Angle detector, motor drive controller, and motor device

An angle detector comprising:

• a second signal level detector to detect a peak level of a first set of sensor processed signals obtained by signal processing of multiple sensor signals and generate and output a detection level signal indicating a detected peak level, each of the multiple sensor signals having a signal level corresponding to a rotational position of a rotor of a motor having multiple coils,
• a signal level adjuster to adjust each signal level of all the first set of the sensor processed signals to match the signal level closest to a peak level with a second adjustment level and output as a second set of sensor processed signals,
• a signal selector to single out a selection signal from the second set of sensor processed signals adjusted by the signal level adjuster, and
• a phase detector to detect that a signal level of the selection signal selected by the signal selector has reached a threshold level corresponding to a phase of the rotor and output a phase information signal indicating a phase corresponding to the threshold level.