AD2S1210SST-EP-RL7

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The AD2S1210SST-EP-RL7 is a high-performance absolute angular position resolver-to-digital converter used for obtaining digital angular position information from a resolver. It operates from a 10 Vdc supply and provides a resolution up to 12 bits in a single-chip solution. It is also capable of operating in a closed-loop digital servo system.

The AD2S1210SST-EP-RL7 belongs to the category of data acquisition - ADCs/DACs - special purpose. Its primary application is in specialized industrial control applications where motor position feedback is necessary. It is used to differentiate the absolute angle measurement of a rotating motor or gearbox, or in motion control systems where the absolute position is required.

The working principle of the AD2S1210SST-EP-RL7 is based on the sine-cosine conversion technique. The device compares the phase angle of the AC excitation signal with the phase angle of the resolver output. It then calculates the absolute angle of the resolver output using an internal sine-cosine look-up table. The result is then output as a serial digital word or as an analog voltage, depending on the application.

The AD2S1210SST-EP-RL7 offers a wide range of features that enhance its performance and accuracy. It has an integrated voltage regulator that eliminates the need for an external voltage regulator, and allows operation over a wide supply voltage range. The device also features internal amplitude correction that provides tolerance to changes in rotor position and load variations. The device also has an internal or external reference voltage that allows it to operate in a closed-loop mode, ensuring accuracy and reliability.

The AD2S1210SST-EP-RL7 also offers excellent transient performance. It provides a wide range of integration times with minimal distortion, and supports both single-pole double-throw (SPDT) and single-pole single-throw (SPST) switching. This allows the device to provide precision outputs even in noisy environments.

In conclusion, the AD2S1210SST-EP-RL7 is an ideal device for high-precision applications where accurate and reliable absolute angular position measurements are required. Its advanced features, including a wide operating range, integrated voltage regulator, internal amplitude correction and a wide range of integration times, make it an ideal choice for a variety of industrial control and motion control applications.

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