MAX44246AUA+

The MAX44246AUA+ is a low noise, ultra precision dual operational amplifier (op-amp) in 8 pin µMAX package. This low drift op-amp offers near zero DC offset and drift through the use of patented chopper stabilized and auto zeroing techniques. This method constantly measures and compensates input offset by eliminating drift over time and temperature and effect of 1/f noise. Increased accuracy and patented auto zero circuitry eliminates the cost of calibration. The MAX44246 consumes only 0.42mA per channel with only 9nV/√Hz at 1KHz input referred voltage noise. The device is used in transducer amplifiers, load cell, amplifiers, PLC, analogue I/O modules and battery powered equipments.

• Supply voltage range from ± 1.35V to ± 18V, 2.7V to 36V
• Operating temperature range from -40°C to 125°C
• Integrated EMI filter
• Input bias current of 300pA and input offset current of 600pA at TA = +25°C, VDD = 30V
• Ultra low input offset voltage of 1μV and low input offset voltage drift of 1nV/°C at VDD = 30V
• PSRR of 166dB (TA = +25°C) and CMRR of 166dB at VDD = 30V
• Suitable for high bandwidth applications
• 5MHz gain bandwidth product and 3.8V/μs slew rate at VDD = 30V
• Open loop gain of 168dB at VDD = 30V
• Fast settling time of 1μs at VDD = 10V
• Battery-Powered Equipment; Load Cell Amplifiers; PLC Analog I/O Modules; Precision Instrumentation; Transducer Amplifiers

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