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LM7121 Datasheet(PDF) 1 Page - Texas Instruments |
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LM7121 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 29 page Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM7121 SNOS750A – AUGUST 1999 – REVISED OCTOBER 2014 LM7121 235-MHz Tiny Low Power Voltage Feedback Amplifier 1 Features 3 Description The LM7121 is a high performance operational 1 • (Typical Unless Otherwise Noted). VS = ±15 V amplifier which addresses the increasing AC • Easy to use Voltage Feedback Topology performance needs of video and imaging • Stable with Unlimited Capacitive Loads applications, and the size and power constraints of portable applications. • Tiny SOT23-5 Package — Typical Circuit Layout Takes Half the Space Of SO-8 Designs The LM7121 can operate over a wide dynamic range • Unity Gain Frequency: 175 MHz of supply voltages, from 5 V (single supply) up to ±15V (see Application and Implementation for more • Bandwidth ( −3 dB, AV = +1, RL = 100Ω): 235 MHz details). It offers an excellent speed-power product • Slew Rate: 1300V/ μs delivering 1300 V/ μs and 235 MHz Bandwidth (−3 dB, • Supply Voltages: AV = +1). Another key feature of this operational amplifier is stability while driving unlimited capacitive – SO-8: 5 V to ±15 V loads. – SOT23-5: 5 V to ±5 V Due to its tiny SOT23-5 package, the LM7121 is ideal • Characterized for: +5 V, ±5 V, ±15 V for designs where space and weight are the critical • Low Supply Current: 5.3 mA parameters. The benefits of the tiny package are evident in small portable electronic devices, such as 2 Applications cameras, and PC video cards. Tiny amplifiers are so small that they can be placed anywhere on a board • Scanners, Color Fax, Digital Copiers close to the signal source or near the input to an A/D • PC Video Cards converter. • Cable Drivers Device Information(1) • Digital Cameras PART NUMBER PACKAGE BODY SIZE (NOM) • ADC/DAC Buffers SOT-23 (5) 2.921 mm × 1.651 mm • Set-top Boxes LM7121 SOIC (8) 4.902 mm × 3.912 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. Unity Gain Frequency vs. Supply Voltage Typical Circuit for AV = +1 Operation (VS= 6 V) 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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