[diydsp]

yeah pretty much. programmable digital is already niche and it's made of the same types of components repeated: NAND gates.... or similar combined into cells... analog circuits generally have much higher diversity of components.... caps, resistors, and inductors can easily vary 1e3 to 1e6 times in size. component interconnects are more more diverse... e.g. where digital is usually a flow of data from on port to another, analog has many more feedback points.

Another issue is that analog is typically used in media where they can interfere with other systems if misconfigured. e.g. radio systems or other networks. whereas digital can more or less apply to system like math or seraching or database, where errors won't throw everyon eelse of the network.

These aren't unsolvable problems, but they probably mean poor utilization of space on a die. and since like I said, programmmable digital is inefficient enough, analog will be less so. :(

That being said, there are some possibly applications where I'd like to see analog such as motor controllers and SEPIC regulators. Advantages here would be less RF, less CPU power, and less time programming precise timing.