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部品型式

AD8055AR

製品説明
仕様・特性

Low Cost, 300 MHz Voltage Feedback Amplifiers AD8055/AD8056 FEATURES Imaging Photodiode preamps Video line drivers Differential line drivers Professional cameras Video switchers Special effects A-to-D drivers Active filters GENERAL DESCRIPTION The AD8055 (single) and AD8056 (dual) voltage feedback amplifiers offer bandwidth and slew rate typically found in current feedback amplifiers. Additionally, these amplifiers are easy to use and available at a very low cost. Despite their low cost, the AD8055 and AD8056 provide excellent overall performance. For video applications, their differential gain and phase error are 0.01% and 0.02° into a 150 Ω load and 0.02% and 0.1° while driving four video loads (37.50 Ω). 8 NC –IN 2 7 +VS +IN 3 6 VOUT –VS 4 5 NC AD8055 NC = NO CONNECT VOUT 1 –VS 2 +IN 3 5 +VS 4 –IN AD8055 Figure 1. N-8 and R-8 01063-002 1 01063-001 NC Figure 2. RJ-5 1 8 +VS –IN1 2 7 OUT +IN1 3 6 –IN2 –VS 4 5 +IN2 AD8056 01063-003 OUT1 Figure 3. N-8, R-8, and RM-8 Their 0.1 dB flatness out to 40 MHz, wide bandwidth out to 300 MHz, along with 1400 V/μs slew rate and 20 ns settling time, make them useful for a variety of high speed applications. The AD8055 and AD8056 require only 5 mA typ/amplifier of supply current and operate on a dual ±5 V or a single +12 V power supply, while capable of delivering over 60 mA of load current. The AD8055 is available in a small 8-lead PDIP, an 8-lead SOIC, and a 5-lead SOT-23, while the AD8056 is available in an 8-lead MSOP. These features make the AD8055/AD8056 ideal for portable and battery-powered applications where size and power are critical. These amplifiers in the R-8, N-8, and RM-8 packages are available in the extended temperature range of −40°C to +125°C. 5 4 RC VIN 3 2 VOUT VOUT = 100mV p-p RL = 100Ω 50Ω RG RF RL G = +1 RF = 0Ω RC = 100Ω 1 G = +2 RF = 402Ω 0 –1 –2 G = +10 RF = 909Ω –3 G = +5 RF = 1000Ω –4 –5 0.3M 1M 10M 100M FREQUENCY (Hz) 1G 01063-004 APPLICATIONS CONNECTION DIAGRAMS GAIN (dB) Low cost single (AD8055) and dual (AD8056) Easy-to-use voltage feedback architecture High speed 300 MHz, −3 dB bandwidth (G = +1) 1400 V/μs slew rate 20 ns settling to 0.1% Low distortion: −72 dBc @ 10 MHz Low noise: 6 nV/√Hz Low dc errors: 5 mV max VOS, 1.2 μA max IB Small packaging AD8055 available in 5-lead SOT-23 AD8056 available in 8-lead MSOP Excellent video specifications (RL = 150 Ω, G = +2) Gain flatness 0.1 dB to 40 MHz 0.01% differential gain error 0.02° differential phase error Drives 4 video loads (37.5 V) with 0.02% differential Gain and 0.1° differential phase Low power, ±5 V supplies 5 mA typ/amplifier power supply current High output drive current: over 60 mA Figure 4. Frequency Response Rev. J 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. Specifications 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. 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 ©2006 Analog Devices, Inc. All rights reserved.

ブランド

AD

会社名

Analog Devices

本社国名

U.S.A

事業概要

半導体デバイスを製造するアメリカの多国籍企業。特にADC、DAC、MEMS、DSPなどに強い。現在は 65nm から 3μm のプロセスルールの回路を設計している。

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