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OP249FZ Scheda tecnica(PDF) 1 Page - Analog Devices |
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OP249FZ Scheda tecnica(HTML) 1 Page - Analog Devices |
1 / 17 page REV. C 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 OP249 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., 1998 Dual, Precision JFET High Speed Operational Amplifier PIN CONNECTIONS FEATURES Fast Slew Rate: 22 V/ s typ Settling Time (0.01%): 1.2 s max Offset Voltage: 300 V max High Open-Loop Gain: 1000 V/mV min Low Total Harmonic Distortion: 0.002% typ Improved Replacement for AD712, LT1057, OP215, TL072 and MC34082 Available in Die Form APPLICATIONS Output Amplifier for Fast D/As Signal Processing Instrumentation Amplifiers Fast Sample/Holds Active Filters Low Distortion Audio Amplifiers Input Buffer for A/D Converters Servo Controllers GENERAL DESCRIPTION The OP249 is a high speed, precision dual JFET op amp, simi- lar to the popular single op amp, the OP42. The OP249 outper- forms available dual amplifiers by providing superior speed with excellent dc performance. Ultrahigh open-loop gain (1 kV/mV minimum), low offset voltage and superb gain linearity, makes the OP249 the industry’s first true precision, dual high speed amplifier. With a slew rate of 22 V/ µs typical, and a fast settling time of less than 1.2 µs maximum to 0.01%, the OP249 is an ideal choice for high speed bipolar D/A and A/D converter applica- tions. The excellent dc performance of the OP249 allows the full accuracy of high resolution CMOS D/As to be realized. Symmetrical slew rate, even when driving large load, such as 600 Ω or 200 pF of capacitance, and ultralow distortion, make the OP249 ideal for professional audio applications, active fil- ters, high speed integrators, servo systems and buffer amplifiers. The OP249 provides significant performance upgrades to the TL072, AD712, OP215, MC34082 and the LT1057. 8-Lead Cerdip (Z Suffix), 8-Lead Plastic Mini-DIP (P Suffix) 1 2 3 4 8 7 6 5 A B ++ – +IN A V– +IN B –IN B –IN A OUT A V+ OUT B – TO-99 (J Suffix) OUTA 1 –IN A 2 +IN A 3 4 V– 5 +IN B 6 –IN B 7 OUT B V+ 8 B + – A + – 8-Lead SO (S Suffix) 1 2 3 4 8 7 6 5 A B + – + – +IN A V– +IN B –IN B –IN A OUT A V+ OUT B 10 0% 100 90 500ns 10mV 870ns Figure 1. Fast Settling (0.01%) 0.010 0.001 20 10k 100 1k 20k TA = +25 C VS = 15V VO = 10V p-p RL = 10k AV = +1 Figure 2. Low Distortion AV = +1, RL = 10 k Ω 20-Terminal LCC (RC Suffix) 1 2 3 4 8 7 6 5 NC OUT B NC –IN A +IN A NC NC NC NC 19 20 18 17 16 15 14 13 12 11 10 9 –IN B NC = NO CONNECT 10 0% 100 90 1µs 5V Figure 3. Excellent Output Drive, RL = 600 Ω |
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