Analog-To-Digital Conversion Device

摘要

The present disclosure relates to an electronic analog-to-digital conversion device (100) which comprises: an analog-to-digital conversion block (101) having a first input (1) for receiving a voltage signal (Vout) to be converted on the basis of a reference voltage signal (VREF) provided to a second input (2) of the same analog-to-digital conversion block (101);—an input block (102) having an input terminal (3) and an output terminal (4) connected to the first input (1) of the analog-to-digital conversion block (101). The input block (102) is arranged for processing an input voltage signal (Vin) applied to the input terminal (3) to generate the voltage signal (Vout) at the output terminal (4). The input block (102) comprises:—a first resistive network (103) operatively connected to both the input terminal (3) and the output terminal (4);—a second resistive network (104) connected between the output terminal (4) and a reference potential (GND). The input block (102) is characterized by comprising an active network (105) connected between an output node (5) of the first resistive network (103) and the output terminal (4). The active network (105) has a first input terminal (6) directly connected to the second input (2) of the analog-to-digital conversion block (101) for receiving the same reference voltage signal (VREF) provided to the second input (2) so that the input voltage signal (Vin) is processed by the input block (102) on the basis of such reference voltage signal (VREF).

主权项

1. An electronic analog-to-digital conversion device comprising:
an analog-to-digital conversion block having a first input for receiving a voltage signal to be converted on the basis of a reference voltage signal provided to a second input of said analog-to-digital conversion block; an input block having an input terminal and an output terminal connected to the first input of the analog-to-digital conversion block, said input block being arranged for processing an input voltage signal applied to the input terminal to generate said voltage signal at the output terminal, said input block comprising:
a first resistive network operatively connected to both the input terminal and the output terminal;a second resistive network connected between said output terminal and a reference potential;said input block further comprising:an active network connected between an output node of the first resistive network and said output terminal, said active network having a first input terminal directly connected to the second input of the analog-to-digital conversion block for receiving the same reference voltage signal provided to said second input so that the input voltage signal is processed by the input block on the basis of said reference voltage signal.