公开(公告)号：ITMI20011996D0

公开(公告)日：2001-09-26

申请号：ITMI20011996

申请日：2001-09-26

Applicant: ST MICROELECTRONICS SRL

Inventor： NESSI MAURIZIO ,  SCHILLACI LUCA ,  SCRIVANI ALESSANDRO ,  SILVESTRI SIMONE

IPC: H03M1/48

Abstract: The present invention herein describes a tracking analog-to-digital converter, in particular of the differential input type. In an embodiment thereof the tracking analog-to-digital converter, having a differential analog input including a first analog input and a second analog input, and a digital output at a first number of bits comprising: a back and forth counter having a direction input and an output, with a second number of bits; a digital-to-analog converter having a data input coupled to said output of said converter, a reference input and an output, with a second number of bits; a first comparator having a positive input, a negative input coupled to said output of said digital-to-analog converter and an output coupled to said direction input; characterized in that said reference input is coupled to said first analog input and said positive input of said first comparator is coupled to said second analog input.

公开(公告)号：ITMI20011996A1

公开(公告)日：2003-03-26

申请号：ITMI20011996

申请日：2001-09-26

Applicant: ST MICROELECTRONICS SRL

Inventor： NESSI MAURIZIO ,  SCHILLACI LUCA ,  SCRIVANI ALESSANDRO ,  SILVESTRI SIMONE

IPC: H03M1/48

Abstract: The present invention herein describes a tracking analog-to-digital converter, in particular of the differential input type. In an embodiment thereof the tracking analog-to-digital converter, having a differential analog input including a first analog input and a second analog input, and a digital output at a first number of bits comprising: a back and forth counter having a direction input and an output, with a second number of bits; a digital-to-analog converter having a data input coupled to said output of said converter, a reference input and an output, with a second number of bits; a first comparator having a positive input, a negative input coupled to said output of said digital-to-analog converter and an output coupled to said direction input; characterized in that said reference input is coupled to said first analog input and said positive input of said first comparator is coupled to said second analog input.