OPA682 Burr-Brown, OPA682 Datasheet

OPA682

Manufacturer Part Number

OPA682

Description

Wideband / Fixed Gain BUFFER AMPLIFIER With Disable

Manufacturer

Burr-Brown

Datasheet

1.OPA682.pdf (20 pages)

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FEATURES

DESCRIPTION

The OPA682 provides an easy to use, broadband fixed gain

buffer amplifier. Depending on the external connections, the

internal resistor network may be used to provide either a

fixed gain of +2 video buffer or a gain of +1 or –1 voltage

buffer. Operating on a very low 6mA supply current, the

OPA682 offers a slew rate and output power normally

associated with a much higher supply current. A new output

stage architecture delivers high output current with a mini-

mal headroom and crossover distortion. This gives excep-

tional single supply operation. Using a single +5V supply,

the OPA682 can deliver a 1V to 4V output swing with over

100mA drive current and 200MHz bandwidth. This combi-

nation of features makes the OPA682 an ideal RGB line

driver or single supply ADC input driver.

1999 Burr-Brown Corporation

INTERNALLY FIXED GAIN: +2 OR 1

HIGH BANDWIDTH (G = +2): 240MHz

LOW SUPPLY CURRENT: 6mA

LOW DISABLED CURRENT: 320 A

HIGH OUTPUT CURRENT: 150mA

OUTPUT VOLTAGE SWING: 4.0V

SOT23-6 AVAILABLE

5V OR SINGLE +5V OPERATION

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

Video

BUFFER AMPLIFIER With Disable

240MHz, 4-Output Component Video D/A

–5V

8-Pin DIP, SO-8

OPA682

G = +2

Wideband, Fixed Gain

DIS

PDS-1428C

+5V

OPA682 RELATED PRODUCTS

APPLICATIONS

The OPA682’s low 6mA supply current is precisely trimmed

at 25 C. This trim, along with low drift over temperature,

guarantees lower maximum supply current than competing

products that report only a room temperature nominal supply

current. 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

OPA682 supply current drops to less than 320 A while the

output goes into a high impedance state. This feature may be

used for either power savings or for video MUX applications.

Voltage Feedback

Current Feedback

Fixed Gain

BROADBAND VIDEO LINE DRIVERS

VIDEO MULTIPLEXERS

MULTIPLE LINE VIDEO DA

PORTABLE INSTRUMENTS

ADC BUFFERS

ACTIVE FILTERS

RG-59

SINGLES

OPA680

OPA681

OPA682

Video

Out

Printed in U.S.A. September, 1999

OPA2680

OPA2681

OPA2682

DUALS

OPA682

OPA3680

OPA3681

OPA3682

TRIPLES

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