| 摘要 |
PROBLEM TO BE SOLVED: To provide an image reading device and the like capable of reducing deterioration in image quality.SOLUTION: An image reading device comprises: a first circuit block 510 that includes a first light receiving element PD1, a second light receiving element PD2, a first current circuit, a second current circuit, a first holding part C1, and a second holding part C2; and a second circuit block 520 that includes a third light receiving element PD3, a fourth light receiving element PD4, a third current circuit, a fourth current circuit, a third holding part C3, and a fourth holding part C4. The first current circuit and the second current circuit are connected with first ground wiring W1 and first gate wiring Wg1. The third current circuit and the fourth current circuit are connected with second ground wiring W2 and second gate wiring Wg2. The image reading device comprises: third ground wiring W3 connected with a first connection point Wx1 between the first current circuit and the second current circuit, and with a ground terminal GND; and fourth ground wiring W4 connected with a second connection point Wx2 between the third current circuit and the fourth current circuit, and with the ground terminal GND.SELECTED DRAWING: Figure 6 |
