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LM7121IM Scheda tecnica(PDF) 1 Page - National Semiconductor (TI) |
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LM7121IM Scheda tecnica(HTML) 1 Page - National Semiconductor (TI) |
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1 / 19 page  LM7121 235 MHz Tiny Low Power Voltage Feedback Amplifier General Description The LM7121 is a high performance operational amplifier which addresses the increasing AC performance needs of video and imaging applications, and the size and power con- straints of portable applications. The LM7121 can operate over a wide dynamic range of sup- ply voltages, from 5V (single supply) up to ±15V (see the Ap- plication Information section for more details). It offers an ex- cellent speed-power product delivering 1300V/µs and 235 MHz Bandwidth (−3 dB, A V = +1). Another key feature of this operational amplifier is stability while driving unlimited ca- pacitive loads. Due to its Tiny SOT23-5 package, the LM7121 is ideal for designs where space and weight are the critical parameters. The benefits of the Tiny package are evident in small por- table electronic devices, such as cameras, and PC video cards. Tiny amplifiers are so small that they can be placed anywhere on a board close to the signal source or near the input to an A/D converter. Features (Typical unless otherwise noted) V S = ±15V n Easy to use voltage feedback topology n Stable with unlimited capacitive loads n Tiny SOT23-5 package — typical circuit layout takes half the space of SO-8 designs n Unity gain frequency: 175 MHz n Bandwidth (−3 dB, AV = +1, RL = 100Ω): 235 MHz n Slew rate: 1300V/µs n Supply Voltages SO-8: 5V to ±15V SOT23-5: 5V to ±5V n Characterized for: +5V, ±5V, ±15V n Low supply current: 5.3 mA Applications n Scanners, color fax, digital copiers n PC video cards n Cable drivers n Digital cameras n ADC/DAC buffers n Set-top boxes Connection Diagrams Ordering Information Package Ordering Information NSC Drawing Package Supplied As Number Marking 8-Pin SO-8 LM7121IM M08A LM7121IM Rails LM7121IMX M08A LM7121IM 2.5k Tape and Reel 5-Pin SOT23-5 LM7121IM5 MA05A A03A 1k Tape and Reel LM7121IM5X MA05A A03A 3k Tape and Reel 8-Pin SO-8 DS012348-2 Top View 5-Pin SOT23 DS012348-1 Top View August 1999 © 1999 National Semiconductor Corporation DS012348 www.national.com |
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