High Speed, High Voltage, 1A Output Drive Amplifier Preliminary Technical Data Ideal for driving high capacitive or heavy resistive loads Wide supply range: 10 V to 40 V High output current drive: 1A Wide output voltage swing: 37 V swing with 40 V supply Large signal -3 dB BW: 45 MHz (VOUT = 20 V p-p, 300 pF load) High slew rate: 2500 V/us (peak) Short-circuit current protection Thermal overload protection & flag Piezo Driver Waveform Generation GENERAL DESCRIPTION The ADA4870 is a unity gain stable, high-speed current feedback amplifier capable of delivering 1A of continuous output current from a 40V supply. Manufactured on ADI's proprietary high voltage XFCB process, the innovative architecture of the ADA4870 enables high performance signal processing solutions in a variety of demanding applications. The ADA4870 is ideal for driving the gate of high voltage Power FETs, Piezo transducers, PIN diodes, CCD imagers and a variety of other demanding applications that require wide dynamic range from high supply voltage and high current CONNECTION DIAGRAM The ADA4870 is available in a Power SOIC package (PSOP_3), featuring an exposed thermal slug that provides high thermal conductivity to the PCB then heat sink enabling efficient heat transfer for improved reliability in demanding environments . The ADA4870 operates over the industrial temperature range (-40°C to +85°C) at maximum performance when appropriate thermal management techniques are applied. 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 that may result from its use. Spedfications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. Tel: 781.329.4700 ©2014 Analog Devices, Inc. All rights reserved.

©2014 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners.