CMOS Analog Integrated Circuits

6

Nonlinear Analog Components

CONTENTS

6.1    Comparators

6.1.1    Amplifier-based comparator

6.1.2    Comparator using charge balancing techniques

6.1.3    Latched comparators

6.1.3.1    Static comparator

6.1.3.2    Dynamic comparator

6.2    Multipliers

6.2.1    Multiplier cores

6.2.1.1    Multiplier core based on externally controlled transconductances

6.2.1.2    Multiplier core based on the quarter-square technique

6.2.1.3    Design issues

6.2.2    Design examples

6.3    Summary

6.4    Circuit design assessment

Nonlinear analog components in MOS technology essentially include comparators and multipliers. They can find applications in communication and instrumentation systems.

A comparator provides an output signal to indicate whether the ...