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( File format: PDF, 156931 )
Dual Micropower Zero-Drift Operational Amplifier with Internal Capacitors
Linear Technology Inc.

Description
The LTC?1047 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 3?V, drift of 10nV/C, input noise voltage typically 3.5?VP-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.
Features
No External Components Required Maximum Offset Voltage:10?V Maximum Offset Voltage Drift:50nV/C Supply Current: 80?A Minimum CMRR: 110dB Minimum PSRR 110dB Single Supply Operation 4.75V to 16V Common Mode Range Includes GND Output Swings to GND Typical Overload Recovery Time 70ms Pin Compatible with Industry Standard Dual Op Amps




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