Apogee Labs offers a variety of products designed for harsh environments and suitable for airborne and high-G applications.

AL8000 AL8000 Miniature Tactical PCM Encoder
Low Power CPLD Based PCM Encoder (5V at 24mA), optional bit rates up to (learn more…)

AL8100 AL8100
Low Power FPGA Based PCM Encoder (5v at <35mA), optional bit rates up (learn more…)