ADA4051-2ARMZ-R7

ADA4051-2 is a CMOS, micropower, zero drift operational amplifier utilizing an innovative chopping technique. This features rail-to-rail input/output swing and extremely low offset voltage while operating from a 1.8V to 5.5V power supply. In addition, this amplifier offers high power supply rejection ratio (PSRR) and common-mode rejection ratio (CMRR) while operating with a typical supply current of 13μA per amplifier. This combination of features makes this amplifier ideal choices for battery-powered applications where high precision and low power consumption are important. Typical applications are pressure and position sensors, temperature measurements, electronic scales, medical instrumentation, battery-powered equipment, handheld test equipment.

• Rail-to-rail input/output, unity-gain stable
• Offset voltage is 15µV max (0V ≤ VCM ≤ 1.8V, VSY=1.8V, VCM=VSY/2V, TA=25°C, RL=100Kohm to GND)
• Offset voltage drift is 0.1µV/°C max (−40°C ≤ TA ≤ +125°C, VSY=1.8V, VCM=VSY/2V, TA=25°C)
• Input bias current is 50pA max (VSY=1.8V, VCM=VSY/2V, TA=25°C, RL=100Kohm to GND)
• Input offset current is 100pA max (VSY=1.8V, VCM=VSY/2V, TA=25°C, RL=100Kohm to GND)
• Input voltage range from 0 to 1.8V (-40°C ≤ TA ≤ +125°C, VSY=1.8V, VCM=VSY/2V, TA=25°C)
• Supply current per amplifier is 18µA max (VOUT=VSY/2, VSY=1.8V, VCM=VSY/2V, TA=25°C)
• 8-lead mini small outline package [MSOP]
• Temperature rating range from -40°C to +125°C

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