Digital device for image acquisition comprising: ∘ at least one selection decoder circuit, and ∘ a plurality of sub-blocks of an image sensor each comprising: ∘ a charge control circuit, ∘ one or more detection and conversion elements each having at least one photosensor and a discharge element of the photosensor which can be controlled, through a related reset terminal, by said charge control circuit and wherein each of said detection and conversion elements is capable of converting the current generated by the photosensor into a voltage signal available at a reading terminal when enabling a selector switch controlled by a selection terminal through a selection signal of said selection decoder circuit, wherein said charge control circuit comprises: ∘ a circuit suitable for realizing a logic port of the AND type having a selector input terminal receiving said selection signal from said selection decoder circuit and an enabling input terminal suitable to receive an enable signal, said circuit being adapted to transmit a reset signal to said reset terminal characterized in that said enable signal is common to all the detection and conversion elements of said device and in that said charge control circuit comprises further ∘ interruption organs connected to said reset terminal for transmitting to said reset terminal a reset signal alternatively constituted by an output signal of said circuit suitable for carrying out a logic port of the AND type or by a global reset signal transmitted to a global reset terminal of said charge control circuit. ∘ at least one selection decoder circuit, and ∘ a plurality of sub-blocks of an image sensor each comprising: ∘ a charge control circuit, ∘ one or more detection and conversion elements each having at least one photosensor and a discharge element of the photosensor which can be controlled, through a related reset terminal, by said charge control circuit and wherein each of said detection and conversion elements is capable of converting the current generated by the photosensor into a voltage signal available at a reading terminal when enabling a selector switch controlled by a selection terminal through a selection signal of said selection decoder circuit, ∘ a charge control circuit, ∘ one or more detection and conversion elements each having at least one photosensor and a discharge element of the photosensor which can be controlled, through a related reset terminal, by said charge control circuit and wherein each of said detection and conversion elements is capable of converting the current generated by the photosensor into a voltage signal available at a reading terminal when enabling a selector switch controlled by a selection terminal through a selection signal of said selection decoder circuit, ∘ a circuit suitable for realizing a logic port of the AND type having a selector input terminal receiving said selection signal from said selection decoder circuit and an enabling input terminal suitable to receive an enable signal, said circuit being adapted to transmit a reset signal to said reset terminal characterized in that said enable signal is common to all the detection and conversion elements of said device and in that said charge control circuit comprises further ∘ interruption organs connected to said reset terminal for transmitting to said reset terminal a reset signal alternatively constituted by an output signal of said circuit suitable for carrying out a logic port of the AND type or by a global reset signal transmitted to a global reset terminal of said charge control circuit.