ICL7650S: 2MHz, Super Chopper-Stabilized Operational Amplifier
The ICL7650S Super Chopper-Stabilized Amplifier offers exceptionally low input offset voltage and is extremely stable with respect to time and temperature. It is a direct replacement for the industry-standard ICL7650 offering improved input offset voltage, lower input offset voltage temperature coefficient, reduced input bias current, and wider common mode voltage range. All improvements are highlighted in bold italics in the Electrical Characteristics section. Critical parameters are guaranteed over the entire commercial temperature range.
Intersil’s unique CMOS chopper-stabilized amplifier circuitry is user-transparent, virtually eliminating the traditional chopper amplifier problems of intermodulation effects, chopping spikes, and over-range lockup.
The chopper amplifier achieves its low offset by comparing the inverting and non-inverting input voltages in a nulling amplifier, nulled by alternate clock phases. Two external capacitors are required to store the correcting potentials on the two amplifier nulling inputs; these are the only external components necessary.
The clock oscillator and all the other control circuitry is entirely self-contained. However the 14 lead version includes a provision for the use of an external clock, if required for a particular application. In addition, the ICL7650S is internally compensated for unity-gain operation.
Features
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Conduit Fittings & Accessories Rigid Box Mounting Bracket
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Walsin
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Multilayer Ceramic Capacitors MLCC - SMD/SMT 1206 MLCC Y5V 0.01 uF +/ -20% 50 V T&R GP
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Wire Labels & Markers Pre-Printed Self-LAM Marker Cards
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Wire Labels & Markers Mrkr Tie, Metal barb 8.0L STD W/R BLK
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Essentra Components
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Conduit Fittings & Accessories
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Walsin
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Multilayer Ceramic Capacitors MLCC - SMD/SMT 0805 MLCC NPO 180 pF +/- 10% 200 V T&R MT
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Kyocera AVX
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Multilayer Ceramic Capacitors MLCC - SMD/SMT 630V .068uF X7R 1825 10% Tol HV
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