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a FEATURES Low Cost Low Power: 1.15 mA Max for 5 V Supply High Speed 400 MHz, –3 dB Bandwidth (G = +1) 4000 V/␮s Slew Rate 60 ns Overload Recovery Fast Settling Time of 24 ns Drive Video Signals on 50 ⍀ Lines Very Low Noise 3.5 nV/√Hz and 5 pA/√Hz 5 nV/√Hz Total Input Referred Noise @ G = +3 w/500 ⍀ Feedback Resistor Operates on +4.5 V to +12 V Supplies Low Distortion –70 dB THD @ 5 MHz Low, Temperature-Stable DC Offset Available in SOIC-8 and SOT-23-5 APPLICATIONS Photo-Diode Preamp Professional and Portable Cameras Hand Sets DVD/CD Handheld Instruments A-to-D Driver Any Power-Sensitive High Speed System PRODUCT DESCRIPTION

The AD8014 is a revolutionary current feedback operational amplifier that attains new levels of combined bandwidth, power, output drive and distortion. Analog Devices, Inc. uses a proprietary circuit architecture to enable the highest performance amplifier at the lowest power. Not only is it technically superior, but is low priced, for use in consumer electronics. This general purpose amplifier is ideal for a wide variety of applications including battery operated equipment.

400 MHz Low Power High Performance Amplifier AD8014 FUNCTIONAL BLOCK DIAGRAMS SOIC-8 (R)

SOT-23-5 (RT)

NC 1 –IN

7 +VS


8 NC



+IN 3

–VS 4


5 NC






–VS 2 +IN 3


The AD8014 is a very high speed amplifier with 400 MHz, –3 dB bandwidth, 4000 V/µs slew rate, and 24 ns settling time. The AD8014 is a very stable and easy to use amplifier with fast overload recovery. The AD8014 has extremely low voltage and current noise, as well as low distortion, making it ideal for use in wide-band signal processing applications. For a current feedback amplifier, the AD8014 has extremely low offset voltage and input bias specifications as well as low drift. The input bias current into either input is less than 15 µA at +25°C with a typical drift of less than 50 nA/°C over the industrial temperature range. The offset voltage is 5 mV max with a typical drift less than 10 µV/°C. For a low power amplifier, the AD8014 has very good drive capability with the ability to drive 2 V p video signals on 75 Ω or 50 Ω series terminated lines and still maintain more than 135 MHz, 3 dB bandwidth.

REV. B Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 World Wide Web Site: http://www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 1999

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