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AD8005ART-REEL7 데이터시트(PDF) 1 Page - Analog Devices |
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AD8005ART-REEL7 데이터시트(HTML) 1 Page - Analog Devices |
1 / 12 page REV. A 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. a AD8005 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 FEATURES Ultralow Power 400 A Power Supply Current (4 mW on 5 VS) Specified for Single Supply Operation High Speed 270 MHz, –3 dB Bandwidth (G = +1) 170 MHz, –3 dB Bandwidth (G = +2) 280 V/ s Slew Rate (G = +2) 28 ns Settling Time to 0.1%, 2 V Step (G = +2) Low Distortion/Noise –63 dBc @ 1 MHz, VO = 2 V p-p –50 dBc @ 10 MHz, VO = 2 V p-p 4.0 nV/ √Hz Input Voltage Noise @ 10 MHz Good Video Specifications (RL = 1 k , G = +2) Gain Flatness 0.1 dB to 30 MHz 0.11% Differential Gain Error 0.4 Differential Phase Error APPLICATIONS Signal Conditioning A/D Buffer Power-Sensitive, High-Speed Systems Battery Powered Equipment Loop/Remote Power Systems Communication or Video Test Systems Portable Medical Instruments FUNCTIONAL BLOCK DIAGRAM 8-Lead Plastic DIP and SOIC 1 2 3 4 8 7 6 5 AD8005 NC –IN +IN –VS NC +VS OUT NC NC = NO CONNECT 5-Lead SOT-23 4 5 1 2 3 AD8005 –VS +VS –IN OUT +IN PRODUCT DESCRIPTION The AD8005 is an ultralow power, high-speed amplifier with a wide signal bandwidth of 170 MHz and slew rate of 280 V/ µs. This performance is achieved while consuming only 400 µA of quiescent supply current. These features increase the operating time of high-speed battery-powered systems without reducing dynamic performance. FREQUENCY – MHz 0.1 500 10 100 0 3 2 1 –1 –2 –3 –4 –5 –6 VS = ±5V 1 VS = +5V G = +2 VOUT = 200mV p-p RL = 1k Figure 1. Frequency Response; G = +2, VS = +5 V or ±5V 270 MHz, 400 A Current Feedback Amplifier The current feedback design results in gain flatness of 0.1 dB to 30 MHz while offering differential gain and phase errors of 0.11% and 0.4 °. Harmonic distortion is low over a wide bandwidth with THDs of –63 dBc at 1 MHz and –50 dBc at 10 MHz. Ideal features for a signal conditioning amplifier or buffer to a high-speed A-to-D converter in portable video, medical or communication systems. The AD8005 is characterized for +5 V and ±5 V supplies and will operate over the industrial temperature range of –40 °C to +85 °C. The amplifier is supplied in 8-lead plastic DIP, 8-lead SOIC and 5-lead SOT-23 packages. FREQUENCY – MHz 20 10 –40 –60 –80 –100 –50 –70 –90 3RD 1 2ND G = +2 VOUT = 2V p-p RL = 1k 3RD 2ND Figure 2. Distortion vs. Frequency; VS = ±5V |
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