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AD8057 데이터시트(PDF) 1 Page - Analog Devices |
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AD8057 데이터시트(HTML) 1 Page - Analog Devices |
1 / 16 page 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 that may result from its use. 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. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 © 2003 Analog Devices, Inc. All rights reserved. AD8057/AD8058 Low Cost, High Performance Voltage Feedback, 325 MHz Amplifiers FEATURES Low Cost Single (AD8057) and Dual (AD8058) High Speed 325 MHz –3 dB Bandwidth (G = +1) 1000 V/ s Slew Rate Gain Flatness 0.1 dB to 28 MHz Low Noise 7 nV/ √Hz Low Power 5.4 mA/Amplifier Typical Supply Current @ 5 V Low Distortion –85 dBc @ 5 MHz, RL = 1 k Wide Supply Range from 3 V to 12 V Small Packaging AD8057 Available in SOIC-8 and SOT-23-5 AD8058 Available in SOIC-8 and MSOP APPLICATIONS Imaging DVD/CD Photodiode Preamp A-to-D Driver Professional Cameras Filters CONNECTION DIAGRAMS (TOP VIEW) GENERAL DESCRIPTION The AD8057 (single) and AD8058 (dual) are very high perfor- mance amplifiers with a very low cost. The balance between cost and performance make them ideal for many applications. The AD8057 and AD8058 will reduce the need to qualify a variety of specialty amplifiers. The AD8057 and AD8058 are voltage feedback amplifiers with the bandwidth and slew rate normally found in current feedback amplifiers. The AD8057 and AD8058 are low power amplifiers having low quiescent current and a wide supply range from 3 V to 12 V. They have noise and distortion performance required for high end video systems as well as dc performance parameters rarely found in high speed amplifiers. The AD8057 and AD8058 are available in standard SOIC packaging as well as tiny SOT-23-5 (AD8057) and MSOP (AD8058) packages. These amplifiers are available in the indus- trial temperature range of –40 °C to +85°C. FREQUENCY (MHz) 1 1000 10 100 5 4 –5 3 2 1 0 –1 –2 –3 –4 G = +2 G = +10 G = +5 G = +1 Figure 1. Small Signal Frequency Response RT-5 (SOT-23-5) +IN +VS –VS AD8057 1 2 3 5 4 –IN VOUT (Not to Scale) R-8 (SOIC) 8 7 6 5 1 2 3 4 NC –IN +IN NC +VS VOUT NC –VS AD8057 (Not to Scale) NC = NO CONNECT RM-8 (MSOP) R-8 (SOIC) OUT1 –IN1 +IN1 –VS +VS OUT2 –IN2 +IN2 1 2 3 4 8 7 6 5 (Not to Scale) AD8058 |
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