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KM4270 Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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KM4270 Datasheet(HTML) 1 Page - Fairchild Semiconductor |
1 / 2 page ![]() Pr eliminary Preliminary February 2001 KM4270 Dual, Low Cost, +2.7V and +5V, Rail-to-Rail I/O Amplifier Product Brief Features at 2.7V I 160 µA supply current per amplifier I 4.9MHz bandwidth I Output swings to within 20mV of either rail I Input voltage range exceeds the rail by >250mV I 5.3V/ µs slew rate I 35mA short circuit output current I 24nV/ √Hz input voltage noise I Directly replaces MAX4126, OPA2340, LMV822, and TLV2462 in single supply applications I Available in SOIC and MSOP package options Applications I Portable/battery-powered applications I PCMCIA, USB I Mobile communications, cellular phones, pagers I Notebooks and PDA’s I Sensor Interface I A/D buffer I Active filters I Signal conditioning I Portable test instruments General Description The KM4270 is a dual ultra-low cost, low power, voltage feedback amplifier. At 5V, the KM4270 uses only 160 µA of supply current per amplifier and is designed to operate from a supply range of 2.5V to 5.5V. The input voltage range exceeds the negative and positive rails. The KM4170 (single) and KM4470 (quad) are also available. The KM4270 offers high bipolar performance at a low CMOS price. The KM4270 offers superior dynamic performance with a 4.9MHz small signal bandwidth and 5.3V/ µs slew rate. The combination of low power, high bandwidth, and rail-to-rail performance make the KM4270 well suited for battery-powered com- munication/computing systems. © 2001 Fairchild Semiconductor Corporation www.fairchildsemi.com Patents Pending Outperforms the competition in single-supply applications at a lower cost! Advertised 5V KM4270 Competitors Units Specifications A B C D G = 1 BW 4.3 5 5.5 5.6 6.4 MHz Noise 27 22 25 24 11 nV/ √Hz Slew rate 9 2 6.0 2 1.6 V/ µs Supply current 160 850 750 250 550 µA Available Packages Ordering Information Part No. Package Container Pack Qty Eval Bd* KM4270IC8 SOIC-8 Rail 95 KEB006 KM4270IC8TR3 SOIC-8 Reel 2500 KEB006 KM4270IM8 MSOP-8 Rail 50 KEB010 KM4270IM8TR3 MSOP-8 Reel 4000 KEB010 Temperature range for all parts: -40°C to +85°C. * Evaluation boards are available to aid in the evaluation of these products. See the full data sheet or website for complete information. - + - + 1 2 3 4 Out1 -In1 +In1 -Vs +Vs Out2 -In2 +In2 8 7 6 5 SOIC - + - + 1 2 3 4 Out1 -In1 +In1 -Vs +Vs Out2 -In2 +In2 8 7 6 5 MSOP MSOP-8 (not actual size) SOIC-8 (not actual size) |
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