LTC1047CN8#PBF

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. It has a typical offset voltage of 3µV, input noise voltage typically 3.5µVP-P, and typical voltage gain of 150dB. The common mode rejection is 110dB minimum, with minimum power supply rejection of 105dB. It also offers a 0.2V/µs 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. It is used in applications such as thermocouple amplifiers, electronic scales, battery powered instrumentation, strain gauge amplifiers, remote located sensors.

• Average input offset voltage drift is ±0.01µV/°C typical at ( TA = 25°C, VS = ±5V)
• Long term offset drift is 100nV√mo typical at (TA = 25°C, VS = ±5V)
• Input bias current is ±5pA typical at (TA = 25°C, VS = ±5V)
• Common mode rejection ratio is 130dB typical at (VCM = V- to 2.7V, TA = 25°C)
• Power supply rejection ratio is 122dB typical at (VS = ±2.375V to ±8V)
• Slew rate is 0.2V/µs typical at (RL = 100K, CL = 50pF), typical overload recovery time is 70ms
• Gain bandwidth product is 200KHz typical at (TA = 25°C, VS = ±5V)
• Common mode range includes GND, output swings to GND
• Single supply operation range from 4.75V to 16V
• Operating temperature is 0°C to 70°C, package style is 8-lead plastic DIP

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