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Analog Devices’ Advanced DAS Precisely Monitors Smart Grid Equipment and Enhances Power Delivery

AD7616

Analog Devices announces a new data acquisition system (DAS) that is sought to enhance smart grid equipment monitoring precisely protecting equipment from harmful system faults and improve power delivery to residences and businesses.

As electricity demand grows and renewable energy generation is added, utility companies must increase the scope, granularity and accuracy of monitoring points across the distribution grid.  Current data acquisition systems often require complex design work and expensive integration that can exceed the needs of the application.

The new DAS supports and features:

  • Class 0.2 measurement accuracy and enables the development of faster, more sensitive and affordable fault detection equipment that helps protection relay operators minimize the high costs associated with repairing and replacing damaged components.
  • The AD7616 DAS simplifies designs and lowers system costs by reducing the need for multiple parts in high channel count applications by integrating dual simultaneous sampling of 16 channels.
  • The AD7616 operates from a single 5 V supply and can accommodate ±10 V, ±5 V, and ±2.5 V true bipolar input signals while sampling at throughput rates up to 1 MSPS per channel pair.

Additional Benefits include:

  • Additionally, the device’s input structure is claimed to eliminate the need for additional external protection circuits or external signal conditioning that add cost. On-chip filtering and high input impedance (1M ohm) eliminate the need for driver op-amps and external bipolar supplies.
  • High accuracy on-chip ADCs provide a 90 dB SNR, enabling Class 0.2 measurement accuracy compliance and producing more accurate, reliable, time coherent data.
  • Higher SNR performance of 92 dB can be achieved by using the on-chip oversampling mode.

Applications

The AD7616 DAS is suitable for a range of distribution applications such as relay protection for low-voltage distribution and feeder terminal units.  The new device is also ideal for multiphase motor control and industrial instrumentation applications.

Product Pricing and Availability

ProductADC

Resolution

ADC ChannelsSamples

Available

Full ProductionPrice Each Per 1,000Packaging
AD761616-bit16NowOctober 2016$11.9680-lead LQFP package

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