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ADA4311-1 Datasheet(PDF) 1 Page - Analog Devices |
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ADA4311-1 Datasheet(HTML) 1 Page - Analog Devices |
1 / 17 page Low Cost, Dual, High Current Output Line Driver with Shutdown ADA4311-1 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2007 Analog Devices, Inc. All rights reserved. FEATURES 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 APPLICATIONS Home networking line drivers Twisted pair line drivers Power line communications (PLC) Video line drivers ARB line drivers I/Q channel amplifiers PIN CONFIGURATION NC = NO CONNECT +VS 1 NC 2 OUT A 3 –IN A 4 +IN A 5 OUT B 10 –IN B 9 +IN B 8 PD1 7 PD0 6 ADA4311-1 Figure 1. Thermally Enhanced, 10-Lead MINI_SO_EP TYPICAL APPLICATION VMID* ADA4311-1 ADA4311-1 1/2 1/2 *VMID = VCC – GND 2 Figure 2. Typical PLC Driver Application GENERAL DESCRIPTION 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. |
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