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Selection of Key Components (ADC, Signal Conditioning Amplifier) for AC Analog Input Module (AIM)

Fourth part of the session explains representation of Voltage or Current waveforms in Time and frequency domain and also looks at the customer use case for application of Time or frequency domain Analysis. The session also explains different sampling approaches like Simultaneous sampling, Coherent sampling, Oversampling to improve system performance, criteria for ADC selection and choice between SAR and Delta-Sigma ADCs. There is a list of TI products that can be considered during the design of the AIM and finally provides overview for Focus ADCs for this session.

Signal Acquisition system using TI’s High Resolution SAR Converters

The report illustrates a differentially driven signal fed into TI’s 20 bit SAR ADC. This results in raw data available for data processing. This has zero latency and high linearity.

This TI design illustrate the CW Doppler signal conditioning for an ultrasound machine. The input signal bandwidth up to 100KHz and 128 differential signals from AFEs are summed together in a differential high speed amplifier and digitized with TI SAR ADC.

This presentation also addresses :

An adaptive circuit for adjusting the cut off frequency of anti-aliasing circuit in our explanations.

Specifications

How do DAC specifications change and enhance your design? Find out here. 

Resources:

Summary

In this section, a summary of the entire “How to design high-accuracy CT-based split-phase electricity meters using standalone metrology ADCs” training module would be covered.  Links will be provided for the reference designs that were discussed during this training series.

Summary

In this section, a summary of the entire “How to design 1-phase shunt electricity meters using standalone metrology ADCs” training module would be covered.  Links will be provided for the reference designs that were discussed during this training series.

The HART of the Current Loop: Designing SMART Field Transmitters and PLCs with TI's Very First HART Modem

This presentation series covers analog output design and how HART is used in both analog input modules and analog output modules. It also provides information on the HART testing and certification process.

Three-part JESD204B training series

This three-part training series introduces fundamentals and tips for leveraging the JESD204B serial interface standard, which provides board area, FPGA/ASIC pin-count and deterministic latency improvements over traditional LVDS and CMOS interfaces. TI’s JESD204B ADCs, DACs, clock ICs and development tools enable quick evaluation, design and implementation of designs utilizing the JESD204B interface. Learn more today through this on-demand series.

Precision Top

TI Precision Labs

TI Precision Labs (TIPL) is the most comprehensive online classroom for analog signal chain designers. From foundational knowledge to advanced concepts, our logical, sequenced and comprehensive teaching approach is both intuitive and practical. The training series, which includes videos and downloadable reference materials, will deepen the technical expertise of experienced engineers and accelerate the development of those early in their career.

TI Precision Labs – ADCs

TI Precision Labs - ADCs

These on-demand courses and tutorials include introductory ideas about device architecture in addition to advanced, application-specific problem-solving, using both theory and practical knowledge.  Industry experts present each topic in order to help reduce design time and move quickly from proof-of-concept to productization. The ADC (analog-to-digital converter or A/D converter) curriculum is segmented into major topic learning categories, each of which contains short training videos, multiple choice quizzes, and short answer exercises.

TIDA-010036 hardware design

This section provides an overview of the hardware used in the TIDA-010036 design, which includes the circuits used to translate the Mains voltage and current to the voltage waveform sensed by the ADS131M04.  In addition, it covers the TPS7A78-based cap-drop power supply used in this design.

TIDA-010037 hardware design

This section provides an overview of the hardware used in the TIDA-010037 design, which includes information on the eFuse circuit used to create a current limited rail for connection to an external communication module.  In addition, this section discusses the circuits used to translate the Mains voltage and current to the voltage waveform sensed by the ADS131M04.

Troubleshooting a DAC

Running into trouble?! Don't worry, the right solution is just a click away. 

Webinar Series

Join our webinar series, as we explore different industry trends and technologies across our diverse product portfolio. Over the coming months, our experts will cover the latest analog, power management and embedded processing topics, across both automotive and industrial applications.

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