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The AD8638/AD8639 are single/dual wide bandwidth, autozero amplifiers with rail-to-rail output swing and low noise. These amplifiers feature extremely low offset, drift, and bias currents. It operates from a single 5 V~16 V supply (or dual ± 2.5 V~±8 V supply).
The AD8638/AD8639 offer the advantages of expensive zero-drift amplifiers or chopper-stabilized amplifiers. These zero-free amplifiers utilize Analog Devices' topology to achieve the perfect combination of low cost, high accuracy, and low noise without the need for additional external capacitors. In addition, the AD8638/AD8639 greatly reduce the digital switching noise commonly found in most chopper-stabilized amplifiers.
With a typical offset voltage of only 3 μV, drift of less than 0.04 μV/°C, and noise of only 1.2 μV p-p (0.1 Hz~10 Hz), the AD8638/AD8639 are ideal for precision applications. The zero-drift feature over the operating temperature range allows them to meet the requirements of position and pressure sensors, medical equipment, and strain gage amplifiers. Many systems can take advantage of the rail-to-rail output swing provided by the AD8638/AD8639 to achieve maximum signal-to-noise ratio (SNR).
The AD8638/AD8639 achieve specified performance over the extended industrial temperature range (-40°C~+125°C). The single AD8638 is available in tiny 5-lead SOT-23 and 8-lead SOICs. The dual AD8639 is available in an 8-lead MSOP package and an 8-lead SOIC package.
The AD8638/AD8639 are Analog Devices, Inc. family of auto-zero op amps (see Table 1 in the data sheet).
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Pressure sensors and position sensors
Strain gage amplifiers
Thermocouple amplifiers
Precision reference source
Precision current sensing
Shenzhen Xinwei Centennial Electronics Co., Ltd
Address: Shenzhen Futian District Huaqiang Road Huaqiang Plaza A Block 13H
Tel: 0755-83591082
Fax: 0755-83591083
Q Q:1051085817
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