ADI’s AD7768 series includes a power scalable modulator and digital filter on each channel to enable the synchronised, precise measurement of both AC and DC signals in instrumentation applications.
Analog Devices (ADI) has rolled out a line of 24bit simultaneous sampling sigma-delta A/D converters (ADCs) aimed at wide-bandwidth, high-density instrumentation, energy and healthcare equipment. According to the company, the AD7768 series includes a power scalable modulator and digital filter on each channel to enable the synchronised, precise measurement of both AC and DC signals in instrumentation applications, including modular data acquisition, audio test and asset condition monitoring.
The high throughput, fast settling response and simultaneous sampling of the AD7768 series enables faster test times, which reduces testing costs and allows more efficient instrumentation design. The AD7768 series’ high channel count provides healthcare devices, such as clinical vital signs monitoring equipment, with the means to significantly expand channel density while maintaining low power and high input bandwidth.
The converters also deliver improved power quality monitoring through the ability to detect harmonic distortion over a wider bandwidth for detection and diagnosis of grid imbalance. A scalable, easy-to-configure layout also allows system designers to save additional time and cost by using a single converter series across multiple equipment platforms, performance points and measurement ranges, added ADI.
The 24bit, 8-channel AD7768 and the 24bit, 4-channel AD7768-4 have a 6dB dynamic range advantage over the nearest competing products and deliver the industry’s best integral non-linearity (INL) performance across the widest available bandwidth, in addition to achieving 10 times better offset, a 30 times reduction in gain error, and a two times improvement in gain drift, detailed the company.
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