Improved signal quality monitoring performance in instrumentation, energy, and healthcare applications

Analog Devices (Korea Representative Director Jaehoon Yang) announced a family of 24-bit simultaneous sampling Σ-Δ (sigma-delta) ADCs for wide bandwidth, high-density measurement, energy, and healthcare equipment.

The newly released AD7768 family includes a power scalable modulator and a digital filter for each channel to enable precise, synchronized measurement of both AC and DC signals in measurement applications such as modular data acquisition, audio testing, and asset condition monitoring.


The AD7768 family features high throughput, fast settling response, and simultaneous sampling, enabling more efficient instrumentation designs and reduced test costs thanks to faster test speeds. The high channel count of the AD7768 family contributes to maintaining low power and high input bandwidth while significantly expanding channel density in healthcare devices, such as clinical vital signs monitoring equipment.

In addition, the new converter family provides enhanced power quality monitoring by detecting harmonic distortion over a wider bandwidth, enabling the detection and diagnosis of grid imbalances. With the scalable and easy-to-configure layout of the AD7768 product family, system designers can use a single converter family across multiple equipment platforms, performance points, and measurement ranges, further reducing time and costs.

The 24-bit, 8-channel AD7768 and the 24-bit, 4-channel AD7768-4 have a dynamic range 6dB better than comparable competitors and provide industry-leading integral non-linearity (INL) performance across the widest available bandwidth. In addition, they achieve a 10x improvement in offset, a 30x reduction in gain error, and a 2x improvement in gain drift.