Semiconductor device
AssigneesKabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage Corporation
InventorHitoshi Imai
Life of this patent
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Abstract
According to one embodiment, a semiconductor device includes the following configuration. A detection circuit detects a state of a clock signal. An amplification circuit changes a gain based on the state of the clock signal detected by the detection circuit. An amplification circuit amplifies a first voltage with the gain and outputs a second voltage obtained as a result of amplification. A conversion circuit converts the second voltage output from the amplification circuit to first data. An isolation circuit includes a driver and a receiver electrically isolated from the driver. The driver transmits a signal corresponding to the first data to the receiver. The receiver outputs second data corresponding to the signal transmitted from the driver. The output circuit outputs the second data output from the isolation circuit.
Claims19
A semiconductor device comprising:
- a detection circuit configured to detect a state of a first signal;
- an amplification circuit configured to change a gain based on the state of the first signal detected by the detection circuit, the amplification circuit amplifying a first voltage with the gain and outputting a second voltage obtained as a result of amplification, the amplification circuit including an amplification unit, and a feedback resistor switch circuit coupled between an input terminal and an output terminal of the amplification unit, the gain of the amplification circuit being changed by changing a resistance value of the feedback resistor switch circuit based on the state of the first signal;
- and
- a conversion circuit configured to convert the second voltage output from the amplification circuit to first data.
A semiconductor device comprising:
- a detection circuit configured to detect a state of a first signal;
- a reference voltage circuit configured to change a reference voltage based on the state of the first signal detected by the detection circuit;
- an amplification circuit configured to amplify a first voltage, and output a second voltage obtained as a result of amplification;
- a conversion circuit configured to convert the second voltage output from the amplification circuit to a first data, using the reference voltage output from the reference voltage circuit;
- and
- a correction circuit configured to correct the first signal,
- wherein the correction circuit outputs the corrected first signal to the conversion circuit, and
- the conversion circuit converts the second voltage output from the amplification circuit, to the first data, using the corrected first signal.
Dependencies are inferred from the claim text.