
40Ω
OPA680
2Vp-p
1.15kΩ
Clock
+5V
3kΩ
+3.5V
+V_S
REFT
Analog
Input
22pF
ADS822
10-Bit
40MSPS
+2.5V
CM
0.1µF
0.1µF
Single-Supply, High Speed, 10-Bit Digitzer
Gnd
REFB
3kΩ
+1.5V
0.1µF
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: [phone]
Twx: 910-952-1111 • Internet: http://www.burr-brown.com/ • Cable: BBRCORP • Telex: 066-6491 • FAX: [phone] • Immediate Product Info: [phone]
©_{1997 Burr-Brown Corporation}
PDS-11426E
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OPA680 Printed in U.S.A. October, 1999