Micropower Precision CMOS Operational Amplifier
The AD8500 is a low power, precision CMOS op amp featuring a maximum supply current of 1 A. The AD8500 has a maximum offset voltage of 1 mV and a typical input bias current of 1 pA, and it operates Rail-to-Rail on both the input and output. The AD8500 CAN operate from a single-supply voltage of +1.8 V to +5.5 V or a dual-supply voltage of 0.9 V to 2.75 V.
With its low power consumption, low input bias current, and Rail-to-Rail input and output, the AD8500 is ideally suited for a variety of battery-powered portable applications. Potential applications include ECGs, pulse monitors, glucose meters, smoke and fire detectors, vibration monitors, and backup battery Sensors
The ability to swing Rail-to-Rail at both the input and output helps maximize dynamic range and signal-to-noise ratio in systems that operate at very low voltages. The low offset voltage allows the AD8500 to be used in systems with high gain without having excessively large output offset errors, and it provides high accuracy without the need for system calibration.
The AD8500 is fully specified over the industrial temperature range (40C to +85C) and is operational over the extended industrial temperature range (40C to +125C). It is available in a 5-lead, SC70 surface-mount package.
Applications Portable Equipment Remote Sensors Low Power Filters Threshold Detectors Current Sensing
By Analog Devices, Inc.
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