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CS3012-IS Fiches technique(PDF) 1 Page - Cirrus Logic |
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CS3012-IS Fiches technique(HTML) 1 Page - Cirrus Logic |
1 / 4 page Advanced Product Information This document contains advanced information for a new product. Cirrus Logic reserves the right to modify this product without notice. 1 Copyright © Cirrus Logic, Inc. 2002 (All Rights Reserved) Cirrus Logic, Inc. http://www.cirrus.com CS3011 CS3012 Precision Low Voltage Amplifier; DC to 1 kHz Features Low Offset: 10 µVMax Low Drift: 0.05 µV/°C Max Low Noise –12nV/ √Hz @1.0 Hz – 0.1 to 10 Hz = 250 nVp-p – 1/f corner @ 0.08 Hz Open-Loop Voltage Gain – 1000 Trillion Typ – 10 Billion Min Rail-to-Rail Output Swing 750 µA Supply Current Slew rate: 2 V/ µs Applications Thermocouple/Thermopile Amplifiers Load Cell and Bridge Transducer Amplifiers Precision Instrumentation Battery-Powered Systems Description The CS3011 single amplifier and the CS3012 dual am- plifier are designed for precision amplification of low level signals and are ideally suited to applications that require very high closed loop gains. These amplifiers achieve excellent offset stability, super high open loop gain, and low noise over time and temperature. The de- vices also exhibit excellent CMRR and PSRR. The common mode input range includes the negative supply rail. The amplifiers operate with any total supply voltage from 2.7 V to 6.7 V (±1.35 V to ±3.35 V). Pin Configurations PWDN -In +In V- DNC V+ Output DNC 1 2 3 4 8 7 6 5 - + CS3011 8-lead SOIC Out A -In A +In A V- V+ Out B -In B +In B 1 2 3 4 8 7 6 5 A B - - + + CS3012 8-lead SOIC CS3011 R1 100 R2 64.9k C1 0.015 µµµµF Dexter Research Thermopile ST60 Thermopile Amplifier with a Gain of 650 V/V 1 10 100 0.001 0.010 0.1 1 10 Frequency (Hz) Noise vs. Frequency (Measured) OCT ‘02 DS597PP1 |
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