Called MCP1502, it works over -40 to +125°C and is qualified to AEC-Q100 Grade 1. The company is keen to mention the parts lineage: “MCP1502 is based on the already-proven MCP1501 Vref architecture, which has been in the market for more than five years.”
It is available in eight variants: 1.024, 1.25, 1.8, 2.048, 2.5, 3, 3.3 and 4.096V, and they are internally buffered, capable of sinking and sourcing 20mA.
Inside, there is a low-drift band-gap-based reference, with chopper-based amplifiers to minimise drift.
All run from up to 5.5V. Minimum voltage depends on the variant selected and tends to be 200-300mV above the nominal output voltage – with a minimum of 1.65V. Typical minimum consumption is 140µA.
Parts have an initial accuracy of 0.1% with 50ppm/Vmax line regulation and 40ppm/Vmax load regulation. Output noise is 30µVrms (0.1Hz – 10kHz, 1.024V).
Applications are foreseen in electric vehicle battery management systems and with high-resolution data converter, but also outside automotive in data acquisition systems, medical equipment (including portable) and industrial controls.
The MCP1502 product page is here