2006 | OriginalPaper | Buchkapitel
PRECISION CIRCUIT TECHNIQUES
verfasst von : Michiel A.P. Pertijs, Johan H. Huijsing
Erschienen in: PRECISION TEMPERATURE SENSORS IN CMOS TECHNOLOGY
Verlag: Springer Netherlands
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This chapter discusses the circuit implementation of CMOS smart temperature sensors. More specifically, it focusses on the implementation of accurate charge balancing in the sigma-delta ADC. Implementations based on continuous- time and switched-capacitor circuits are discussed. Their performance in terms of noise, accuracy and power consumption is analyzed, and solutions to mismatch- and offset-related errors are presented.