availability of ipod, 8 pin plug to 1/8" male audio out plug/cable

I have an ipod touch 5th generation with an 8 pin to usb adapter plug. I use the headphone out (1/8" male phono plug to rca plug adapter) to feed audio to my home stereo... I would rather use a "line out" feed from my iphod - a line out feed would eliminate internal ipod amplification and inherent distortion. I can't find an 8 pin male adapter (ipod input) to 1/8" stereo phono plug cable!? Is there such an animal