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AD8023ACHIPS Scheda tecnica(PDF) 1 Page - Analog Devices |
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AD8023ACHIPS Scheda tecnica(HTML) 1 Page - Analog Devices |
1 / 11 page REV. A 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. High Current Output, Triple Video Amplifier FEATURES Drives 13 V Output Drives Unlimited Capacitive Load High Current Output Drive: 70 mA Excellent Video Specifications (RL = 150 ) Gain Flatness 0.1 dB to 10 MHz 0.06% Differential Gain Error 0.02 Differential Phase Error Power Operates on 2.5 V to 7.5 V Supply 10.0 mA/Amplifier Max Power Supply Current High Speed 250 MHz Unity Gain Bandwidth (3 dB) 1200 V/ s Slew Rate Fast Settling Time of 35 ns (0.1%) High Speed Disable Function Turn-Off Time 30 ns Easy to Use 200 mA Short Circuit Current Output Swing to 1 V of Rails APPLICATIONS LCD Displays Video Line Driver Broadcast and Professional Video Computer Video Plug-In Boards Consumer Video RGB Amplifier in Component Systems AD8023 PRODUCT DESCRIPTION The AD8023 is a high current output drive, high voltage output drive, triple video amplifier. Each amplifier has 70 mA of output current and is optimized for driving large capacitive loads. The amplifiers are current feedback amplifiers and feature gain flatness of 0.1 dB to 10 MHz while offering differential gain and phase error of 0.06% and 0.02 °. The AD8023 uses maximum supply current of 10.0 mA per amplifier and runs on ±2.5 V to ±7.5 V power supply. The outputs of each amplifier swing to within one volt of either supply rail to easily accommodate video signals. The AD8023 is unique among current feedback op amps by virtue of its large capacitive load drive with a small series resistor, while still achieving rapid settling time. For instance, it can settle to 0.1% in 35 ns while driving 300 pF capacitance. The bandwidth of 250 MHz along with a 1200 V/ µs slew rate make the AD8023 useful in high speed applications requiring a single +5 V or dual power supplies up to ±7.5 V. Further- more, the AD8023 contains a high speed disable function for each amplifier in order to power down the amplifier or high impedance the output. This can then be used in video multi- plexing applications. The AD8023 is available in the indus- trial temperature range of –40 °C to +85°C. PIN CONFIGURATION 14-Lead SOIC 14 13 12 11 10 9 8 1 2 3 4 7 6 5 DISABLE 1 –VS +IN 2 –IN 2 OUT 2 DISABLE 2 DISABLE 3 +VS AD8023 OUT 3 –IN 3 +IN 3 +IN 1 –IN 1 OUT 1 V IN Figure 1. Pulse Response Driving a Large Load Capacitor, CL = 300 pF, G = +3, RF = 750 Ω, RS = 16.9 Ω, RL = 10 kΩ Figure 2. Output Swing Voltage, RL = 150 Ω; VS = ±7.5 V, G = +10 V IN V O V O 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., 2000 |
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