ADA4311-1 Low Cost, Dual, High Current Output Line Driver with Shutdown

The ADA4311-1 incorporates a power management function that provides shutdown capabilities and the ability to optimize the quiescent current of the amplifiers. The CMOS-compatible, power-down control pins (PD1 and PD0) enable the ADA4311-1 to operate in four different modes: full power, medium power, low power, and complete power-down. In power-down mode, the quiescent current drops to only 1.0 mA/amplifier, while the outputs go to a high impedance state. The ADA4311-1 is available in a thermally enhanced, 10-lead MSOP with an exposed paddle for improved thermal conduction. The ADA4311-1 is rated to work in the extended industrial temperature range of −40°C to +85°C. Applications Home networking line drivers Twisted pair line drivers Power line communications (PLC) Video line drivers ARB line drivers I/Q channel amplifiers

The ADA4311-1 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 ADA4311-1 incorporates a power management function that provides shutdown capabilities and the ability to optimize the quiescent current of the amplifiers. The CMOS-compatible, power-down control pins (PD1 and PD0) enable the ADA4311-1 to operate in four different modes: full power, medium power, low power, and complete power-down. In power-down mode, the quiescent current drops to only 1.0 mA/amplifier, while the outputs go to a high impedance state.

The ADA4311-1 is available in a thermally enhanced, 10-lead MSOP with an exposed paddle for improved thermal conduction. The ADA4311-1 is rated to work in the extended industrial temperature range of −40°C to +85°C.

Features and Benefits
  • High speed
    −3 dB bandwidth: 310 MHz, G = +5, RLOAD = 50 Ω
    Slew rate: 1050 V/μs, RLOAD = 50 Ω
  • Wide output swing
    20.6 V p-p differential, RLOAD of 100 Ω from 12 V supply
  • High output current
  • Low distortion
    −98 dBc typical at 1 MHz, VOUT = 2 V p-p, G = +5, RLOAD = 100 Ω
    −72 dBc typical at 10 MHz, VOUT = 2 V p-p, G = +5, RLOAD = 100 Ω
  • Power management and shutdown
    Control inputs CMOS level compatible
    Shutdown quiescent current: 1 mA/amplifier
    Selectable quiescent current: 1 mA to 11.8 mA/amplifier
  • Amplifiers
    Broadband
    Data Sheets
    Documentnote
    ADA4311-1: Low Cost, Dual, High Current Output Line Driver with Shutdown Data Sheet (Rev. 0)PDF 454 kB
    Order Information
    Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
    ADA4311-1ARHZ Production10 ld MSOP_EDOTH 50-40 to 85C1.090.95Y
    ADA4311-1ARHZ-R7 Production10 ld MSOP_EDREEL 1000-40 to 85C00.95Y
    ADA4311-1ARHZ-RL Last Time Buy10 ld MSOP_EDREEL 3000-40 to 85C00.95Y
    ADA4311-1: Low Cost, Dual, High Current Output Line Driver with Shutdown Data Sheet (Rev. 0) ada4311-1