OPA2607 Burr-Brown, OPA2607 Datasheet

OPA2607

Manufacturer Part Number

OPA2607

Description

Dual / High Output / Current-Feedback OPERATIONAL AMPLIFIER

Manufacturer

Burr-Brown

Datasheet

1.OPA2607.pdf (13 pages)

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SBOS128

4.8Vp-p

For most current data sheet and other product

FEATURES

APPLICATIONS

2000 Burr-Brown Corporation

Low Turns Ratio ADSL Upstream Driver

information, visit www.burr-brown.com

WIDEBAND 12V OPERATION: 25MHz (G = +8)

UNITY GAIN STABLE: 35MHz (G = +1)

HIGH OUTPUT CURRENT: 250mA

OUTPUT VOLTAGE SWING: 10.5V (V

HIGH SLEW RATE: 600V/ s

LOW SUPPLY CURRENT: 8mA/channel

FLEXIBLE POWER CONTROL (SO-14)

xDSL LINE DRIVER

LOW-NOISE ADSL RECEIVER

LOW-COST VIDEO DA

LOW-COST UPGRADE TO LT1207/AD812

6V TO 16V SUPPLY RANGE

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 • Internet: http://www.burr-brown.com/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132

100nF

348

OPA2607

POWER PACKAGING

1.21k

1/2

+12V

–12V

OPERATIONAL AMPLIFIER

38Vp-p

78.7

Dual, High Output, Current-Feedback

1:0.8

100

= 12V)

15Vp-p

PDS-1615A

DESCRIPTION

The OPA2607 provides a high output voltage swing and low

distortion required for low turns ratio ADSL upstream driver

applications. Operating on a 12V supply, the OPA2607 con-

sumes a low 8.0mA/channel quiescent current to deliver a very

high 250mA peak output current. Guaranteed output current of

180mA supports even the most demanding ADSL CPE require-

ments with low harmonic distortion. Differential driver applica-

tions will deliver < –75dBc distortion at the peak upstream power

levels of full rate ADSL. Using a differential driver design, as

shown below, the OPA2607 can deliver a high 38Vp-p voltage

swing into a 1:0.8 step-down transformer to meet the ADSL CPE

upstream power requirements. This low turns ratio actually pro-

vides a step up to the much weaker downstream signal arriving on

the line side of this transformer, extending the DSL modem’s

reach.

Power control features are included in the SO-14 package version

to allow system power to be minimized. Two logic control lines

allow four quiescent power settings. These include full power,

power cutback for short loops, idle state for no signal transmission

but line match maintenance, and shutdown for power off with a

high impedance output. An additional I

mum supply current to be adjusted 25% from the nominal value.

Connecting this pin to +V

to 20mA, increasing the peak output current available, while

connecting this pin to –V

to 12mA where a lower peak output current is required. The

digital control lines continue to scale the total quiescent current

from these new maximum levels in the same proportional steps as

before.

The OPA2607 is available in three package styles. For power

driver applications, a thermally enhanced

with a heat slug is available in both SO-8 and SO-14 pinouts. For

lower power receiver applications, a standard SO-8 package is

available.

OPA2607 RELATED PRODUCTS

SINGLES

OPA681

—

OPA2681

OPA2677

DUALS

will decrease the full power quiescent

will increase the full power quiescent

OPA3681

TRIPLES

—

OPA2607

ADJ

Printed in U.S.A. August, 2000

OPA2607

pin allows the maxi-

Single +12V Capable

NOTES

package

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