MAX4472ESD+

The MAX4472ESD+ is a quad, rail to rail op-amp in 14 pin NSOIC package. This micropower op-amp operates from a single +1.8V to +5.5V supply and draws only 750nA of supply current. The ultra low supply current, low operating voltage and rail to rail output capabilities make this operational amplifier ideal for use in single lithium ion (Li+) or two-cell NiCd or alkaline battery systems. The amplifier is capable of driving the output voltage to within 4mV of the rail with a 100Kohm load and can sink and source 11mA with a +5V supply. Typical applications include micropower thermostats, electrometer amplifiers, solar powered systems, remote sensor active, badges and pH meters.

• No phase reversal for overdriven inputs
• Operating temperature range from -40°C to 85°C
• High open-loop voltage gain is 120dB
• Low input offset voltage is 500μV
• Gain bandwidth product is 9KHz
• 250pF (min) capacitive load capability
• Common mode rejection ratio is 95dB and power supply rejection ratio is 90dB
• Unity gain stable

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Signal Processing, Portable Devices

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