Both have inputs that can measure ±25V, with the NAFE71388 being nominally 'high speed' and the NAFE11388 'low power'.
They both share the same block diagram and connect to the host via a 32 MHz SPI bus. CRC error detection is included and there are ten GPIOs.
Eight single-ended inputs can be configured as four differential pairs, as well as a multiplexer, a programmable gain amplifier, a voltage reference, and a 24-bit ΔΣ ADC. built in
Source: electronicsweekly.com
