A modified folded multi-LSB decided resistor string digital to analog converter

This work proposes an improved folded multi-LSB decided resistor string digital to analog converter which has lower number of resistors. The nonlinearity calculations are done for this design in order to better analyze the resistor mismatch. Since no buffers are employed to this architecture, the proposed circuit has ameliorated performance in compare with the conventional digital to analog converters. As the buffer is omitted from this topology, the offset problem and the bandwidth limitations are solved.