This paper presents a temperature-insensitive magnetic sensor system for contactless current measurements. To simultaneously achieve wide bandwidth and low noise, the proposed system employs a multi-path structure with a set of spinning current Hall sensors in its low frequency (LF) path and a set of pickup coils in its high frequency (HF) path. The Hall sensors and pickup coils are used in a differential sensing arrangement that naturally rejects common-mode magnetic field interference, e.g. due to the earth's magnetic field. A common-mode AC reference field can then be used to continuously stabilize the sensitivity of the Hall sensors, which, unlike that of the pickup coils, is quite temperature dependent. In this design, the ripple reduction loops in the Hall sensor readout are implemented in a discrete-time manner, and so occupy 20% less area than a previous continuous-time implementation. Over a-45˚C to 105˚C temperature range, the proposed system reduces Hall sensor drift from 22% to 1%, which corresponds to a temperature coefficient of 76 ppm/˚C. I.