The VIA0050DD, VIA0250DD, and VIA2000SD, Vishay Intertechnology’s newest isolation amplifiers, were released. For a variety of industrial, automotive, and medical applications where high precision, dependability, and small size are essential, these new devices provide improved performance.
The isolation amplifiers in the VIA series are made to provide outstanding thermal stability and accurate measuring capabilities. Even in challenging conditions, including heavy-duty motor applications, these amplifiers deliver strong performance thanks to their typical common-mode transient immunity (CMTI) of 150 kV/?s.
Precise measurements over time and temperature are guaranteed by the low typical gain error of ± 0.05 percent and the minimal gain drift of 15 ppm/°C. In addition, these devices have a 400 kHz bandwidth, which allows for faster measurements than those made with conventional opto-based isolation amplifiers.
 Additionally, each amplifier in this series has improved isolation, minimal offset error and drift, and built-in diagnostics for easier accuracy voltage and current measurements.
These amplifiers are especially well-suited for demanding applications where reliability is crucial because of the built-in common mode voltage detection, which guards against failures in current and voltage measurement applications.Â
Vishay’s WSBE low TCR, high power shunts are compatible with this series, guaranteeing exceptional performance across a broad temperature range of -40°C to +125°C.
The VIA0050DD is a capacitive isolation amplifier designed for environments where space is limited and low power consumption is crucial. Its strong common-mode transient immunity (CMTI) of at least 100 kV/?s guarantees reliable operation even in noisy settings.
Power inverters, battery energy storage systems, motor phase current sensing, and industrial motor controllers are just a few of the space-constrained applications that benefit greatly from its low differential input voltage of ± 50 mV. Likewise, the VIA0250DD enables isolated voltage and current measurements because to its broad differential input voltage of ± 250 mV.
The VIA2000SD is the greatest option for transmitting high-fidelity signals in challenging situations since it has the maximum bandwidth and signal-to-noise ratio (SNR) of the three types. For applications like bus voltage monitoring and uninterruptible power supplies (UPS), its linear differential input voltage, which ranges from 0.02 V to 2 V, enables accurate isolated voltage readings.
Bus voltage monitoring, AC motor controllers, power and solar inverters, and UPS are just a few of the applications for which the VIA series isolation amplifiers are made to deliver reliable, precise performance.
These amplifiers enable reliable performance in renewable energy systems, facilitate the monitoring of industrial motor drives, guarantee precise measurements across high voltage potential dividers and precision shunts, and preserve signal integrity in vital power systems.
Availability
Samples and production quantities of the VIA0050DD, VIA0250DD, and VIA2000SD are available now, with lead times of 12 to 16 weeks.
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