Photoelectric conversion apparatus and equipment

A photoelectric conversion apparatus which includes a plurality of pixels each having a photoelectric conversion element arranged therein and in which a first substrate and a second substrate are stacked, comprising:

• a first amplification circuit configured to output, to a second node, a first signal obtained by amplifying a signal level of a first node to which a signal is supplied from the photoelectric conversion element;
• a holding capacitor;
• a first transistor arranged between the second node and the holding capacitor;
• and
• a processing circuit configured to process a second signal according to a signal level of the second node,
• wherein the plurality of pixels are arranged on the first substrate, and the holding capacitor is arranged on the second substrate,
• the first amplification circuit is configured to be set in an operation state when a first control signal is at a first voltage, and to be set in a nonoperation state when the first control signal is at a second voltage,
• the first transistor is configured to be set in an ON state when a second control signal is at a third voltage, and to be set in an OFF state when the second control signal is at a fourth voltage, and
• the photoelectric conversion apparatus is configured to be able to operate in a driving mode in which at least one of a first transition time of the second control signal transiting from the fourth voltage to the third voltage and a second transition time of transiting from the third voltage to the fourth voltage is longer than a third transition time of the first control signal transiting between the first voltage and the second voltage.

A photoelectric conversion apparatus which includes a plurality of pixels each including a photoelectric conversion element arranged therein, comprising:

• a first amplification circuit configured to output, to a second node, a first signal obtained by amplifying a signal level of a first node to which a signal is supplied from the photoelectric conversion element;
• a holding capacitor;
• a first transistor arranged between the second node and the holding capacitor;
• a second amplification circuit configured to output a second signal obtained by amplifying a signal level of the second node;
• and
• a processing circuit configured to process the second signal,
• wherein the first transistor is configured to be set in an ON state when a second control signal is at a third voltage, and to be set in an OFF state when the second control signal is at a fourth voltage, and
• the photoelectric conversion apparatus is configured to be able to operate in a driving mode in which a first transition time of the second control signal transiting from the fourth voltage to the third voltage and a second transition time of the second control signal transiting from the third voltage to the fourth voltage are different.

A photoelectric conversion apparatus which includes a plurality of pixels each having a photoelectric conversion element arranged therein and in which a first substrate and a second substrate are stacked, comprising:

• a first amplification circuit configured to output, to a second node, a first signal obtained by amplifying a signal level of a first node to which a signal is supplied from the photoelectric conversion element;
• a holding capacitor;
• a first transistor arranged between the second node and the holding capacitor;
• and
• a processing circuit configured to process a second signal according to a signal level of the second node,
• wherein the plurality of pixels are arranged on the first substrate, and the holding capacitor is arranged on the second substrate,
• the first transistor is configured to be set in an ON state when a second control signal is at a third voltage, and to be set in an OFF state when the second control signal is at a fourth voltage, and
• the photoelectric conversion apparatus is configured to be able to operate in a driving mode in which a first transition time of the second control signal transiting from the fourth voltage to the third voltage and a second transition time of the second control signal transiting from the third voltage to the fourth voltage are different.

A photoelectric conversion apparatus which includes a plurality of pixels each having a photoelectric conversion element arranged therein and in which a first substrate and a second substrate are stacked, comprising:

• a first amplification circuit configured to output, to a second node, a first signal obtained by amplifying a signal level of a first node to which a signal is supplied from the photoelectric conversion element;
• a holding capacitor;
• a first transistor arranged between the second node and the holding capacitor;
• and
• a processing circuit configured to process a second signal according to a signal level of the second node,
• wherein the plurality of pixels are arranged on the first substrate, and the holding capacitor is arranged on the second substrate,
• the first amplification circuit is configured to be set in an operation state when a first control signal is at a first voltage, and to be set in a nonoperation state when the first control signal is at a second voltage,
• the first transistor is configured to be set in an ON state when a second control signal is at a third voltage, and to be set in an OFF state when the second control signal is at a fourth voltage,
• the photoelectric conversion apparatus is configured to be able to operate in a driving mode in which at least one of a first transition time of the second control signal transiting from the fourth voltage to the third voltage and a second transition time of transiting from the third voltage to the fourth voltage is different from a third transition time of the first control signal transiting between the first voltage and the second voltage, and
• at least a part of a signal generator including a first signal generation circuit configured to generate the first control signal and a second signal generation circuit configured to generate the second control signal is arranged on the second substrate.