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FEATURES

WIDEBAND +12V OPERATION: 220MHz (G = +4)

UNITY-GAIN STABLE: 250MHz (G = +1)

HIGH OUTPUT CURRENT: 500mA

OUTPUT VOLTAGE SWING: 10VPP

HIGH SLEW RATE: 2000V/μs

LOW SUPPLY CURRENT: 18mA

FLEXIBLE POWER CONTROL: SO-14 Only

OUTPUT CURRENT LIMIT (±800mA)

APPLICATIONS

POWER LINE MODEM

xDSL LINE DRIVERS

CABLE MODEM DRIVERS

MATCHED I/Q CHANNEL AMPLIFIERS

BROADBAND VIDEO LINE DRIVERS

ARB LINE DRIVERS

HIGH CAP LOAD DRIVER

DESCRIPTION

The OPA2674 provides the high output current and low

distortion required in emerging xDSL and Power Line Modem

driver applications. Operating on a single +12V supply,

the OPA2674 consumes a low 9mA/ch quiescent current

to deliver a very high 500mA output current. This

output current supports even the most demanding ADSL

CPE requirements with > 380mA minimum output current

(+25°C minimum value) with low harmonic distortion. Differential

driver applications deliver < ?85dBc distortion at

the peak upstream power levels of full rate ADSL. The high

200MHz bandwidth also supports the most demanding

VDSL line driver requirements.

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.

Specified on ±6V supplies (to support +12V operation), the

OPA2674 will also support a single +5V or dual ±5V supply.

Video applications will benefit from a very high output

current to drive up to 10 parallel video loads (15Ω) with <

0.1%/0.1°dG/dP nonlinearity.