| 摘要 |
PROBLEM TO BE SOLVED: To provide a current output circuit capable of suppressing increase in circuit scale.SOLUTION: According to one embodiment, a current output circuit 1 includes: a pseudo sine wave separation circuit 11 that separates a pseudo sine wave represented by a digital code Din into two pseudo half-waves represented by digital signals D1 and D2; a DA converter 113 that converts the pseudo half-wave represented by the digital signal D1 into an analog half-wave signal V1; a DA converter 114 that converts the pseudo half-wave represented by the digital signal D2 into an analog half-wave signal V2; a voltage-current conversion circuit 12 that converts voltages of the half-wave signals V1 and V2 into currents and outputs a current Iout obtained by combining the currents.SELECTED DRAWING: Figure 1 |
