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OP

A26

62

OPA2662

OP

A26

62

Dual, Wide Bandwidth

OPERATIONAL TRANSCONDUCTANCE AMPLIFIER

FEATURES

q

370MHz BANDWIDTH

q

58mA/ns SLEW RATE

q

HIGH OUTPUT CURRENT:

鹵

75mA

q

400Mbit/s DATA RATE

q

VOLTAGE-CONTROLLED CURRENT

SOURCE

q

ENABLE/DISABLE FUNCTION

DESCRIPTION

The OPA2662 is a versatile driver device for ultra

wide-bandwidth systems, including high-resolution

video, RF and IF circuitry, communications and test

equipment. The OPA2662 includes two power volt-

age-controlled current sources, or operational

transconductance amplifiers (OTAs), in a 16-pin DIP

or SOL-16 package and is specified for the extended

industrial temperature range (鈥?0擄C to +85擄C). The

output current is zero-for-zero differential input volt-

age. The OTAs provide a 250MHz large-signal band-

width, a 58mA/ns slew rate, and each current source

delivers up to

鹵75mA

output current.

The transconductance of both OTAs can be adjusted

between pin 5 and 鈥揤

CC

by an external resistor,

allowing bandwidth, quiescent current, harmonic dis-

tortion and gain trade-offs to be optimized. The out-

put current can be set with a degeneration resistor

between the emitter and GND. The current mirror

ratio between the collector and emitter currents is

fixed to three. Switching stages compatible to logic

TTL levels make it possible to turn each OTA sepa-

rately on within 30ns and off within 200ns at full

power.

I (mA)

80

70

I

C

60

50

40

30

20

I

E

APPLICATIONS

q

HEAD DRIVE AMPLIFIER FOR ANALOG/

DIGITAL VIDEO TAPES AND DATA RE-

CORDERS

q

LED AND LASER DIODE DRIVER

q

HIGH CURRENT VIDEO BUFFER OR LINE

DRIVER

q

RF OUTPUT STAGE DRIVER

q

HIGH DENSITY DISK DRIVES

+V

CCOUT

(16)

B

+1

(2,7)

EN

(3, 6)

E

(10,15)

C

(11,14)

鈥?

鈥?.8 鈥?.6 鈥?.4

0.2

鈥?0

鈥?0

鈥?0

鈥?0

鈥?0

0.4

0.6

0.8

1 V

IN

(V)

(9)

鈥揤

CCOUT

1/2 OPA2662

鈥?0

鈥?0

鈥?0

OTA Transfer

Characteristics

International Airport Industrial Park 鈥?Mailing Address: PO Box 11400, Tucson, AZ 85734 鈥?Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 鈥?Tel: (520) 746-1111 鈥?Twx: 910-952-1111

Internet: http://www.burr-brown.com/ 鈥?FAXLine: (800) 548-6133 (US/Canada Only) 鈥?Cable: BBRCORP 鈥?Telex: 066-6491 鈥?FAX: (520) 889-1510 鈥?Immediate Product Info: (800) 548-6132

漏

1991 Burr-Brown Corporation

PDS-1129D

Printed in U.S.A. August, 1994

SBOS011

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