Quad, Zero Drift, Single-Supply, Rail-to-Rail Operational Amplifier
This family of Amplifiers has ultralow offset, drift, and bias current. The AD8628 AD8629 AD8630 are wide bandwidth auto-zero Amplifiers featuring Rail-to-Rail input and output swings and low noise. Operation is fully specified from 2.7 V to 5 V single supply (1.35 V to 2.5 V dual supply).
The AD8628 AD8629 AD8630 provide benefits previously found only in expensive auto-zeroing or chopper-stabilized Amplifiers Using Analog Devices new topology, these zero-drift Amplifiers combine low cost with high accuracy and low noise. (No external capacitor is required.) In addition, the AD8628 AD8629 AD8630 greatly reduce the digital switching noise found in most chopper-stabilized Amplifiers
With an offset voltage of only 1 V, drift of less than 0.005 V/C, and noise of only 0.5 V p-p (0 Hz to 10 Hz), the AD8628 AD8629 AD8630 are perfectly suited for applications where error sources cannot be tolerated. Position and Pressure Sensors medical equipment, and strain gage Amplifiers benefit greatly from nearly zero drift over their operating temperature range. Many systems CAN take advantage of the Rail-to-Rail input and output swings provided by the AD8628 AD8629 AD8630 to reduce input biasing complexity and maximize SNR.
The AD8628 AD8629 AD8630 are specified for the extended industrial temperature range (40C to +125C). The AD8628 is available in tiny TSOT-23, SOT-23, and the 8-lead narrow SOIC plastic packages. The AD8629 is available in the standard 8-lead narrow SOIC and MSOP plastic packages. The AD8630 is available in the standard 14-lead SOIC and TSSOP packages.
By Analog Devices, Inc.
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