Industrial Consultancy & Sponsored Research (IC&SR) , IIT Madras
Multi-channel ADC Realization using a Delta-sigma Modulator without Reset and a Modulated Sinc-sum Filter
Categories for this Invention
Category – Electronic System & Design Manufacturing, Automotive, Biomedical Engineering
Applications – Automotive, Sensors
Industry – IT hardware industry, sensors
Market – The global Electronics market size was valued at USD 1497415.58 million in 2022 and is expected to expand at a CAGR of 5.5% during the forecast period, reaching USD 2065063.0 million by 2028
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Problem Statement
- Traditional multi-channel ADCs suffer from crosstalk issues due to memory in delta-sigma ADCs, requiring resets that reduce accuracy and increase complexity.
- There’s a need for a more efficient and accurate multi-channel ADC solution that eliminates crosstalk without the drawbacks of frequent resets, particularly crucial for automotive and sensing applications, while also maintaining high-resolution data conversion capabilities
Technology
Modulated Sinc-Sum Digital Filter:
- Introduces a novel digital filter alongside a delta-sigma modulator to eradicate crosstalk in multi-channel ADCs.
Elimination of Reset Requirement:
- Avoids the necessity for frequent resets in delta-sigma ADCs, preserving accuracy and reducing system complexity.
Maintaining High-Resolution Conversion:
- Ensures high-resolution data conversion in multi-channel ADCs while maintaining performance integrity.
Digital-Only Solution:
- Offers a solution solely based on digital components, eliminating the need for additional analog blocks and simplifying implementation.
Addressing Automotive and Sensing Challenges:
- Tailors the solution to meet the specific challenges of multi-channel ADCs in automotive and sensing applications, enhancing overall system reliability and efficiency.
Key Features / Value Proposition
Crosstalk Elimination:
- Utilizes a digital filter and delta-sigma modulator to eradicate crosstalk in multi-channel ADCs.
No Reset Requirement:
- Avoids the need for frequent resets, simplifying implementation and maintaining accuracy.
- Enhances multi-channel ADC performance in automotive and sensing applications by ensuring accurate data conversion without sacrificing simplicity or precision.
Questions about this Technology?
Contact For Licensing
sm-marketing@imail.iitm.ac.in
ipoffice2@iitm.ac.in
Research Lab
Prof. NAGENDRA KRISHNAPURA
Department of Electrical Engineering
Intellectual Property
- IITM IDF Ref. 1934
- IN 495533 (Patent Granted)
Technology Readiness Level
TRL- 4 Technology validated in lab scale.