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Avago Technologies
ACPL-798J Sigma-Delta Modulator

The ACPL-798J is a 1-bit, second-order sigma-delta modulator that oversamples an analog input signal into a high-speed data stream with galvanic isolation based on optical coupling technology. The ACPL-798J operates from a 5V power supply with dynamic range of 82dB with an appropriate digital filter. The differential inputs of ±200mV (full scale ±320mV) are ideal for direct connection to shunt resistors or other low-level signal sources in applications such as motor phase current...

Avago Technologies
ACPL-7970 Optically Isolated Sigma-Delta Modulator

As the 7970 utilizes advanced sigma-delta A/D converter technology, designers can be sure that they are measuring the most accurate current from different phases of the motor. In addition to high accuracy, the 7970 also offers improved SNR/SNDR performance compared to the HCPL-7860/786J series. Other improvements include extended temperature range, 3.3V-comptible outputs and a slew rate control which helps mitigate EMI issues. In addition, using the optical method of transferring information...

ABT Bearing
Pillow Blocks

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