High Speed 
High Resolution 
Lowest Power

Our patented Analog-to-Digital Converters (ADCs)
as chips and IP beat the competition by 10x

High Speed 
High Resolution 
Lowest Power

Our patented Analog-to-Digital
Converters (ADCs)
beat the competition by 10x


LIDAR ADCs for Autonomous Vehicles

Analog bottleneck
400 MHz BW 10-bit ADCs

Next-gen comm. wireless and wireline ADCs

Analog bottleneck
800 MHz BW 11-bit ADCs

Portable medical imaging ADCs (1st customer)

Analog bottleneck
45 MHz BW 15-bit ADCs

Switched-Mode Signal Processing

Analog design in the time-domain

  • Signal information encoded only in pulse-widths

Near-supply analog operation

  • Signal swing only depends on width of pulses

Improves with CMOS scaling

  • Transistors get faster with scaling

*US Patent #10075133B2: Systems and methods for ring-oscillator based operational amplifiers for scaled CMOS technologies

SMSP enables high-performance mixed-signal design in scaled CMOS

Our products – Highly integrated chips and ADC IP

Next-generation ADCs

Our first generation of products is for the medical imaging and 4G/WiFI markets. We have silicon-proven devices from TSMC’s 28nm HPM process  and test results are available under NDA. Our next generation of products is geared for the high bandwidth requirements needed for LIDAR, 5G wireless, and G.fast communication systems. We also have basic IP available such as bandgap references and LVDS drivers.

SMI Si-proven ADC advantages

Using continuous-time sigma-delta ADCs reduce system cost as it relaxes the anti-aliasing requirements. In addition, because of the input being resistive instead ofcapacitive like most ADCs, it lowers the power requirements of the input buffer. Also, our ADCs are able to tolerate a lot of clock jitter which allows the system designer to use less-costly PLLs for clock generation.

SMI lowers system cost

Single voltage supply operation

Robust jitter tolerance

Oversampled architecture

Resistive input, easier to drive

Knowledge Base

Published Papers

Conference Presentations

Our partners

Meet Our Team

Jayanth Kuppambatti

Jayanth received his PhD in 2014 from Columbia University and has been working on switched-mode signal processing for over 7 years. He has  published at ISSCC, CICC, ESSCIRC, JSSC and has 3 granted patents.

Augustine Kuo

Augustine received his BS EECS from UC Berkeley and MS ECE from Carnegie Mellon University. He has over 20 years of experience and has worked at Cirrus Logic, Altima Communications (purchased by Broadcom), Broadcom and SuVolta. He has 9 patents granted.

R Scott Hills

Scott received his BS EE from Cal Poly. He has over 30 years of experience and has worked at Cirrus Logic, AMD, IDT, Dialog Semi, and Cortus.

Keith Lobo

Keith is an Advisor to Management at Seamless Microsystems. His career includes twenty-two years in the Semiconductor industry, where he helped build and run three landmark startups, LSI Logic (now part of Broadcom), Chips & Technologies (now part of Intel), and Quickturn Design Systems (now part of Cadence).

These companies together generated more than $3B of public shareholder value. He was directly involved in two IPOs with Morgan Stanley, and has completed five successful M&A transactions on both the buy side and sell side during his career. He also spent over ten years in early stage venture capital, most of that with Fremont Group – San Francisco where he was a General Partner in their technology VC fund. Keith has served on over two dozen boards, and been a Trustee of the $2.9B Wisconsin Alumni Research Foundation in Madison WI, where he was also involved in helping establish a Technology Accelerator for the University of Wisconsin – Madison. His companies have twice won the annual In-Stat Kachina Award for best financially managed company in the Semiconductor Industry. Keith was educated at Stevens Institute of Technology – NJ (ME in Electrical Engineering) and The University of Wisconsin – Madison (MBA in Finance/Int’l Business).

Vipin Tiwari

Vipin is a business advisor to management at Seamless Microsystems.  He has more than 20 years of extensive experience in product development, product marketing, business development, technology licensing, engineering management and memory design. Currently Mr. Tiwari is Director, Embedded Memory Product Development, at Silicon Storage Technology, Inc., a Microchip Technology company.

His accountabilities include spearheading machine learning and embedded memory development. Before joining SST, he held series of management and design engineering positions at Virage Logic Corporation and ST Microelectronics, responsible for product marketing, embedded NVM, embedded SRAM designs, memory compiler development, and Place & Route. He holds 23 U.S. patents and has several additional patents pending. Mr. Tiwari has a Bachelor of Science degree in electronics engineering from the Indian Institute of Technology (IIT) BHU, India, and a Master of Business Administration (MBA) from Santa Clara University, Calif.

Peter Kinget

Peter is a technical advisor at Seamless Microsystems. He has worked in industrial research and development at Bell Laboratories, Broadcom, Celight and Multilink before joining the faculty of the Department of Electrical Engineering, Columbia University, NY in 2002, where he currently is the Department Chair and Bernard J. Lechner Professor in Electrical Engineering. He is also a consulting expert on patent litigation and a technical consultant to industry. His research interests are in analog, RF and power integrated circuits and the applications they enable in communications, sensing, and power management.

Peter is widely published and received several awards. He is a Fellow of the IEEE. He is a “Distinguished Lecturer” for the IEEE Solid-State Circuits Society (SSCS), and has been an Associate Editor of the IEEE Journal of Solid State Circuits (2003-2007) and the IEEE Transactions on Circuits and Systems II (2008-2009). He has served on the program committees of many of the major solid-state circuits conferences and has been an elected member of the IEEE SSCS Adcom (2011-2013 & 2014-2016). He received his engineering and Ph.D. degrees in electrical engineering from the Katholieke Universiteit in Leuven (Belgium).

Contact Us

1990 N. California Blvd 8th floor, Walnut Creek, CA, 94596


(408) 888-5885

We are currently hiring, please contact us if you are interested in analog design positions.
© 2018 Seamless Microsystems, Inc. All rights reserved