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GB15RF120K Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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GB15RF120K Datasheet(HTML) 1 Page - Fairchild Semiconductor |
1 / 14 page FAN4174/FAN4274 Rev. 2D 1 www.fairchildsemi.com ©2005 Fairchild Semiconductor Corporation April 2005 FAN4174/FAN4274 Single and Dual Ultra-Low Cost, Rail-to-Rail I/O, CMOS Amplifiers Features ■ 200 µA supply current per amplifier ■ 3.7MHz bandwidth ■ Output swing to within 10mV of either rail ■ Input voltage range exceeds the rails ■ 3V/ µs slew rate ■ 25nV/ √Hz input voltage noise ■ Replaces KM4170 and KM4270 ■ FAN4174 competes with OPA340 and TLV2461; available in lead (Pb) free SC70-5 and SOT23-5 packages ■ FAN4274 competes with OPA2340 and TLV2462; available in lead (Pb) free MSOP-8 package ■ Fully specified at +2.7V and +5V supplies Applications ■ Portable/battery-powered applications ■ PCMCIA, USB ■ Mobile communications, cellular phones, pagers ■ Notebooks and PDA’s ■ Sensor interface ■ A/D buffer ■ Active filters ■ Signal conditioning ■ Portable test instruments Description The FAN4174 (single) and FAN4274 (dual) are ultra-low cost, voltage feedback amplifiers with CMOS inputs that consume only 200 µA of supply current per amplifier while providing ±33mA of output short circuit current. These amplifiers are designed to operate from 2.5V to 5V supplies. The common mode voltage range extends beyond the negative and positive rails. The FAN4174 and FAN4274 are designed on a CMOS process and provide 3.7MHz of bandwidth and 3V/µs of slew rate at a supply voltage of 5V. The combination of low power, rail-to-rail performance, low voltage operation, and tiny package options make this amplifier family well suited for use in many general purpose and battery powered applications. . Typical Application Diagram + - FAN4174 Rf 0.01 µF 6.8 µF Out +In +Vs + 0.01 µF 6.8 µF -Vs + Rg Frequency (MHz) 1.0 10 0.1 CL = 50pF Rs = 0 CL = 500pF Rs = 165Ω CL = 2000pF Rs = 65Ω Vo = 50mV CL = 1000pF Rs = 100Ω CL = 100pF Rs = 0 + - 5k Ω 5k Ω Rs CL RL 8 7 6 5 4 3 2 1 0 -1 -2 -3 |
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Similar Description - GB15RF120K |
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