An integrated circuit device includes: an AFE circuit (analog front-end circuit) that receives a first signal and a second signal, carries out waveform shaping of the first signal and waveform shaping of the second signal, outputs the first signal whose waveform is shaped to a first signal line, and outputs the second signal whose waveform is shaped to a second signal line; and a time-to-digital converter that receives the first signal from the AFE circuit via the first signal line, receives the second signal from the AFE circuit via the second signal line, and converts a time difference between transition timings of the first signal and the second signal into a digital value. At least one of the first signal line and the second signal line has redundant wiring for isometric wiring.
Integrated circuit device, physical quantity measuring device, electronic apparatus, and vehicle
2020-04-07
Patent
Elektronische Ressource
Englisch
IPC: | G04F TIME-INTERVAL MEASURING , Messen von Zeitintervallen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H03D Demodulation oder Übertragung einer Modulation von einem Träger auf einen anderen , DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER / H03K PULSE TECHNIQUE , Impulstechnik / H03L Automatisches Steuern oder Regeln, Inbetriebsetzen, Synchronisieren oder Stabilisieren elektronischer Schwingungs- oder Impulserzeuger , AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES |
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