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AD830JRZ-RL Datasheet(PDF) 1 Page - Analog Devices |
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AD830JRZ-RL Datasheet(HTML) 1 Page - Analog Devices |
1 / 20 page High Speed, Video Difference Amplifier AD830 Rev. C Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. 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 ©2005–2010 Analog Devices, Inc. All rights reserved. FEATURES Differential amplification Wide common-mode voltage range: +12.8 V to −12 V Differential voltage: ±2 V High CMRR: 60 dB at 4 MHz Built-in differential clipping level: ±2.3 V Fast dynamic performance 85 MHz unity gain bandwidth 35 ns settling time to 0.1% 360 V/μs slew rate Symmetrical dynamic response Excellent video specifications Differential gain error: 0.06% Differential phase error: 0.08° 15 MHz (0.1 dB) bandwidth Flexible operation High output drive of ±50 mA min Specified with both ±5 V and ±15 V supplies Low distortion: THD = −72 dB @ 4 MHz Excellent DC performance: 3 mV max input Offset voltage APPLICATIONS Differential line receiver High speed level shifter High speed in-amp Differential to single-ended conversion Resistorless summation and subtraction High speed analog-to-digital converter CONNECTION DIAGRAM AD830 1 2 3 4 8 7 6 5 C GM GM X1 X2 Y1 Y2 VP OUT NC VN NC = NO CONNECT A = 1 Figure 1. 8-Lead Plastic PDIP (N), CERDIP (Q), and SOIC (RN) Packages FREQUENCY (Hz) 110 30 10M 50 40 1k 70 60 80 90 100 1M 100k 10k VS = ±5V VS = ±15V Figure 2. Common-Mode Rejection Ratio vs. Frequency Good gain flatness and excellent differential gain of 0.06% and phase of 0.08° make the AD830 suitable for many video system applications. Furthermore, the AD830 is suited for general-purpose signal processing from dc to 10 MHz. GENERAL DESCRIPTION The AD830 is a wideband, differencing amplifier designed for use at video frequencies but also useful in many other applications. It accurately amplifies a fully differential signal at the input and produces an output voltage referred to a user-chosen level. The undesired common-mode signal is rejected, even at high frequencies. High impedance inputs ease interfacing to finite source impedances and, thus, preserve the excellent common- mode rejection. In many respects, it offers significant improvements over discrete difference amplifier approaches, in particular in high frequency common-mode rejection. The wide common-mode and differential voltage range of the AD830 make it particularly useful and flexible in level shifting applications but at lower power dissipation than discrete solutions. Low distortion is preserved over the many possible differential and common-mode voltages at the input and output. 9 –6 –21 10k 100k 1M 10M 100M 1G –3 0 3 6 –18 –15 –12 –9 FREQUENCY (Hz) VS = ±5V RL = 150Ω CL = 33pF CL = 4.7pF CL = 15pF Figure 3. Closed-Loop Gain vs. Frequency, Gain = +1 |
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