A new low power and all-MOS voltage-to-current converter for current mode ADCs with high linearity, high bandwidth and rail-to-rail input range

This work presents a new low power and all-MOS voltage-to-current (V-I) converter with high linearity (≃0.15%), high bandwidth (≃19 MHz) and rail-to-rail input range (from V
_SS
up to V
_DD
) to be used prioritarily as a internal building block of current mode A/D converters. The text includes the description of the constituent stages of the converter topology, as well as the static and dynamic simulations results, validating the proposed converter through the MOS-level implementation using computing tool Pyxis Schematics from Mentor Graphics, with XFAB 180 nm technology.