LTC1047 - Dual Micropower Zero-Drift Operational Amplifier With Internal Capacitors
The LTC1047 is a micropower, high performance dual zero-drift Operational Amplifier The sample-and-hold capacitors usually required by other chopper Amplifiers are integrated on-chip, minimizing the need for external components.
The LTC1047 has a typical offset voltage of 3V, drift of 10nV/C, input noise voltage typically 3.5VP-P, and typical voltage gain of 150dB. The common mode rejection is 110dB minimum, with minimum power supply rejection of 105dB. The LTC1047 also offers a 0.2V/s slew rate and a gain bandwidth product of 200kHz. Overload recovery time from saturation is 70ms, four times faster than chopper Amplifiers with external capacitors.
The LTC1047 is available in a standard plastic 8-pin PDIP as well as a 16-pin SW package. The LTC1047 is a plug-in replacement for most dual op amps with improved DC performance and substantial power savings.
By Linear Technology Corporation
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