Books
Sigma-Delta Converters:
Practical Design Guide (2nd Edition)
Wiley-IEEE Press
(To be released in October 2018)
https://www.wiley.com/en-es/Sigma+Delta+Converters%3A+Practical+Design+Guide%2C+2nd+Edition-p-9781119275763
CMOS Sigma-Delta Converters:
Practical Design Guide
Wiley-IEEE Press
http://eu.wiley.com/WileyCDA/WileyTitle/productCd-1119979250.html
Nanometer CMOS Sigma-Delta Modulators for Software Defined Radio
Springer
http://www.springer.com/engineering/circuits+%26+systems/book/978-1-4614-0036-3
CMOS Cascade Sigma-Delta Modulators for Sensors and Telecom: Error Analysis and Practical Design
Springer
http://www.springer.com/engineering/circuits+%26+systems/book/978-1-4020-4775-6
Systematic Design of CMOS Switched-Current Bandpass Sigma-Delta Modulators for Digital Communication Chips
Kluwer Academic Publishers
http://www.springer.com/engineering/circuits+%26+systems/book/978-0-7923-7678-1
(More info about these books at: https://www.amazon.com/José-M.-de-la-Rosa/e/B001KHN1EY)