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AD849 데이터시트(PDF) 1 Page - Analog Devices |
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AD849 데이터시트(HTML) 1 Page - Analog Devices |
1 / 8 page 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 AD848/AD849 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 617/329-4700 Fax: 617/326-8703 High Speed, Low Power Monolithic Op Amp FEATURES 725 MHz Gain Bandwidth – AD849 175 MHz Gain Bandwidth – AD848 4.8 mA Supply Current 300 V/ s Slew Rate 80 ns Settling Time to 0.1% for a 10 V Step – AD849 Differential Gain: AD848 = 0.07%, AD849 = 0.08% Differential Phase: AD848 = 0.08 , AD849 = 0.04 Drives Capacitive Loads DC PERFORMANCE 3 nV/ √Hz Input Voltage Noise – AD849 85 V/mV Open Loop Gain into a 1 k Load – AD849 1 mV max Input Offset Voltage Performance Specified for 5 V and 15 V Operation Available in Plastic, Hermetic Cerdip and Small Outline Packages. Chips and MIL-STD-883B Parts Available. Available in Tape and Reel in Accordance with EIA-481A Standard APPLICATIONS Cable Drivers 8- and 10-Bit Data Acquisition Systems Video and RF Amplification Signal Generators PRODUCT DESCRIPTION The AD848 and AD849 are high speed, low power monolithic operational amplifiers. The AD848 is internally compensated so that it is stable for closed loop gains of 5 or greater. The AD849 is fully decompensated and is stable at gains greater than 24. The AD848 and AD849 achieve their combination of fast ac and good dc performance by utilizing Analog Devices’ junction isolated complementary bipolar (CB) process. This process enables these op amps to achieve their high speed while only requiring 4.8 mA of current from the power supplies. The AD848 and AD849 are members of Analog Devices’ family of high speed op amps. This family includes, among others, the AD847 which is unity gain stable, with a gain bandwidth of 50 MHz. For more demanding applications, the AD840, AD841 and AD842 offer even greater precision and greater output current drive. The AD848 and AD849 have good dc performance. When operating with ±5 V supplies, they offer open loop gains of 13 V/mV (AD848 with a 500 Ω load) and low input offset voltage of 1 mV maximum. Common-mode rejection is a minimum of 92 dB. Output voltage swing is ±3 V even into loads as low as 150 Ω. APPLICATIONS HIGHLIGHTS 1. The high slew rate and fast settling time of the AD848 and AD849 make them ideal for video instrumentation circuitry, low noise pre-amps and line drivers. 2. In order to meet the needs of both video and data acquisition applications, the AD848 and AD849 are optimized and tested for ±5 V and ±15 V power supply operation. 3. Both amplifiers offer full power bandwidth greater than 20 MHz (for 2 V p-p with ±5 V supplies). 4. The AD848 and AD849 remain stable when driving any capacitive load. 5. Laser wafer trimming reduces the input offset voltage to 1 mV maximum on all grades, thus eliminating the need for external offset nulling in many applications. 6. The AD848 is an enhanced replacement for the LM6164 series and can function as a pin-for-pin replacement for many high speed amplifiers such as the HA2520/2/5 and EL2020 in applications where the gain is 5 or greater. CONNECTION DIAGRAMS Plastic (N), Small Outline (R) and Cerdip (Q) Packages 1 2 3 4 8 7 6 5 TOP VIEW (Not to Scale) NC = NO CONNECT NULL NC OUTPUT +VS NULL –IN +IN –VS AD848/49 20-Terminal LCC Pinout NC = NO CONNECT NC NC NC OFFSET NULL NC NC NC NC V– 14 18 16 17 15 19 20 3 1 2 78 4 6 5 13 12 9 11 10 TOP VIEW (Not to Scale) AD848SE/883B OFFSET NULL OBSOLETE |
유사한 부품 번호 - AD849_15 |
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유사한 설명 - AD849_15 |
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