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AssigneeSanyo Electric Co., Ltd.
InventorsKuniyuki Tani, Atsushi Wada, Shigeto Kobayashi
Estimating the term…
An AD converter includes therein a plurality of amplifier circuits such as first to fourth amplifier circuits. Among the plurality of amplifier circuits an amplifier circuit that requires higher accuracy is placed nearer to a power source. An amplifier circuit that receives the first input of an input analog signal is placed nearest to the power source. That is, the first amplifier circuit in the embodiment is disposed closest to the power source. The amplifier circuit that receives the first input of an input analog signal is disposed closest to the power source compared to the other amplifier circuits. The first amplifier circuit, the second amplifier circuit, the third amplifier circuit and the fourth amplifier circuit in the embodiment are placed in this order of how close to the power source.
An analog-to-digital converter, which converts an analog signal to a digital signal of a plurality of bits in such a manner that an input analog signal is circulated a plurality of times, the analog-to-digital converter characterized in that it has a plurality of amplifier circuits wherein an amplifier circuit that requires higher accuracy among the plurality of amplifier circuits is placed nearer to a power source.
An analog-to-digital converter, which converts an analog signal to a digital signal of a plurality of bits in such a manner that an input analog signal is circulated a plurality of times, the analog-to-digital converter characterized in that it has a plurality of amplifier circuits wherein an amplifier circuit that requires higher accuracy among the plurality of amplifier circuits is placed in a position away from a circuit of a noise source.
Dependencies are inferred from the claim text.