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Precision Medium Bandwidth Solutions

Precision medium bandwidth signal chains cover a large range of applications from the smallest perturbation of the electrical grid to the loudest roar of a jet engine. These are solutions that demand accuracy across signal bandwidths from DC to 100 kHz with sampling rates up to 4 MSPS such as condition-based monitoring (CbM), power quality monitoring, sensor and system data acquisition, rotation and position sensing, and analog input modules for industrial systems.

Analog Devices’ precision medium bandwidth signal chains combine precision amplifiers, voltage references, analog-to-digital converters (ADCs), digital-to-analog converters (DACs), circuit protection, and isolation products.


Value and Benefits

Our medium bandwidth signal chain solutions provide valuable measurement and drive control options characterized by 16-bit to 24-bit resolution combined with DC precision and AC signal fidelity. They provide the key benefits of precise measurements of small and large amplitude signals, measurement and generation of arbitrary signals, or measurement of signals from many inputs at once.

We also provide options for high channel-count synchronized systems designed with consideration for time accuracy and channel-to-channel phase alignment, and options for high channel density with small form factor multichannel converters or more highly integrated signal chain blocks (µModule® solutions).

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Provide accuracy with the balance of power and speed

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DC precision with AC quality

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Flexible Measurements including high channel count

Data Acquisition

Data Acquisition—Multichannel

The following signal chains provide highly scalable solutions for multichannel use cases with trade-offs between power, bandwidth, and noise. These chains are typified by simplified analog front-end design and precision converters with multiple analog-to-digital conversion input channels per device.

Data acquisition circuit, multichannel

Data Acquisition—Single Channel

In this section, find signal chain options that provide highly scalable solutions for data acquisition, with trade-offs between power, bandwidth, and noise. These chains are typified by simplified analog front-end design with antialiasing protection. Single-channel signal chains can be utilized in multichannel systems where channel-to-channel isolation is required.

Data acquisition circuit, single channel

Vibration and Sound

This section includes vibration and sound signal chains for use cases with low noise and wide bandwidth, such as edge node sensing and high performance vibration and sound data acquisition channels. Some of the signal chains include devices with integrated digital filters to simplify analog filter design, reduce interface speed, and reduce power consumption in the digital host. Includes high performance DAQ signal chains with wide bandwidth and low noise.

Edge Node Vibration Sensing

Edge node vibration sensing circuit

Vibration Sensing Data Acquisition Module

Vibration sensing data acquisition module circuit

LTspice Signal Chain Simulations


Encoder-Based Rotation Sensing

The following signal chains deliver high precision rotation measurement capability, with options to include simultaneous sampling signal chains for phase accuracy, low latency for precision control loops, and lower resolution options for cost-sensitive applications.

Encoder-based rotation sensing circuit

AMR-Based Rotation Sensing

In this section we describe a signal chain that delivers the highest level of performance for rotation sensing and feedback applications.

AMR-based rotation sensing circuit


Find signal chain options that provide highly scalable solutions for passive sonar array applications. Solutions here focus on simplified analog front-end design with inherent antialiasing and easy-to-drive data converter inputs.

Sonar circuit

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