| 摘要 |
A D/A converter includes a plurality of current sources configured to be on or off according to input digital data; a constant voltage source configured to apply a constant voltage to the current sources; current supply wirings provided between the constant voltage source and the respective current source, the current supply wirings respectively having equal length from the constant voltage source to the respective current source; ground-side wirings summing up output currents from the plurality of current sources; and output terminals connected to the ground-side wirings, the output terminals outputting analogue data corresponding to the input digital data.
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