Monolithic pixel detectors in a <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si6.gif" overflow="scroll"><mml:mn>0.13</mml:mn><mml:mspace width="0.16em"/><mml:mi mathvariant="normal">μ</mml:mi><mml:mi mathvariant="normal">m</mml:mi></mml:math> CMOS technology with sensor level continuous time charge amplification and shaping