ADA4310-1ARHZ

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1. DESCRIPTION

The ADA4310-1ARHZ is comprised of two high speed, current feedback operational amplifiers. The high output current, high bandwidth, and fast slew rate make it an excellent choice for broadband applications requiring high linearity performance while driving low impedance loads. The ADA4310-1ARHZ incorporates a power management function that provides shutdown capabilities and/or the ability to optimize the amplifiers quiescent current. The CMOScompatible, power-down control pins (PD1 and PD0) enable the ADA4310-1ARHZ to operate in four different modes: full power, medium power, low power, and complete power down. In the power-down mode, quiescent current drops to only 0.65 mA/amplifier, while the amplifier output goes to a high impedance state. The ADA4310-1ARHZ is available in a thermally enhanced, 10-lead MSOP with an exposed paddle for improved thermal conduction and in a thermally enhanced, 4 mm × 4 mm 16-lead LFCSP. The ADA4310-1ARHZ is rated to work in the extended industrial temperature range of −40°C to +85°C.

2. FEATURES

    1. High speed

        - −3 dB bandwidth: 190 MHZ, G = +5

        - Slew Rate: 820 V/μs, RLOAD = 50 Ω

    2. Wide output swing

        - 20.4 V p-p differential, RLOAD of 100 Ω from 12 V supply

    3. High output current

    4. Low distortion

        - −95 dBc typical at 1 MHz, VOUT= 2 V p-p, G = +5, RLOAD = 50 Ω

        - −69 dBc typical at 10 MHz, VOUT = 2 V p-p, G = +5, RLOAD = 50 Ω

    5. Power management and shutdown

        - Control inputs CMOS level compatible

        - Shutdown quiescent current 0.65 mA/amplifier

        - Adjustable low quiescent current: 3.9 mA to 7.6 mA per amp

3. APPLICATIONS

    1. Home networking line drivers

    2. Twisted pair line drivers

    3. Power line communications

    4. Video line drivers

    5. ARB line drivers

    6. I/Q channel amplifiers