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LMC6001AIH Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LMC6001AIH Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 14 page  LMC6001 Ultra Ultra-Low Input Current Amplifier General Description Featuring 100% tested input currents of 25 fA max., low op- erating power, and ESD protection of 2000V, the LMC6001 achieves a new industry benchmark for low input current op- erational amplifiers. By tightly controlling the molding com- pound, National is able to offer this ultra-low input current in a lower cost molded package. To avoid long turn-on settling times common in other low in- put current opamps, the LMC6001A is tested 3 times in the first minute of operation. Even units that meet the 25 fA limit are rejected if they drift. Because of the ultra-low input current noise of 0.13 fA/ √Hz, the LMC6001 can provide almost noiseless amplification of high resistance signal sources. Adding only 1 dB at 100 k Ω, 0.1 dB at 1 M Ω and 0.01 dB or less from 10 MΩ to 2,000 MΩ, the LMC6001 is an almost noiseless amplifier. The LMC6001 is ideally suited for electrometer applications requiring ultra-low input leakage such as sensitive photode- tection transimpedance amplifiers and sensor amplifiers. Since input referred noise is only 22 nV/ √Hz, the LMC6001 can achieve higher signal to noise ratio than JFET input type electrometer amplifiers. Other applications of the LMC6001 include long interval integrators, ultra-high input impedance instrumentation amplifiers, and sensitive electrical-field mea- surement circuits. Features (Max limit, 25˚C unless otherwise noted) n Input current (100% tested): 25 fA n Input current over temp.: 2 pA n Low power: 750 µA n Low VOS: 350 µV n Low noise: 22 nV/ √Hz @1 kHz Typ. Applications n Electrometer amplifier n Photodiode preamplifier n Ion detector n A.T.E. leakage testing Connection Diagrams 8-Pin DIP DS011887-1 Top View 8-Pin Metal Can DS011887-2 Top View March 1995 © 1999 National Semiconductor Corporation DS011887 www.national.com |
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