Thursday March 11 , 2010

SD Overview

Sigma-Delta Modulation

Use of a Sigma-Delta Modulation scheme in the design of Digital-to-Analog Converters (DACs) and Analog-to-Digital Converters (ADCs) allows for very efficient and/or high performance data converters.  Sigma-Delta Modulation (aka SD Modulation, SDM or Delta-Sigma Modulation) is not a new technique, but has been deployed relatively recently in a wide range of  applications thanks to continued advances in CMOS semiconductor technology.  Intrinsix has developed several families of Sigma-Delta based IP blocks that are designed to be inserted into larger designed targeted for standard CMOS processes such as those available from TSMC, UMC, SMIC. Chartered and others.

Intrinsix Sigma-Delta Modulator Refinery

As you might already know, designing a finely tuned SDM-based device, such as a Digital-to-Analog (DAC) or Analog-to-Digital (ADC) data converter can be a very time consuming effort, even by engineers very familiar with the technology.  This is where Intrinsix can get you ahead of the curve.  Intrinsix has developed the Intrinsix SDM Refinery, a high proprietary design automation suite.  When deployed by our Mixed Signal Design Team, SDM Refinery allows them to quickly produce optimized  Sigma-Delta Modulators (SDMs) and SDM-based, over-sampled DACs and ADCs.   Not only do the results come faster, but the components developed with the SDM Refinery are optimized far beyond what could be expected from a manual design methodology.  More information on the SDM Refinery click here.

 

Sigma-Delta based Intellectual Property from Intrinsix:

 

SDM Data Converters for High Performance Audio (HPA)

/ SD-DAC-HPA

\ SD-ADC-HPA

 

SDM Data Converters for Consumer Audio (CA)

/ SD-DAC-CA

\ SD-ADC-CA

 

SDM Data Converters for Precision Data Conversion (PDC)

/ SD-DAC-PDC

\ SD-ADC-PDC

 

SDM Data Converters for Cost Effective Conversions (CEC)

/ SD-DAC-CEC

\ SD-ADC-CEC

 

SDM for Radio Frequency Applications (RF)

- SD-M-RF

 

Tri-Mode Television IF Subsystem (with SDM-ADC)

- SD-ADC-TMTVIF

  Programmable SDM ADC - SD-ADC-PROG