Reliable current and voltage detection
Isolation amplifiers are used to detect current or voltage (like transducers) and provide electrical isolation. For example, they are used in the detection and measurement of phase currents and DC link voltages using shunt resistors in three-phase frequency converter power applications. The maximum measurable current value is limited by the sensor's input voltage range and the power loss of the shunt resistor. By using a sensor with an input voltage range of 50mV, currents exceeding 100A can be easily detected. Furthermore, with proper thermal management using the latest technology shunt resistors, it is also possible to measure currents of 1000A.
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basic information
Isolation Amplifier: Bandwidth: ~250kHz Input Range: +/-200mV, +/-50mV, 0-2V Sigma-Delta Modulator: Internal Clock Operation (10MHz / 20MHz) / External Clock Operation (5MHz ~ 25MHz) Input Range: +/-200mV, +/-50mV, 0-2V
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Applications/Examples of results
• Current/voltage detection for AC and servo motor drive systems • Solar and wind turbine inverters • Industrial process control • Data acquisition systems • Signal isolation for switching power supplies • Isolation of various analog signals • General-purpose inverters
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Company information
Broadcom, rooted in AT&T/Bell Labs, Lucent, and Hewlett-Packard/Agilent, focuses on technologies that connect our world, leveraging its rich accumulation of technology. Through the integration of Avago Technologies, LSI, Broadcom Corporation, Brocade, and CA Technologies, it possesses the scale, coverage, and exceptional technical capabilities to lead the industry into the future. Broadcom provides category-leading, cutting-edge semiconductors and infrastructure software solutions, backed by its global scale, outstanding technology, diverse product portfolio, and excellent execution capabilities.