OPA2673

双路，宽带，与Active脱机控制高输出电流运算放大器 Dual, Wideband, High Output Current Operational Amplifier with Active Off-Line Control

The provides the high output current and low distortion required in emerging Power Line Modem driver applications. Operating on a single +12V supply, the OPA2673 consumes a low 16mA/ch quiescent current to deliver a very high 700mA output current. This output current supports even the most demanding Power Line Modem requirements with greater than 460mA minimum output current +25°C minimum value with low harmonic distortion.

Power control features are included to allow system power consumption to be minimized. Two logic control lines allow four quiescent power settings: full power, 75% bias power in applications that are less demanding, 50% bias power cutback for short loops, and offline with active offline control to present a high impedance even with large signals present at the output pin.

Specified on ±6V supplies to support +12V operation, the OPA2673 also supports up to +13V single or ±6.5V dual supplies. Video applications benefit from a very high output current to drive up to 10 parallel video loads 15 with < 0.1%/0.1° dG/d nonlinearity.

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WIDEBAND +12V OPERA ON:

340MHz G = +4V/V

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UNITY-GAIN STABLE: 600MHz G = +1

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HIGH OUTPUT CURRENT: 700mA

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OUTPUT VOLTAGE SWING: 9.8VPP

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HIGH SLEW RATE: 3000V/µs

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LOW SUPPLY CURRENT: 16mA/ch

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OVERTEMPERATURE PROTECTION CIRCUIT

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FLEXIBLE POWER CONTROL

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OUTPUT CURRENT LIMIT ±800mA

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ACTIVE OFF-LINE FOR TDMA

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APPLICATIONS

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POWER LINE MODEMS

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MATCHED I/Q CHANNEL AMPLIFIERS

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BROADBAND VIDEO LINE DRIVERS

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ARB LINE DRIVERS

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HIGH CAP LOAD DRIVERS

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