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AD828AN 데이터시트(PDF) 1 Page - Analog Devices |
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AD828AN 데이터시트(HTML) 1 Page - Analog Devices |
1 / 12 page FUNCTIONAL BLOCK DIAGRAM 1 2 3 4 8 7 6 5 AD828 V+ OUT2 –IN2 +IN2 OUT1 –IN1 +IN1 V– REV. B 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 Dual, Low Power Video Op Amp AD828 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 FEATURES Excellent Video Performance Differential Gain & Phase Error of 0.01% & 0.05 High Speed 130 MHz 3 dB Bandwidth (G = +2) 450 V/ s Slew Rate 80 ns Settling Time to 0.01% Low Power 15 mA Max Power Supply Current High Output Drive Capability: 50 mA Minimum Output Current per Amplifier Ideal for Driving Back Terminated Cables Flexible Power Supply Specified for +5 V, 5 V and 15 V Operation 3.2 V Min Output Swing into a 150 Load (VS = 5 V) Excellent DC Performance 2.0 mV Input Offset Voltage Available in 8-Lead SOIC and 8-Lead Plastic Mini-DIP PRODUCT DESCRIPTION The AD828 is a low cost, dual video op amp optimized for use in video applications which require gains of +2 or greater and high output drive capability, such as cable driving. Due to its low power and single supply functionality, along with excellent differential gain and phase errors, the AD828 is ideal for power sensitive applications such as video cameras and professional video equipment. With video specs like 0.1 dB flatness to 40 MHz and low differ- ential gain and phase errors of 0.01% and 0.05 °, along with 50 mA of output current per amplifier, the AD828 is an excel- lent choice for any video application. The 130 MHz gain bandwidth and 450 V/ µs slew rate make the AD828 useful in many high speed applications including: video monitors, CATV, color copiers, image scanners and fax machines. 1/2 AD828 0.1 F 0.1 F V –V RBT 75 75 RT 75 1k RT 75 1k VIN Figure 1. Video Line Driver The AD828 is fully specified for operation with a single +5 V power supply and with dual supplies from ±5 V to ±15 V. This power supply flexibility, coupled with a very low supply current of 15 mA and excellent ac characteristics under all power supply conditions, make the AD828 the ideal choice for many demand- ing yet power sensitive applications. The AD828 is a voltage feedback op amp which excels as a gain stage (gains >+2) or active filter in high speed and video systems and achieves a settling time of 45 ns to 0.1%, with a low input offset voltage of 2 mV max. The AD828 is available in low cost, small 8-lead plastic mini- DIP and SOIC packages. 0.04 15 0.07 0.05 0.06 510 0.03 0.01 0.02 SUPPLY VOLTAGE – Volts DIFF GAIN DIFF PHASE Figure 2. Differential Phase vs. Supply Voltage |
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